diff --git a/.gitignore b/.gitignore index 97ba6b79834c..0cf6d31dbbad 100644 --- a/.gitignore +++ b/.gitignore @@ -114,7 +114,6 @@ GTAGS # id-utils files ID -*.orig *~ \#*# diff --git a/Documentation/IPMI.txt b/Documentation/IPMI.txt index 5ef1047e2e66..f3c6530d9f35 100644 --- a/Documentation/IPMI.txt +++ b/Documentation/IPMI.txt @@ -518,7 +518,7 @@ at module load time (for a module) with:: [dbg_probe=1] The addresses are normal I2C addresses. The adapter is the string -name of the adapter, as shown in /sys/class/i2c-adapter/i2c-<n>/name. +name of the adapter, as shown in /sys/bus/i2c/devices/i2c-<n>/name. It is *NOT* i2c-<n> itself. Also, the comparison is done ignoring spaces, so if the name is "This is an I2C chip" you can say adapter_name=ThisisanI2cchip. This is because it's hard to pass in diff --git a/Documentation/arm64/silicon-errata.txt b/Documentation/arm64/silicon-errata.txt index eab3b0cf0dbe..a67ba12ffa03 100644 --- a/Documentation/arm64/silicon-errata.txt +++ b/Documentation/arm64/silicon-errata.txt @@ -66,6 +66,7 @@ stable kernels. | ARM | Cortex-A78 | #3324344 | ARM64_ERRATUM_3194386 | | ARM | Cortex-A78C | #3324346,3324347| ARM64_ERRATUM_3194386 | | ARM | Cortex-A710 | #3324338 | ARM64_ERRATUM_3194386 | +| ARM | Cortex-A715 | #3456084 | ARM64_ERRATUM_3194386 | | ARM | Cortex-A720 | #3456091 | ARM64_ERRATUM_3194386 | | ARM | Cortex-A725 | #3456106 | ARM64_ERRATUM_3194386 | | ARM | Cortex-X1 | #3324344 | ARM64_ERRATUM_3194386 | @@ -77,6 +78,7 @@ stable kernels. | ARM | Neoverse-N1 | #1542419 | ARM64_ERRATUM_1542419 | | ARM | Neoverse-N1 | #3324349 | ARM64_ERRATUM_3194386 | | ARM | Neoverse-N2 | #3324339 | ARM64_ERRATUM_3194386 | +| ARM | Neoverse-N3 | #3456111 | ARM64_ERRATUM_3194386 | | ARM | Neoverse-V1 | #3324341 | ARM64_ERRATUM_3194386 | | ARM | Neoverse-V2 | #3324336 | ARM64_ERRATUM_3194386 | | ARM | Neoverse-V3 | #3312417 | ARM64_ERRATUM_3194386 | diff --git a/Documentation/driver-model/devres.txt b/Documentation/driver-model/devres.txt index 43681ca0837f..5a2d8c7ce247 100644 --- a/Documentation/driver-model/devres.txt +++ b/Documentation/driver-model/devres.txt @@ -235,6 +235,7 @@ certainly invest a bit more effort into libata core layer). CLOCK devm_clk_get() + devm_clk_get_optional() devm_clk_put() devm_clk_hw_register() devm_of_clk_add_hw_provider() diff --git a/Makefile b/Makefile index 64cc724be113..0f4d0d011787 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 19 -SUBLEVEL = 322 +SUBLEVEL = 323 EXTRAVERSION = NAME = "People's Front" diff --git a/arch/arm/mach-realview/platsmp-dt.c b/arch/arm/mach-realview/platsmp-dt.c index c242423bf8db..66d6b11eda7b 100644 --- a/arch/arm/mach-realview/platsmp-dt.c +++ b/arch/arm/mach-realview/platsmp-dt.c @@ -70,6 +70,7 @@ static void __init realview_smp_prepare_cpus(unsigned int max_cpus) return; } map = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(map)) { pr_err("PLATSMP: No syscon regmap\n"); return; diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 15c7a2b6e491..5fa1b1d3172e 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -543,6 +543,7 @@ config ARM64_ERRATUM_3194386 * ARM Cortex-A78C erratum 3324346 * ARM Cortex-A78C erratum 3324347 * ARM Cortex-A710 erratam 3324338 + * ARM Cortex-A715 errartum 3456084 * ARM Cortex-A720 erratum 3456091 * ARM Cortex-A725 erratum 3456106 * ARM Cortex-X1 erratum 3324344 @@ -553,6 +554,7 @@ config ARM64_ERRATUM_3194386 * ARM Cortex-X925 erratum 3324334 * ARM Neoverse-N1 erratum 3324349 * ARM Neoverse N2 erratum 3324339 + * ARM Neoverse-N3 erratum 3456111 * ARM Neoverse-V1 erratum 3324341 * ARM Neoverse V2 erratum 3324336 * ARM Neoverse-V3 erratum 3312417 diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi index a0470f014e56..c65a14fbb3e5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi @@ -147,6 +147,22 @@ status = "okay"; }; +&gpio3 { + /* + * The Qseven BIOS_DISABLE signal on the RK3399-Q7 keeps the on-module + * eMMC and SPI flash powered-down initially (in fact it keeps the + * reset signal asserted). BIOS_DISABLE_OVERRIDE pin allows to override + * that signal so that eMMC and SPI can be used regardless of the state + * of the signal. + */ + bios-disable-override-hog { + gpios = <RK_PD5 GPIO_ACTIVE_LOW>; + gpio-hog; + line-name = "bios_disable_override"; + output-high; + }; +}; + &gmac { assigned-clocks = <&cru SCLK_RMII_SRC>; assigned-clock-parents = <&clkin_gmac>; @@ -433,9 +449,14 @@ &pinctrl { pinctrl-names = "default"; - pinctrl-0 = <&q7_thermal_pin>; + pinctrl-0 = <&q7_thermal_pin &bios_disable_override_hog_pin>; gpios { + bios_disable_override_hog_pin: bios-disable-override-hog-pin { + rockchip,pins = + <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_down>; + }; + q7_thermal_pin: q7-thermal-pin { rockchip,pins = <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>; diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index f8be4d7ecde2..b8593cebb4ff 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -86,6 +86,7 @@ #define ARM_CPU_PART_CORTEX_A78 0xD41 #define ARM_CPU_PART_CORTEX_X1 0xD44 #define ARM_CPU_PART_CORTEX_A710 0xD47 +#define ARM_CPU_PART_CORTEX_A715 0xD4D #define ARM_CPU_PART_CORTEX_X2 0xD48 #define ARM_CPU_PART_NEOVERSE_N2 0xD49 #define ARM_CPU_PART_CORTEX_A78C 0xD4B @@ -97,6 +98,7 @@ #define ARM_CPU_PART_NEOVERSE_V3 0xD84 #define ARM_CPU_PART_CORTEX_X925 0xD85 #define ARM_CPU_PART_CORTEX_A725 0xD87 +#define ARM_CPU_PART_NEOVERSE_N3 0xD8E #define APM_CPU_PART_POTENZA 0x000 @@ -130,6 +132,7 @@ #define MIDR_CORTEX_A78 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78) #define MIDR_CORTEX_X1 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X1) #define MIDR_CORTEX_A710 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A710) +#define MIDR_CORTEX_A715 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A715) #define MIDR_CORTEX_X2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X2) #define MIDR_NEOVERSE_N2 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N2) #define MIDR_CORTEX_A78C MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A78C) @@ -141,6 +144,7 @@ #define MIDR_NEOVERSE_V3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_V3) #define MIDR_CORTEX_X925 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_X925) #define MIDR_CORTEX_A725 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A725) +#define MIDR_NEOVERSE_N3 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_NEOVERSE_N3) #define MIDR_THUNDERX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX) #define MIDR_THUNDERX_81XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_81XX) #define MIDR_THUNDERX_83XX MIDR_CPU_MODEL(ARM_CPU_IMP_CAVIUM, CAVIUM_CPU_PART_THUNDERX_83XX) diff --git a/arch/arm64/include/asm/uprobes.h b/arch/arm64/include/asm/uprobes.h index 8d004073d0e8..f57c96ac042f 100644 --- a/arch/arm64/include/asm/uprobes.h +++ b/arch/arm64/include/asm/uprobes.h @@ -13,21 +13,19 @@ #include <asm/insn.h> #include <asm/probes.h> -#define MAX_UINSN_BYTES AARCH64_INSN_SIZE - -#define UPROBE_SWBP_INSN BRK64_OPCODE_UPROBES +#define UPROBE_SWBP_INSN cpu_to_le32(BRK64_OPCODE_UPROBES) #define UPROBE_SWBP_INSN_SIZE AARCH64_INSN_SIZE -#define UPROBE_XOL_SLOT_BYTES MAX_UINSN_BYTES +#define UPROBE_XOL_SLOT_BYTES AARCH64_INSN_SIZE -typedef u32 uprobe_opcode_t; +typedef __le32 uprobe_opcode_t; struct arch_uprobe_task { }; struct arch_uprobe { union { - u8 insn[MAX_UINSN_BYTES]; - u8 ixol[MAX_UINSN_BYTES]; + __le32 insn; + __le32 ixol; }; struct arch_probe_insn api; bool simulate; diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c index e87f8d60075d..a92530a8d7fc 100644 --- a/arch/arm64/kernel/cpu_errata.c +++ b/arch/arm64/kernel/cpu_errata.c @@ -714,6 +714,7 @@ static const struct midr_range erratum_spec_ssbs_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_A78), MIDR_ALL_VERSIONS(MIDR_CORTEX_A78C), MIDR_ALL_VERSIONS(MIDR_CORTEX_A710), + MIDR_ALL_VERSIONS(MIDR_CORTEX_A715), MIDR_ALL_VERSIONS(MIDR_CORTEX_A720), MIDR_ALL_VERSIONS(MIDR_CORTEX_A725), MIDR_ALL_VERSIONS(MIDR_CORTEX_X1), @@ -724,6 +725,7 @@ static const struct midr_range erratum_spec_ssbs_list[] = { MIDR_ALL_VERSIONS(MIDR_CORTEX_X925), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2), + MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N3), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V2), MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V3), diff --git a/arch/arm64/kernel/probes/decode-insn.c b/arch/arm64/kernel/probes/decode-insn.c index 6bf6657a5a52..3d0684b72839 100644 --- a/arch/arm64/kernel/probes/decode-insn.c +++ b/arch/arm64/kernel/probes/decode-insn.c @@ -104,10 +104,6 @@ arm_probe_decode_insn(probe_opcode_t insn, struct arch_probe_insn *api) aarch64_insn_is_blr(insn) || aarch64_insn_is_ret(insn)) { api->handler = simulate_br_blr_ret; - } else if (aarch64_insn_is_ldr_lit(insn)) { - api->handler = simulate_ldr_literal; - } else if (aarch64_insn_is_ldrsw_lit(insn)) { - api->handler = simulate_ldrsw_literal; } else { /* * Instruction cannot be stepped out-of-line and we don't @@ -145,6 +141,17 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi) probe_opcode_t insn = le32_to_cpu(*addr); probe_opcode_t *scan_end = NULL; unsigned long size = 0, offset = 0; + struct arch_probe_insn *api = &asi->api; + + if (aarch64_insn_is_ldr_lit(insn)) { + api->handler = simulate_ldr_literal; + decoded = INSN_GOOD_NO_SLOT; + } else if (aarch64_insn_is_ldrsw_lit(insn)) { + api->handler = simulate_ldrsw_literal; + decoded = INSN_GOOD_NO_SLOT; + } else { + decoded = arm_probe_decode_insn(insn, &asi->api); + } /* * If there's a symbol defined in front of and near enough to @@ -162,7 +169,6 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi) else scan_end = addr - MAX_ATOMIC_CONTEXT_SIZE; } - decoded = arm_probe_decode_insn(insn, &asi->api); if (decoded != INSN_REJECTED && scan_end) if (is_probed_address_atomic(addr - 1, scan_end)) diff --git a/arch/arm64/kernel/probes/simulate-insn.c b/arch/arm64/kernel/probes/simulate-insn.c index be05868418ee..a98699948cb2 100644 --- a/arch/arm64/kernel/probes/simulate-insn.c +++ b/arch/arm64/kernel/probes/simulate-insn.c @@ -178,17 +178,15 @@ simulate_tbz_tbnz(u32 opcode, long addr, struct pt_regs *regs) void __kprobes simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs) { - u64 *load_addr; + unsigned long load_addr; int xn = opcode & 0x1f; - int disp; - disp = ldr_displacement(opcode); - load_addr = (u64 *) (addr + disp); + load_addr = addr + ldr_displacement(opcode); if (opcode & (1 << 30)) /* x0-x30 */ - set_x_reg(regs, xn, *load_addr); + set_x_reg(regs, xn, READ_ONCE(*(u64 *)load_addr)); else /* w0-w30 */ - set_w_reg(regs, xn, *load_addr); + set_w_reg(regs, xn, READ_ONCE(*(u32 *)load_addr)); instruction_pointer_set(regs, instruction_pointer(regs) + 4); } @@ -196,14 +194,12 @@ simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs) void __kprobes simulate_ldrsw_literal(u32 opcode, long addr, struct pt_regs *regs) { - s32 *load_addr; + unsigned long load_addr; int xn = opcode & 0x1f; - int disp; - disp = ldr_displacement(opcode); - load_addr = (s32 *) (addr + disp); + load_addr = addr + ldr_displacement(opcode); - set_x_reg(regs, xn, *load_addr); + set_x_reg(regs, xn, READ_ONCE(*(s32 *)load_addr)); instruction_pointer_set(regs, instruction_pointer(regs) + 4); } diff --git a/arch/arm64/kernel/probes/uprobes.c b/arch/arm64/kernel/probes/uprobes.c index 6aeb11aa7e28..851689216007 100644 --- a/arch/arm64/kernel/probes/uprobes.c +++ b/arch/arm64/kernel/probes/uprobes.c @@ -45,7 +45,7 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe, struct mm_struct *mm, else if (!IS_ALIGNED(addr, AARCH64_INSN_SIZE)) return -EINVAL; - insn = *(probe_opcode_t *)(&auprobe->insn[0]); + insn = le32_to_cpu(auprobe->insn); switch (arm_probe_decode_insn(insn, &auprobe->api)) { case INSN_REJECTED: @@ -111,7 +111,7 @@ bool arch_uprobe_skip_sstep(struct arch_uprobe *auprobe, struct pt_regs *regs) if (!auprobe->simulate) return false; - insn = *(probe_opcode_t *)(&auprobe->insn[0]); + insn = le32_to_cpu(auprobe->insn); addr = instruction_pointer(regs); if (auprobe->api.handler) diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c index df6de7ccdc2e..ecad6d8b9154 100644 --- a/arch/microblaze/mm/init.c +++ b/arch/microblaze/mm/init.c @@ -289,11 +289,6 @@ asmlinkage void __init mmu_init(void) { unsigned int kstart, ksize; - if (!memblock.reserved.cnt) { - pr_emerg("Error memory count\n"); - machine_restart(NULL); - } - if ((u32) memblock.memory.regions[0].size < 0x400000) { pr_emerg("Memory must be greater than 4MB\n"); machine_restart(NULL); diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index a0c251c4f302..7125743459fa 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -1089,8 +1089,7 @@ ENTRY_CFI(intr_save) /* for os_hpmc */ STREG %r16, PT_ISR(%r29) STREG %r17, PT_IOR(%r29) -#if 0 && defined(CONFIG_64BIT) - /* Revisit when we have 64-bit code above 4Gb */ +#if defined(CONFIG_64BIT) b,n intr_save2 skip_save_ior: @@ -1098,8 +1097,7 @@ skip_save_ior: * need to adjust iasq/iaoq here in the same way we adjusted isr/ior * above. */ - extrd,u,* %r8,PSW_W_BIT,1,%r1 - cmpib,COND(=),n 1,%r1,intr_save2 + bb,COND(>=),n %r8,PSW_W_BIT,intr_save2 LDREG PT_IASQ0(%r29), %r16 LDREG PT_IAOQ0(%r29), %r17 /* adjust iasq/iaoq */ diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index 1ae007ec65c5..1ec58848bb3e 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -217,10 +217,10 @@ linux_gateway_entry: #ifdef CONFIG_64BIT ldil L%sys_call_table, %r1 - or,= %r2,%r2,%r2 - addil L%(sys_call_table64-sys_call_table), %r1 + or,ev %r2,%r2,%r2 + ldil L%sys_call_table64, %r1 ldo R%sys_call_table(%r1), %r19 - or,= %r2,%r2,%r2 + or,ev %r2,%r2,%r2 ldo R%sys_call_table64(%r1), %r19 #else load32 sys_call_table, %r19 @@ -355,10 +355,10 @@ tracesys_next: extrd,u %r19,63,1,%r2 /* W hidden in bottom bit */ ldil L%sys_call_table, %r1 - or,= %r2,%r2,%r2 - addil L%(sys_call_table64-sys_call_table), %r1 + or,ev %r2,%r2,%r2 + ldil L%sys_call_table64, %r1 ldo R%sys_call_table(%r1), %r19 - or,= %r2,%r2,%r2 + or,ev %r2,%r2,%r2 ldo R%sys_call_table64(%r1), %r19 #else load32 sys_call_table, %r19 @@ -930,6 +930,8 @@ ENTRY(sys_call_table) END(sys_call_table) #ifdef CONFIG_64BIT +#undef __SYSCALL_WITH_COMPAT +#define __SYSCALL_WITH_COMPAT(nr, native, compat) __SYSCALL(nr, native) .align 8 ENTRY(sys_call_table64) #define SYSCALL_TABLE_64BIT diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index a344980287a5..a2dc7918c52a 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -84,6 +84,11 @@ config GENERIC_CSUM config GENERIC_HWEIGHT def_bool y +config ILLEGAL_POINTER_VALUE + hex + default 0 if 32BIT + default 0xdead000000000000 if 64BIT + config PGTABLE_LEVELS int default 3 if 64BIT diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h index 7ffbc5d7ccf3..79730031e17f 100644 --- a/arch/s390/include/asm/facility.h +++ b/arch/s390/include/asm/facility.h @@ -53,8 +53,10 @@ static inline int test_facility(unsigned long nr) unsigned long facilities_als[] = { FACILITIES_ALS }; if (__builtin_constant_p(nr) && nr < sizeof(facilities_als) * 8) { - if (__test_facility(nr, &facilities_als)) - return 1; + if (__test_facility(nr, &facilities_als)) { + if (!__is_defined(__DECOMPRESSOR)) + return 1; + } } return __test_facility(nr, &S390_lowcore.stfle_fac_list); } diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c index c8e1e325215b..c7f94b5d9396 100644 --- a/arch/s390/kernel/perf_cpum_sf.c +++ b/arch/s390/kernel/perf_cpum_sf.c @@ -1360,7 +1360,7 @@ static int aux_output_begin(struct perf_output_handle *handle, unsigned long head, base, offset; struct hws_trailer_entry *te; - if (WARN_ON_ONCE(handle->head & ~PAGE_MASK)) + if (handle->head & ~PAGE_MASK) return -EINVAL; aux->head = handle->head >> PAGE_SHIFT; @@ -1528,7 +1528,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw) unsigned long num_sdb; aux = perf_get_aux(handle); - if (WARN_ON_ONCE(!aux)) + if (!aux) return; /* Inform user space new data arrived */ @@ -1547,7 +1547,7 @@ static void hw_collect_aux(struct cpu_hw_sf *cpuhw) debug_sprintf_event(sfdbg, 1, "AUX buffer used up\n"); break; } - if (WARN_ON_ONCE(!aux)) + if (!aux) return; /* Update head and alert_mark to new position */ @@ -1746,12 +1746,8 @@ static void cpumsf_pmu_start(struct perf_event *event, int flags) { struct cpu_hw_sf *cpuhw = this_cpu_ptr(&cpu_hw_sf); - if (WARN_ON_ONCE(!(event->hw.state & PERF_HES_STOPPED))) + if (!(event->hw.state & PERF_HES_STOPPED)) return; - - if (flags & PERF_EF_RELOAD) - WARN_ON_ONCE(!(event->hw.state & PERF_HES_UPTODATE)); - perf_pmu_disable(event->pmu); event->hw.state = 0; cpuhw->lsctl.cs = 1; diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c index 45634b3d2e0a..584c5da9b3fe 100644 --- a/arch/s390/kvm/diag.c +++ b/arch/s390/kvm/diag.c @@ -78,7 +78,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu) vcpu->stat.diagnose_258++; if (vcpu->run->s.regs.gprs[rx] & 7) return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION); - rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm)); + rc = read_guest_real(vcpu, vcpu->run->s.regs.gprs[rx], &parm, sizeof(parm)); if (rc) return kvm_s390_inject_prog_cond(vcpu, rc); if (parm.parm_version != 2 || parm.parm_len < 5 || parm.code != 0x258) diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index 07d30ffcfa41..11ddac5e3e92 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -794,46 +794,102 @@ static int low_address_protection_enabled(struct kvm_vcpu *vcpu, return 1; } -static int guest_page_range(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, - unsigned long *pages, unsigned long nr_pages, - const union asce asce, enum gacc_mode mode) +/** + * guest_range_to_gpas() - Calculate guest physical addresses of page fragments + * covering a logical range + * @vcpu: virtual cpu + * @ga: guest address, start of range + * @ar: access register + * @gpas: output argument, may be NULL + * @len: length of range in bytes + * @asce: address-space-control element to use for translation + * @mode: access mode + * + * Translate a logical range to a series of guest absolute addresses, + * such that the concatenation of page fragments starting at each gpa make up + * the whole range. + * The translation is performed as if done by the cpu for the given @asce, @ar, + * @mode and state of the @vcpu. + * If the translation causes an exception, its program interruption code is + * returned and the &struct kvm_s390_pgm_info pgm member of @vcpu is modified + * such that a subsequent call to kvm_s390_inject_prog_vcpu() will inject + * a correct exception into the guest. + * The resulting gpas are stored into @gpas, unless it is NULL. + * + * Note: All fragments except the first one start at the beginning of a page. + * When deriving the boundaries of a fragment from a gpa, all but the last + * fragment end at the end of the page. + * + * Return: + * * 0 - success + * * <0 - translation could not be performed, for example if guest + * memory could not be accessed + * * >0 - an access exception occurred. In this case the returned value + * is the program interruption code and the contents of pgm may + * be used to inject an exception into the guest. + */ +static int guest_range_to_gpas(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, + unsigned long *gpas, unsigned long len, + const union asce asce, enum gacc_mode mode) { psw_t *psw = &vcpu->arch.sie_block->gpsw; + unsigned int offset = offset_in_page(ga); + unsigned int fragment_len; int lap_enabled, rc = 0; enum prot_type prot; + unsigned long gpa; lap_enabled = low_address_protection_enabled(vcpu, asce); - while (nr_pages) { + while (min(PAGE_SIZE - offset, len) > 0) { + fragment_len = min(PAGE_SIZE - offset, len); ga = kvm_s390_logical_to_effective(vcpu, ga); if (mode == GACC_STORE && lap_enabled && is_low_address(ga)) return trans_exc(vcpu, PGM_PROTECTION, ga, ar, mode, PROT_TYPE_LA); - ga &= PAGE_MASK; if (psw_bits(*psw).dat) { - rc = guest_translate(vcpu, ga, pages, asce, mode, &prot); + rc = guest_translate(vcpu, ga, &gpa, asce, mode, &prot); if (rc < 0) return rc; } else { - *pages = kvm_s390_real_to_abs(vcpu, ga); - if (kvm_is_error_gpa(vcpu->kvm, *pages)) + gpa = kvm_s390_real_to_abs(vcpu, ga); + if (kvm_is_error_gpa(vcpu->kvm, gpa)) rc = PGM_ADDRESSING; } if (rc) return trans_exc(vcpu, rc, ga, ar, mode, prot); - ga += PAGE_SIZE; - pages++; - nr_pages--; + if (gpas) + *gpas++ = gpa; + offset = 0; + ga += fragment_len; + len -= fragment_len; } return 0; } +static int access_guest_page(struct kvm *kvm, enum gacc_mode mode, gpa_t gpa, + void *data, unsigned int len) +{ + const unsigned int offset = offset_in_page(gpa); + const gfn_t gfn = gpa_to_gfn(gpa); + int rc; + + if (!gfn_to_memslot(kvm, gfn)) + return PGM_ADDRESSING; + if (mode == GACC_STORE) + rc = kvm_write_guest_page(kvm, gfn, data, offset, len); + else + rc = kvm_read_guest_page(kvm, gfn, data, offset, len); + return rc; +} + int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, unsigned long len, enum gacc_mode mode) { psw_t *psw = &vcpu->arch.sie_block->gpsw; - unsigned long _len, nr_pages, gpa, idx; - unsigned long pages_array[2]; - unsigned long *pages; + unsigned long nr_pages, idx; + unsigned long gpa_array[2]; + unsigned int fragment_len; + unsigned long *gpas; int need_ipte_lock; union asce asce; int rc; @@ -845,50 +901,45 @@ int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data, if (rc) return rc; nr_pages = (((ga & ~PAGE_MASK) + len - 1) >> PAGE_SHIFT) + 1; - pages = pages_array; - if (nr_pages > ARRAY_SIZE(pages_array)) - pages = vmalloc(array_size(nr_pages, sizeof(unsigned long))); - if (!pages) + gpas = gpa_array; + if (nr_pages > ARRAY_SIZE(gpa_array)) + gpas = vmalloc(array_size(nr_pages, sizeof(unsigned long))); + if (!gpas) return -ENOMEM; need_ipte_lock = psw_bits(*psw).dat && !asce.r; if (need_ipte_lock) ipte_lock(vcpu); - rc = guest_page_range(vcpu, ga, ar, pages, nr_pages, asce, mode); + rc = guest_range_to_gpas(vcpu, ga, ar, gpas, len, asce, mode); for (idx = 0; idx < nr_pages && !rc; idx++) { - gpa = *(pages + idx) + (ga & ~PAGE_MASK); - _len = min(PAGE_SIZE - (gpa & ~PAGE_MASK), len); - if (mode == GACC_STORE) - rc = kvm_write_guest(vcpu->kvm, gpa, data, _len); - else - rc = kvm_read_guest(vcpu->kvm, gpa, data, _len); - len -= _len; - ga += _len; - data += _len; + fragment_len = min(PAGE_SIZE - offset_in_page(gpas[idx]), len); + rc = access_guest_page(vcpu->kvm, mode, gpas[idx], data, fragment_len); + len -= fragment_len; + data += fragment_len; } if (need_ipte_lock) ipte_unlock(vcpu); - if (nr_pages > ARRAY_SIZE(pages_array)) - vfree(pages); + if (nr_pages > ARRAY_SIZE(gpa_array)) + vfree(gpas); return rc; } int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, void *data, unsigned long len, enum gacc_mode mode) { - unsigned long _len, gpa; + unsigned int fragment_len; + unsigned long gpa; int rc = 0; while (len && !rc) { gpa = kvm_s390_real_to_abs(vcpu, gra); - _len = min(PAGE_SIZE - (gpa & ~PAGE_MASK), len); - if (mode) - rc = write_guest_abs(vcpu, gpa, data, _len); - else - rc = read_guest_abs(vcpu, gpa, data, _len); - len -= _len; - gra += _len; - data += _len; + fragment_len = min(PAGE_SIZE - offset_in_page(gpa), len); + rc = access_guest_page(vcpu->kvm, mode, gpa, data, fragment_len); + len -= fragment_len; + gra += fragment_len; + data += fragment_len; } + if (rc > 0) + vcpu->arch.pgm.code = rc; return rc; } @@ -904,8 +955,6 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, unsigned long *gpa, enum gacc_mode mode) { - psw_t *psw = &vcpu->arch.sie_block->gpsw; - enum prot_type prot; union asce asce; int rc; @@ -913,23 +962,7 @@ int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode); if (rc) return rc; - if (is_low_address(gva) && low_address_protection_enabled(vcpu, asce)) { - if (mode == GACC_STORE) - return trans_exc(vcpu, PGM_PROTECTION, gva, 0, - mode, PROT_TYPE_LA); - } - - if (psw_bits(*psw).dat && !asce.r) { /* Use DAT? */ - rc = guest_translate(vcpu, gva, gpa, asce, mode, &prot); - if (rc > 0) - return trans_exc(vcpu, rc, gva, 0, mode, prot); - } else { - *gpa = kvm_s390_real_to_abs(vcpu, gva); - if (kvm_is_error_gpa(vcpu->kvm, *gpa)) - return trans_exc(vcpu, rc, gva, PGM_ADDRESSING, mode, 0); - } - - return rc; + return guest_range_to_gpas(vcpu, gva, ar, gpa, 1, asce, mode); } /** @@ -938,17 +971,14 @@ int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, int check_gva_range(struct kvm_vcpu *vcpu, unsigned long gva, u8 ar, unsigned long length, enum gacc_mode mode) { - unsigned long gpa; - unsigned long currlen; + union asce asce; int rc = 0; + rc = get_vcpu_asce(vcpu, &asce, gva, ar, mode); + if (rc) + return rc; ipte_lock(vcpu); - while (length > 0 && !rc) { - currlen = min(length, PAGE_SIZE - (gva % PAGE_SIZE)); - rc = guest_translate_address(vcpu, gva, ar, &gpa, mode); - gva += currlen; - length -= currlen; - } + rc = guest_range_to_gpas(vcpu, gva, ar, NULL, length, asce, mode); ipte_unlock(vcpu); return rc; diff --git a/arch/s390/kvm/gaccess.h b/arch/s390/kvm/gaccess.h index 4c56de542960..6c97cde8623a 100644 --- a/arch/s390/kvm/gaccess.h +++ b/arch/s390/kvm/gaccess.h @@ -344,11 +344,12 @@ int read_guest_abs(struct kvm_vcpu *vcpu, unsigned long gpa, void *data, * @len: number of bytes to copy * * Copy @len bytes from @data (kernel space) to @gra (guest real address). - * It is up to the caller to ensure that the entire guest memory range is - * valid memory before calling this function. * Guest low address and key protection are not checked. * - * Returns zero on success or -EFAULT on error. + * Returns zero on success, -EFAULT when copying from @data failed, or + * PGM_ADRESSING in case @gra is outside a memslot. In this case, pgm check info + * is also stored to allow injecting into the guest (if applicable) using + * kvm_s390_inject_prog_cond(). * * If an error occurs data may have been copied partially to guest memory. */ @@ -367,11 +368,12 @@ int write_guest_real(struct kvm_vcpu *vcpu, unsigned long gra, void *data, * @len: number of bytes to copy * * Copy @len bytes from @gra (guest real address) to @data (kernel space). - * It is up to the caller to ensure that the entire guest memory range is - * valid memory before calling this function. * Guest key protection is not checked. * - * Returns zero on success or -EFAULT on error. + * Returns zero on success, -EFAULT when copying to @data failed, or + * PGM_ADRESSING in case @gra is outside a memslot. In this case, pgm check info + * is also stored to allow injecting into the guest (if applicable) using + * kvm_s390_inject_prog_cond(). * * If an error occurs data may have been copied partially to kernel space. */ diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c index a51c892f14f3..756aefbd0524 100644 --- a/arch/s390/mm/cmm.c +++ b/arch/s390/mm/cmm.c @@ -98,11 +98,12 @@ static long cmm_alloc_pages(long nr, long *counter, (*counter)++; spin_unlock(&cmm_lock); nr--; + cond_resched(); } return nr; } -static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) +static long __cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) { struct cmm_page_array *pa; unsigned long addr; @@ -126,6 +127,21 @@ static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) return nr; } +static long cmm_free_pages(long nr, long *counter, struct cmm_page_array **list) +{ + long inc = 0; + + while (nr) { + inc = min(256L, nr); + nr -= inc; + inc = __cmm_free_pages(inc, counter, list); + if (inc) + break; + cond_resched(); + } + return nr + inc; +} + static int cmm_oom_notify(struct notifier_block *self, unsigned long dummy, void *parm) { diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index 464b2b5d87bd..551db384bcb3 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -216,7 +216,7 @@ #define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE ( 7*32+23) /* "" Disable Speculative Store Bypass. */ #define X86_FEATURE_LS_CFG_SSBD ( 7*32+24) /* "" AMD SSBD implementation via LS_CFG MSR */ #define X86_FEATURE_IBRS ( 7*32+25) /* Indirect Branch Restricted Speculation */ -#define X86_FEATURE_IBPB ( 7*32+26) /* Indirect Branch Prediction Barrier */ +#define X86_FEATURE_IBPB ( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier without a guaranteed RSB flush */ #define X86_FEATURE_STIBP ( 7*32+27) /* Single Thread Indirect Branch Predictors */ #define X86_FEATURE_ZEN ( 7*32+28) /* "" CPU is AMD family 0x17 (Zen) */ #define X86_FEATURE_L1TF_PTEINV ( 7*32+29) /* "" L1TF workaround PTE inversion */ @@ -306,6 +306,7 @@ #define X86_FEATURE_VIRT_SSBD (13*32+25) /* Virtualized Speculative Store Bypass Disable */ #define X86_FEATURE_AMD_SSB_NO (13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */ #define X86_FEATURE_BTC_NO (13*32+29) /* "" Not vulnerable to Branch Type Confusion */ +#define X86_FEATURE_AMD_IBPB_RET (13*32+30) /* "" IBPB clears return address predictor */ /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */ #define X86_FEATURE_DTHERM (14*32+ 0) /* Digital Thermal Sensor */ diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 9318fe7d850e..e316f5a2aab4 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -484,7 +484,19 @@ static int lapic_timer_shutdown(struct clock_event_device *evt) v = apic_read(APIC_LVTT); v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR); apic_write(APIC_LVTT, v); - apic_write(APIC_TMICT, 0); + + /* + * Setting APIC_LVT_MASKED (above) should be enough to tell + * the hardware that this timer will never fire. But AMD + * erratum 411 and some Intel CPU behavior circa 2024 say + * otherwise. Time for belt and suspenders programming: mask + * the timer _and_ zero the counter registers: + */ + if (v & APIC_LVT_TIMER_TSCDEADLINE) + wrmsrl(MSR_IA32_TSC_DEADLINE, 0); + else + apic_write(APIC_TMICT, 0); + return 0; } diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c index f8b0fa2dbe37..b43f25b3c99d 100644 --- a/arch/x86/kernel/cpu/mshyperv.c +++ b/arch/x86/kernel/cpu/mshyperv.c @@ -243,6 +243,7 @@ static void __init ms_hyperv_init_platform(void) ms_hyperv.misc_features & HV_FEATURE_FREQUENCY_MSRS_AVAILABLE) { x86_platform.calibrate_tsc = hv_get_tsc_khz; x86_platform.calibrate_cpu = hv_get_tsc_khz; + setup_force_cpu_cap(X86_FEATURE_TSC_KNOWN_FREQ); } if (ms_hyperv.hints & HV_X64_ENLIGHTENED_VMCS_RECOMMENDED) { diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 075ed47993bb..69fd1134b7fc 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -862,7 +862,7 @@ char * __init xen_memory_setup(void) * to relocating (and even reusing) pages with kernel text or data. */ if (xen_is_e820_reserved(__pa_symbol(_text), - __pa_symbol(__bss_stop) - __pa_symbol(_text))) { + __pa_symbol(_end) - __pa_symbol(_text))) { xen_raw_console_write("Xen hypervisor allocated kernel memory conflicts with E820 map\n"); BUG(); } diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 7415db053217..afc30a200fe8 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -2226,8 +2226,12 @@ bfq_setup_cooperator(struct bfq_data *bfqd, struct bfq_queue *bfqq, struct bfq_queue *in_service_bfqq, *new_bfqq; /* if a merge has already been setup, then proceed with that first */ - if (bfqq->new_bfqq) - return bfqq->new_bfqq; + new_bfqq = bfqq->new_bfqq; + if (new_bfqq) { + while (new_bfqq->new_bfqq) + new_bfqq = new_bfqq->new_bfqq; + return new_bfqq; + } /* * Prevent bfqq from being merged if it has been created too @@ -5033,7 +5037,7 @@ bfq_split_bfqq(struct bfq_io_cq *bic, struct bfq_queue *bfqq) { bfq_log_bfqq(bfqq->bfqd, bfqq, "splitting queue"); - if (bfqq_process_refs(bfqq) == 1) { + if (bfqq_process_refs(bfqq) == 1 && !bfqq->new_bfqq) { bfqq->pid = current->pid; bfq_clear_bfqq_coop(bfqq); bfq_clear_bfqq_split_coop(bfqq); @@ -5218,7 +5222,8 @@ static struct bfq_queue *bfq_init_rq(struct request *rq) * addition, if the queue has also just been split, we have to * resume its state. */ - if (likely(bfqq != &bfqd->oom_bfqq) && bfqq_process_refs(bfqq) == 1) { + if (likely(bfqq != &bfqd->oom_bfqq) && !bfqq->new_bfqq && + bfqq_process_refs(bfqq) == 1) { bfqq->bic = bic; if (split) { /* diff --git a/crypto/aead.c b/crypto/aead.c index 9688ada13981..f8b2cd0567f1 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -45,8 +45,7 @@ static int setkey_unaligned(struct crypto_aead *tfm, const u8 *key, alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); memcpy(alignbuffer, key, keylen); ret = crypto_aead_alg(tfm)->setkey(tfm, alignbuffer, keylen); - memset(alignbuffer, 0, keylen); - kfree(buffer); + kzfree(buffer); return ret; } diff --git a/crypto/cipher.c b/crypto/cipher.c index 57836c30a49a..3d3fa8d0d533 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c @@ -38,8 +38,7 @@ static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key, alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); memcpy(alignbuffer, key, keylen); ret = cia->cia_setkey(tfm, alignbuffer, keylen); - memset(alignbuffer, 0, keylen); - kfree(buffer); + kzfree(buffer); return ret; } diff --git a/drivers/acpi/acpica/dbconvert.c b/drivers/acpi/acpica/dbconvert.c index 9fd9a98a9cbe..5255a0837c82 100644 --- a/drivers/acpi/acpica/dbconvert.c +++ b/drivers/acpi/acpica/dbconvert.c @@ -170,6 +170,8 @@ acpi_status acpi_db_convert_to_package(char *string, union acpi_object *object) elements = ACPI_ALLOCATE_ZEROED(DB_DEFAULT_PKG_ELEMENTS * sizeof(union acpi_object)); + if (!elements) + return (AE_NO_MEMORY); this = string; for (i = 0; i < (DB_DEFAULT_PKG_ELEMENTS - 1); i++) { diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index 228feeea555f..91143bcfe090 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -437,6 +437,9 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) if (info->connection_node) { second_desc = info->connection_node->object; + if (second_desc == NULL) { + break; + } if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) { status = acpi_ds_get_buffer_arguments(second_desc); diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index 176d28d60125..956aaf6a3f3d 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -25,6 +25,8 @@ acpi_ps_get_next_package_length(struct acpi_parse_state *parser_state); static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state *parser_state); +static void acpi_ps_free_field_list(union acpi_parse_object *start); + /******************************************************************************* * * FUNCTION: acpi_ps_get_next_package_length @@ -683,6 +685,39 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state return_PTR(field); } +/******************************************************************************* + * + * FUNCTION: acpi_ps_free_field_list + * + * PARAMETERS: start - First Op in field list + * + * RETURN: None. + * + * DESCRIPTION: Free all Op objects inside a field list. + * + ******************************************************************************/ + +static void acpi_ps_free_field_list(union acpi_parse_object *start) +{ + union acpi_parse_object *cur = start; + union acpi_parse_object *next; + union acpi_parse_object *arg; + + while (cur) { + next = cur->common.next; + + /* AML_INT_CONNECTION_OP can have a single argument */ + + arg = acpi_ps_get_arg(cur, 0); + if (arg) { + acpi_ps_free_op(arg); + } + + acpi_ps_free_op(cur); + cur = next; + } +} + /******************************************************************************* * * FUNCTION: acpi_ps_get_next_arg @@ -751,6 +786,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, while (parser_state->aml < parser_state->pkg_end) { field = acpi_ps_get_next_field(parser_state); if (!field) { + if (arg) { + acpi_ps_free_field_list(arg); + } + return_ACPI_STATUS(AE_NO_MEMORY); } @@ -820,6 +859,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, acpi_ps_get_next_namepath(walk_state, parser_state, arg, ACPI_NOT_METHOD_CALL); + if (ACPI_FAILURE(status)) { + acpi_ps_free_op(arg); + return_ACPI_STATUS(status); + } } else { /* Single complex argument, nothing returned */ @@ -854,6 +897,10 @@ acpi_ps_get_next_arg(struct acpi_walk_state *walk_state, acpi_ps_get_next_namepath(walk_state, parser_state, arg, ACPI_POSSIBLE_METHOD_CALL); + if (ACPI_FAILURE(status)) { + acpi_ps_free_op(arg); + return_ACPI_STATUS(status); + } if (arg->common.aml_opcode == AML_INT_METHODCALL_OP) { diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 88f4040d6c1f..46aa0e5e6f8b 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -713,27 +713,34 @@ static LIST_HEAD(acpi_battery_list); static LIST_HEAD(battery_hook_list); static DEFINE_MUTEX(hook_mutex); -static void __battery_hook_unregister(struct acpi_battery_hook *hook, int lock) +static void battery_hook_unregister_unlocked(struct acpi_battery_hook *hook) { struct acpi_battery *battery; + /* * In order to remove a hook, we first need to * de-register all the batteries that are registered. */ - if (lock) - mutex_lock(&hook_mutex); list_for_each_entry(battery, &acpi_battery_list, list) { hook->remove_battery(battery->bat); } - list_del(&hook->list); - if (lock) - mutex_unlock(&hook_mutex); + list_del_init(&hook->list); + pr_info("extension unregistered: %s\n", hook->name); } void battery_hook_unregister(struct acpi_battery_hook *hook) { - __battery_hook_unregister(hook, 1); + mutex_lock(&hook_mutex); + /* + * Ignore already unregistered battery hooks. This might happen + * if a battery hook was previously unloaded due to an error when + * adding a new battery. + */ + if (!list_empty(&hook->list)) + battery_hook_unregister_unlocked(hook); + + mutex_unlock(&hook_mutex); } EXPORT_SYMBOL_GPL(battery_hook_unregister); @@ -742,7 +749,6 @@ void battery_hook_register(struct acpi_battery_hook *hook) struct acpi_battery *battery; mutex_lock(&hook_mutex); - INIT_LIST_HEAD(&hook->list); list_add(&hook->list, &battery_hook_list); /* * Now that the driver is registered, we need @@ -759,7 +765,7 @@ void battery_hook_register(struct acpi_battery_hook *hook) * hooks. */ pr_err("extension failed to load: %s", hook->name); - __battery_hook_unregister(hook, 0); + battery_hook_unregister_unlocked(hook); goto end; } } @@ -796,7 +802,7 @@ static void battery_hook_add_battery(struct acpi_battery *battery) */ pr_err("error in extension, unloading: %s", hook_node->name); - __battery_hook_unregister(hook_node, 0); + battery_hook_unregister_unlocked(hook_node); } } mutex_unlock(&hook_mutex); @@ -829,7 +835,7 @@ static void __exit battery_hook_exit(void) * need to remove the hooks. */ list_for_each_entry_safe(hook, ptr, &battery_hook_list, list) { - __battery_hook_unregister(hook, 1); + battery_hook_unregister(hook); } mutex_destroy(&hook_mutex); } diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index abf101451c92..626e82eca870 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -124,6 +124,17 @@ static const struct dmi_system_id lid_blacklst[] = { }, .driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_OPEN, }, + { + /* + * Samsung galaxybook2 ,initial _LID device notification returns + * lid closed. + */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_MATCH(DMI_PRODUCT_NAME, "750XED"), + }, + .driver_data = (void *)(long)ACPI_BUTTON_LID_INIT_OPEN, + }, {} }; diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c index 146be9cdeca5..36b584ff9fc7 100644 --- a/drivers/acpi/device_sysfs.c +++ b/drivers/acpi/device_sysfs.c @@ -539,8 +539,9 @@ int acpi_device_setup_files(struct acpi_device *dev) * If device has _STR, 'description' file is created */ if (acpi_has_method(dev->handle, "_STR")) { - status = acpi_evaluate_object(dev->handle, "_STR", - NULL, &buffer); + status = acpi_evaluate_object_typed(dev->handle, "_STR", + NULL, &buffer, + ACPI_TYPE_BUFFER); if (ACPI_FAILURE(status)) buffer.pointer = NULL; dev->pnp.str_obj = buffer.pointer; diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 7db62dec2ee5..1d0366c2c217 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -807,6 +807,9 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec, unsigned long tmp; int ret = 0; + if (t->rdata) + memset(t->rdata, 0, t->rlen); + /* start transaction */ spin_lock_irqsave(&ec->lock, tmp); /* Enable GPE for command processing (IBF=0/OBF=1) */ @@ -843,8 +846,6 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t) if (!ec || (!t) || (t->wlen && !t->wdata) || (t->rlen && !t->rdata)) return -EINVAL; - if (t->rdata) - memset(t->rdata, 0, t->rlen); mutex_lock(&ec->mutex); if (ec->global_lock) { @@ -871,7 +872,7 @@ static int acpi_ec_burst_enable(struct acpi_ec *ec) .wdata = NULL, .rdata = &d, .wlen = 0, .rlen = 1}; - return acpi_ec_transaction(ec, &t); + return acpi_ec_transaction_unlocked(ec, &t); } static int acpi_ec_burst_disable(struct acpi_ec *ec) @@ -881,7 +882,7 @@ static int acpi_ec_burst_disable(struct acpi_ec *ec) .wlen = 0, .rlen = 0}; return (acpi_ec_read_status(ec) & ACPI_EC_FLAG_BURST) ? - acpi_ec_transaction(ec, &t) : 0; + acpi_ec_transaction_unlocked(ec, &t) : 0; } static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) @@ -897,6 +898,19 @@ static int acpi_ec_read(struct acpi_ec *ec, u8 address, u8 *data) return result; } +static int acpi_ec_read_unlocked(struct acpi_ec *ec, u8 address, u8 *data) +{ + int result; + u8 d; + struct transaction t = {.command = ACPI_EC_COMMAND_READ, + .wdata = &address, .rdata = &d, + .wlen = 1, .rlen = 1}; + + result = acpi_ec_transaction_unlocked(ec, &t); + *data = d; + return result; +} + static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data) { u8 wdata[2] = { address, data }; @@ -907,6 +921,16 @@ static int acpi_ec_write(struct acpi_ec *ec, u8 address, u8 data) return acpi_ec_transaction(ec, &t); } +static int acpi_ec_write_unlocked(struct acpi_ec *ec, u8 address, u8 data) +{ + u8 wdata[2] = { address, data }; + struct transaction t = {.command = ACPI_EC_COMMAND_WRITE, + .wdata = wdata, .rdata = NULL, + .wlen = 2, .rlen = 0}; + + return acpi_ec_transaction_unlocked(ec, &t); +} + int ec_read(u8 addr, u8 *val) { int err; @@ -1320,6 +1344,7 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, struct acpi_ec *ec = handler_context; int result = 0, i, bytes = bits / 8; u8 *value = (u8 *)value64; + u32 glk; if ((address > 0xFF) || !value || !handler_context) return AE_BAD_PARAMETER; @@ -1327,13 +1352,25 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, if (function != ACPI_READ && function != ACPI_WRITE) return AE_BAD_PARAMETER; + mutex_lock(&ec->mutex); + + if (ec->global_lock) { + acpi_status status; + + status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); + if (ACPI_FAILURE(status)) { + result = -ENODEV; + goto unlock; + } + } + if (ec->busy_polling || bits > 8) acpi_ec_burst_enable(ec); for (i = 0; i < bytes; ++i, ++address, ++value) { result = (function == ACPI_READ) ? - acpi_ec_read(ec, address, value) : - acpi_ec_write(ec, address, *value); + acpi_ec_read_unlocked(ec, address, value) : + acpi_ec_write_unlocked(ec, address, *value); if (result < 0) break; } @@ -1341,6 +1378,12 @@ acpi_ec_space_handler(u32 function, acpi_physical_address address, if (ec->busy_polling || bits > 8) acpi_ec_burst_disable(ec); + if (ec->global_lock) + acpi_release_global_lock(glk); + +unlock: + mutex_unlock(&ec->mutex); + switch (result) { case -EINVAL: return AE_BAD_PARAMETER; diff --git a/drivers/acpi/pmic/tps68470_pmic.c b/drivers/acpi/pmic/tps68470_pmic.c index a083de507009..fde8a1271c9b 100644 --- a/drivers/acpi/pmic/tps68470_pmic.c +++ b/drivers/acpi/pmic/tps68470_pmic.c @@ -376,10 +376,8 @@ static int tps68470_pmic_opregion_probe(struct platform_device *pdev) struct tps68470_pmic_opregion *opregion; acpi_status status; - if (!dev || !tps68470_regmap) { - dev_warn(dev, "dev or regmap is NULL\n"); - return -EINVAL; - } + if (!tps68470_regmap) + return dev_err_probe(dev, -EINVAL, "regmap is missing\n"); if (!handle) { dev_warn(dev, "acpi handle is NULL\n"); diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 82adaf02887f..8613a3cf2c8a 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -144,7 +144,7 @@ static const struct pci_device_id sil_pci_tbl[] = { static const struct sil_drivelist { const char *product; unsigned int quirk; -} sil_blacklist [] = { +} sil_quirks[] = { { "ST320012AS", SIL_QUIRK_MOD15WRITE }, { "ST330013AS", SIL_QUIRK_MOD15WRITE }, { "ST340017AS", SIL_QUIRK_MOD15WRITE }, @@ -617,8 +617,8 @@ static void sil_thaw(struct ata_port *ap) * list, and apply the fixups to only the specific * devices/hosts/firmwares that need it. * - * 20040111 - Seagate drives affected by the Mod15Write bug are blacklisted - * The Maxtor quirk is in the blacklist, but I'm keeping the original + * 20040111 - Seagate drives affected by the Mod15Write bug are quirked + * The Maxtor quirk is in sil_quirks, but I'm keeping the original * pessimistic fix for the following reasons... * - There seems to be less info on it, only one device gleaned off the * Windows driver, maybe only one is affected. More info would be greatly @@ -637,9 +637,9 @@ static void sil_dev_config(struct ata_device *dev) ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num)); - for (n = 0; sil_blacklist[n].product; n++) - if (!strcmp(sil_blacklist[n].product, model_num)) { - quirks = sil_blacklist[n].quirk; + for (n = 0; sil_quirks[n].product; n++) + if (!strcmp(sil_quirks[n].product, model_num)) { + quirks = sil_quirks[n].quirk; break; } diff --git a/drivers/base/bus.c b/drivers/base/bus.c index e06a57936cc9..aad13af4175b 100644 --- a/drivers/base/bus.c +++ b/drivers/base/bus.c @@ -103,7 +103,8 @@ static ssize_t bus_attr_show(struct kobject *kobj, struct attribute *attr, { struct bus_attribute *bus_attr = to_bus_attr(attr); struct subsys_private *subsys_priv = to_subsys_private(kobj); - ssize_t ret = 0; + /* return -EIO for reading a bus attribute without show() */ + ssize_t ret = -EIO; if (bus_attr->show) ret = bus_attr->show(subsys_priv->bus, buf); @@ -115,7 +116,8 @@ static ssize_t bus_attr_store(struct kobject *kobj, struct attribute *attr, { struct bus_attribute *bus_attr = to_bus_attr(attr); struct subsys_private *subsys_priv = to_subsys_private(kobj); - ssize_t ret = 0; + /* return -EIO for writing a bus attribute without store() */ + ssize_t ret = -EIO; if (bus_attr->store) ret = bus_attr->store(subsys_priv->bus, buf, count); diff --git a/drivers/base/core.c b/drivers/base/core.c index 8d86ca28c54d..838d084d852b 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -24,7 +24,6 @@ #include <linux/mutex.h> #include <linux/pm_runtime.h> #include <linux/netdevice.h> -#include <linux/rcupdate.h> #include <linux/sched/signal.h> #include <linux/sysfs.h> @@ -1138,7 +1137,6 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, struct kobj_uevent_env *env) { struct device *dev = kobj_to_dev(kobj); - struct device_driver *driver; int retval = 0; /* add device node properties if present */ @@ -1167,12 +1165,8 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, if (dev->type && dev->type->name) add_uevent_var(env, "DEVTYPE=%s", dev->type->name); - /* Synchronize with module_remove_driver() */ - rcu_read_lock(); - driver = READ_ONCE(dev->driver); - if (driver) - add_uevent_var(env, "DRIVER=%s", driver->name); - rcu_read_unlock(); + if (dev->driver) + add_uevent_var(env, "DRIVER=%s", dev->driver->name); /* Add common DT information about the device */ of_device_uevent(dev, env); @@ -1242,8 +1236,11 @@ static ssize_t uevent_show(struct device *dev, struct device_attribute *attr, if (!env) return -ENOMEM; + /* Synchronize with really_probe() */ + device_lock(dev); /* let the kset specific function add its keys */ retval = kset->uevent_ops->uevent(kset, &dev->kobj, env); + device_unlock(dev); if (retval) goto out; diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index cfa5e598a0dc..b9985c7338dc 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -565,6 +565,26 @@ static void fw_abort_batch_reqs(struct firmware *fw) mutex_unlock(&fw_lock); } +/* + * Reject firmware file names with ".." path components. + * There are drivers that construct firmware file names from device-supplied + * strings, and we don't want some device to be able to tell us "I would like to + * be sent my firmware from ../../../etc/shadow, please". + * + * Search for ".." surrounded by either '/' or start/end of string. + * + * This intentionally only looks at the firmware name, not at the firmware base + * directory or at symlink contents. + */ +static bool name_contains_dotdot(const char *name) +{ + size_t name_len = strlen(name); + + return strcmp(name, "..") == 0 || strncmp(name, "../", 3) == 0 || + strstr(name, "/../") != NULL || + (name_len >= 3 && strcmp(name+name_len-3, "/..") == 0); +} + /* called from request_firmware() and request_firmware_work_func() */ static int _request_firmware(const struct firmware **firmware_p, const char *name, @@ -582,6 +602,14 @@ _request_firmware(const struct firmware **firmware_p, const char *name, goto out; } + if (name_contains_dotdot(name)) { + dev_warn(device, + "Firmware load for '%s' refused, path contains '..' component\n", + name); + ret = -EINVAL; + goto out; + } + ret = _request_firmware_prepare(&fw, name, device, buf, size, opt_flags); if (ret <= 0) /* error or already assigned */ @@ -622,6 +650,8 @@ _request_firmware(const struct firmware **firmware_p, const char *name, * @name will be used as $FIRMWARE in the uevent environment and * should be distinctive enough not to be confused with any other * firmware image for this or any other device. + * It must not contain any ".." path components - "foo/bar..bin" is + * allowed, but "foo/../bar.bin" is not. * * Caller must hold the reference count of @device. * diff --git a/drivers/base/module.c b/drivers/base/module.c index 851cc5367c04..46ad4d636731 100644 --- a/drivers/base/module.c +++ b/drivers/base/module.c @@ -7,7 +7,6 @@ #include <linux/errno.h> #include <linux/slab.h> #include <linux/string.h> -#include <linux/rcupdate.h> #include "base.h" static char *make_driver_name(struct device_driver *drv) @@ -78,9 +77,6 @@ void module_remove_driver(struct device_driver *drv) if (!drv) return; - /* Synchronize with dev_uevent() */ - synchronize_rcu(); - sysfs_remove_link(&drv->p->kobj, "module"); if (drv->owner) diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index c2b32c53da2b..8a4ca3484983 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -362,6 +362,7 @@ ata_rw_frameinit(struct frame *f) } ah->cmdstat = ATA_CMD_PIO_READ | writebit | extbit; + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; } @@ -402,6 +403,8 @@ aoecmd_ata_rw(struct aoedev *d) __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); aoenet_xmit(&queue); + } else { + dev_put(f->t->ifp->nd); } return 1; } @@ -484,10 +487,13 @@ resend(struct aoedev *d, struct frame *f) memcpy(h->dst, t->addr, sizeof h->dst); memcpy(h->src, t->ifp->nd->dev_addr, sizeof h->src); + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; skb = skb_clone(skb, GFP_ATOMIC); - if (skb == NULL) + if (skb == NULL) { + dev_put(t->ifp->nd); return; + } f->sent = ktime_get(); __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); @@ -618,6 +624,8 @@ probe(struct aoetgt *t) __skb_queue_head_init(&queue); __skb_queue_tail(&queue, skb); aoenet_xmit(&queue); + } else { + dev_put(f->t->ifp->nd); } } @@ -1407,6 +1415,7 @@ aoecmd_ata_id(struct aoedev *d) ah->cmdstat = ATA_CMD_ID_ATA; ah->lba3 = 0xa0; + dev_hold(t->ifp->nd); skb->dev = t->ifp->nd; d->rttavg = RTTAVG_INIT; @@ -1416,6 +1425,8 @@ aoecmd_ata_id(struct aoedev *d) skb = skb_clone(skb, GFP_ATOMIC); if (skb) f->sent = ktime_get(); + else + dev_put(t->ifp->nd); return skb; } diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 1ff5af6c4f3f..bb2460a2d824 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -3499,10 +3499,12 @@ void drbd_uuid_new_current(struct drbd_device *device) __must_hold(local) void drbd_uuid_set_bm(struct drbd_device *device, u64 val) __must_hold(local) { unsigned long flags; - if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) + spin_lock_irqsave(&device->ldev->md.uuid_lock, flags); + if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) { + spin_unlock_irqrestore(&device->ldev->md.uuid_lock, flags); return; + } - spin_lock_irqsave(&device->ldev->md.uuid_lock, flags); if (val == 0) { drbd_uuid_move_history(device); device->ldev->md.uuid[UI_HISTORY_START] = device->ldev->md.uuid[UI_BITMAP]; diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c index 1474250f9440..9d8f952514db 100644 --- a/drivers/block/drbd/drbd_state.c +++ b/drivers/block/drbd/drbd_state.c @@ -888,7 +888,7 @@ is_valid_state(struct drbd_device *device, union drbd_state ns) ns.disk == D_OUTDATED) rv = SS_CONNECTED_OUTDATES; - else if ((ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && + else if (nc && (ns.conn == C_VERIFY_S || ns.conn == C_VERIFY_T) && (nc->verify_alg[0] == 0)) rv = SS_NO_VERIFY_ALG; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index b6eb48e44e6b..7ee8cdc8dcb9 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -743,7 +743,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) if (!urb) return -ENOMEM; - size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && + le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) + /* Fake CSR devices don't seem to support sort-transter */ + size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + else + /* Use maximum HCI Event size so the USB stack handles + * ZPL/short-transfer automatically. + */ + size = HCI_MAX_EVENT_SIZE; buf = kmalloc(size, mem_flags); if (!buf) { diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index d3937d690400..ad9e26665260 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2075,25 +2075,27 @@ static int virtcons_probe(struct virtio_device *vdev) multiport = true; } - err = init_vqs(portdev); - if (err < 0) { - dev_err(&vdev->dev, "Error %d initializing vqs\n", err); - goto free_chrdev; - } - spin_lock_init(&portdev->ports_lock); INIT_LIST_HEAD(&portdev->ports); INIT_LIST_HEAD(&portdev->list); - virtio_device_ready(portdev->vdev); - INIT_WORK(&portdev->config_work, &config_work_handler); INIT_WORK(&portdev->control_work, &control_work_handler); if (multiport) { spin_lock_init(&portdev->c_ivq_lock); spin_lock_init(&portdev->c_ovq_lock); + } + err = init_vqs(portdev); + if (err < 0) { + dev_err(&vdev->dev, "Error %d initializing vqs\n", err); + goto free_chrdev; + } + + virtio_device_ready(portdev->vdev); + + if (multiport) { err = fill_queue(portdev->c_ivq, &portdev->c_ivq_lock); if (err < 0) { dev_err(&vdev->dev, diff --git a/drivers/clk/bcm/clk-bcm53573-ilp.c b/drivers/clk/bcm/clk-bcm53573-ilp.c index 36eb3716ffb0..3bc6837f844d 100644 --- a/drivers/clk/bcm/clk-bcm53573-ilp.c +++ b/drivers/clk/bcm/clk-bcm53573-ilp.c @@ -115,7 +115,7 @@ static void bcm53573_ilp_init(struct device_node *np) goto err_free_ilp; } - ilp->regmap = syscon_node_to_regmap(of_get_parent(np)); + ilp->regmap = syscon_node_to_regmap(np->parent); if (IS_ERR(ilp->regmap)) { err = PTR_ERR(ilp->regmap); goto err_free_ilp; diff --git a/drivers/clk/clk-devres.c b/drivers/clk/clk-devres.c index d854e26a8ddb..51c3701d9a34 100644 --- a/drivers/clk/clk-devres.c +++ b/drivers/clk/clk-devres.c @@ -9,31 +9,101 @@ #include <linux/export.h> #include <linux/gfp.h> +struct devm_clk_state { + struct clk *clk; + void (*exit)(struct clk *clk); +}; + static void devm_clk_release(struct device *dev, void *res) { - clk_put(*(struct clk **)res); + struct devm_clk_state *state = res; + + if (state->exit) + state->exit(state->clk); + + clk_put(state->clk); } -struct clk *devm_clk_get(struct device *dev, const char *id) +static struct clk *__devm_clk_get(struct device *dev, const char *id, + struct clk *(*get)(struct device *dev, const char *id), + int (*init)(struct clk *clk), + void (*exit)(struct clk *clk)) { - struct clk **ptr, *clk; + struct devm_clk_state *state; + struct clk *clk; + int ret; - ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) + state = devres_alloc(devm_clk_release, sizeof(*state), GFP_KERNEL); + if (!state) return ERR_PTR(-ENOMEM); - clk = clk_get(dev, id); - if (!IS_ERR(clk)) { - *ptr = clk; - devres_add(dev, ptr); - } else { - devres_free(ptr); + clk = get(dev, id); + if (IS_ERR(clk)) { + ret = PTR_ERR(clk); + goto err_clk_get; } + if (init) { + ret = init(clk); + if (ret) + goto err_clk_init; + } + + state->clk = clk; + state->exit = exit; + + devres_add(dev, state); + return clk; + +err_clk_init: + + clk_put(clk); +err_clk_get: + + devres_free(state); + return ERR_PTR(ret); +} + +struct clk *devm_clk_get(struct device *dev, const char *id) +{ + return __devm_clk_get(dev, id, clk_get, NULL, NULL); } EXPORT_SYMBOL(devm_clk_get); +struct clk *devm_clk_get_prepared(struct device *dev, const char *id) +{ + return __devm_clk_get(dev, id, clk_get, clk_prepare, clk_unprepare); +} +EXPORT_SYMBOL_GPL(devm_clk_get_prepared); + +struct clk *devm_clk_get_enabled(struct device *dev, const char *id) +{ + return __devm_clk_get(dev, id, clk_get, + clk_prepare_enable, clk_disable_unprepare); +} +EXPORT_SYMBOL_GPL(devm_clk_get_enabled); + +struct clk *devm_clk_get_optional(struct device *dev, const char *id) +{ + return __devm_clk_get(dev, id, clk_get_optional, NULL, NULL); +} +EXPORT_SYMBOL(devm_clk_get_optional); + +struct clk *devm_clk_get_optional_prepared(struct device *dev, const char *id) +{ + return __devm_clk_get(dev, id, clk_get_optional, + clk_prepare, clk_unprepare); +} +EXPORT_SYMBOL_GPL(devm_clk_get_optional_prepared); + +struct clk *devm_clk_get_optional_enabled(struct device *dev, const char *id) +{ + return __devm_clk_get(dev, id, clk_get_optional, + clk_prepare_enable, clk_disable_unprepare); +} +EXPORT_SYMBOL_GPL(devm_clk_get_optional_enabled); + struct clk_bulk_devres { struct clk_bulk_data *clks; int num_clks; @@ -93,18 +163,19 @@ EXPORT_SYMBOL(devm_clk_put); struct clk *devm_get_clk_from_child(struct device *dev, struct device_node *np, const char *con_id) { - struct clk **ptr, *clk; + struct devm_clk_state *state; + struct clk *clk; - ptr = devres_alloc(devm_clk_release, sizeof(*ptr), GFP_KERNEL); - if (!ptr) + state = devres_alloc(devm_clk_release, sizeof(*state), GFP_KERNEL); + if (!state) return ERR_PTR(-ENOMEM); clk = of_clk_get_by_name(np, con_id); if (!IS_ERR(clk)) { - *ptr = clk; - devres_add(dev, ptr); + state->clk = clk; + devres_add(dev, state); } else { - devres_free(ptr); + devres_free(state); } return clk; diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c index 8d11d76e1db7..811f0d43ee90 100644 --- a/drivers/clk/rockchip/clk-rk3228.c +++ b/drivers/clk/rockchip/clk-rk3228.c @@ -415,7 +415,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = { RK2928_CLKSEL_CON(29), 0, 3, DFLAGS), DIV(0, "sclk_vop_pre", "sclk_vop_src", 0, RK2928_CLKSEL_CON(27), 8, 8, DFLAGS), - MUX(DCLK_VOP, "dclk_vop", mux_dclk_vop_p, 0, + MUX(DCLK_VOP, "dclk_vop", mux_dclk_vop_p, CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT, RK2928_CLKSEL_CON(27), 1, 1, MFLAGS), FACTOR(0, "xin12m", "xin24m", 0, 1, 2), diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index c3ad92965823..fb346d0b35b4 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -444,12 +444,13 @@ void __init rockchip_clk_register_branches( struct rockchip_clk_branch *list, unsigned int nr_clk) { - struct clk *clk = NULL; + struct clk *clk; unsigned int idx; unsigned long flags; for (idx = 0; idx < nr_clk; idx++, list++) { flags = list->flags; + clk = NULL; /* catch simple muxes */ switch (list->branch_type) { diff --git a/drivers/clk/ti/clk-dra7-atl.c b/drivers/clk/ti/clk-dra7-atl.c index a4b6f3ac2d34..afd71c894150 100644 --- a/drivers/clk/ti/clk-dra7-atl.c +++ b/drivers/clk/ti/clk-dra7-atl.c @@ -257,6 +257,7 @@ static int of_dra7_atl_clk_probe(struct platform_device *pdev) } clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); if (IS_ERR(clk)) { pr_err("%s: failed to get atl clock %d from provider\n", __func__, i); diff --git a/drivers/clocksource/timer-qcom.c b/drivers/clocksource/timer-qcom.c index 89816f89ff3f..83385bc431ac 100644 --- a/drivers/clocksource/timer-qcom.c +++ b/drivers/clocksource/timer-qcom.c @@ -242,6 +242,7 @@ static int __init msm_dt_timer_init(struct device_node *np) } if (of_property_read_u32(np, "clock-frequency", &freq)) { + iounmap(cpu0_base); pr_err("Unknown frequency\n"); return -EINVAL; } @@ -252,7 +253,11 @@ static int __init msm_dt_timer_init(struct device_node *np) freq /= 4; writel_relaxed(DGT_CLK_CTL_DIV_4, source_base + DGT_CLK_CTL); - return msm_timer_init(freq, 32, irq, !!percpu_offset); + ret = msm_timer_init(freq, 32, irq, !!percpu_offset); + if (ret) + iounmap(cpu0_base); + + return ret; } TIMER_OF_DECLARE(kpss_timer, "qcom,kpss-timer", msm_dt_timer_init); TIMER_OF_DECLARE(scss_timer, "qcom,scss-timer", msm_dt_timer_init); diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c index ea2c2bdcf4f7..eb99a02e5114 100644 --- a/drivers/firmware/arm_sdei.c +++ b/drivers/firmware/arm_sdei.c @@ -800,7 +800,7 @@ static int sdei_device_freeze(struct device *dev) int err; /* unregister private events */ - cpuhp_remove_state(sdei_entry_point); + cpuhp_remove_state(sdei_hp_state); err = sdei_unregister_shared(); if (err) diff --git a/drivers/gpio/gpio-aspeed.c b/drivers/gpio/gpio-aspeed.c index ba1cd971d50b..cab3d9a4018a 100644 --- a/drivers/gpio/gpio-aspeed.c +++ b/drivers/gpio/gpio-aspeed.c @@ -407,6 +407,8 @@ static void __aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset, gpio->dcache[GPIO_BANK(offset)] = reg; iowrite32(reg, addr); + /* Flush write */ + ioread32(addr); } static void aspeed_gpio_set(struct gpio_chip *gc, unsigned int offset, @@ -1174,7 +1176,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev) if (!gpio_id) return -EINVAL; - gpio->clk = of_clk_get(pdev->dev.of_node, 0); + gpio->clk = devm_clk_get_enabled(&pdev->dev, NULL); if (IS_ERR(gpio->clk)) { dev_warn(&pdev->dev, "Failed to get clock from devicetree, debouncing disabled\n"); diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c index ab9f7acaae76..5d2b848cfc6a 100644 --- a/drivers/gpio/gpio-davinci.c +++ b/drivers/gpio/gpio-davinci.c @@ -294,7 +294,7 @@ static int davinci_gpio_probe(struct platform_device *pdev) * serve as EDMA event triggers. */ -static void gpio_irq_disable(struct irq_data *d) +static void gpio_irq_mask(struct irq_data *d) { struct davinci_gpio_regs __iomem *g = irq2regs(d); u32 mask = (u32) irq_data_get_irq_handler_data(d); @@ -303,7 +303,7 @@ static void gpio_irq_disable(struct irq_data *d) writel_relaxed(mask, &g->clr_rising); } -static void gpio_irq_enable(struct irq_data *d) +static void gpio_irq_unmask(struct irq_data *d) { struct davinci_gpio_regs __iomem *g = irq2regs(d); u32 mask = (u32) irq_data_get_irq_handler_data(d); @@ -329,8 +329,8 @@ static int gpio_irq_type(struct irq_data *d, unsigned trigger) static struct irq_chip gpio_irqchip = { .name = "GPIO", - .irq_enable = gpio_irq_enable, - .irq_disable = gpio_irq_disable, + .irq_unmask = gpio_irq_unmask, + .irq_mask = gpio_irq_mask, .irq_set_type = gpio_irq_type, .flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_SKIP_SET_WAKE, }; diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 12472b84a71c..f93c4ece69e2 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -3,6 +3,7 @@ #include <linux/module.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/nospec.h> #include <linux/spinlock.h> #include <linux/list.h> #include <linux/device.h> @@ -144,7 +145,7 @@ struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip, if (hwnum >= gdev->ngpio) return ERR_PTR(-EINVAL); - return &gdev->descs[hwnum]; + return &gdev->descs[array_index_nospec(hwnum, gdev->ngpio)]; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index bbd927e800af..bf8044bf4734 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -90,6 +90,7 @@ static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif, struct acpi_buffer *params) { acpi_status status; + union acpi_object *obj; union acpi_object atif_arg_elements[2]; struct acpi_object_list atif_arg; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; @@ -112,16 +113,24 @@ static union acpi_object *amdgpu_atif_call(struct amdgpu_atif *atif, status = acpi_evaluate_object(atif->handle, NULL, &atif_arg, &buffer); + obj = (union acpi_object *)buffer.pointer; - /* Fail only if calling the method fails and ATIF is supported */ + /* Fail if calling the method fails and ATIF is supported */ if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { DRM_DEBUG_DRIVER("failed to evaluate ATIF got %s\n", acpi_format_exception(status)); - kfree(buffer.pointer); + kfree(obj); return NULL; } - return buffer.pointer; + if (obj->type != ACPI_TYPE_BUFFER) { + DRM_DEBUG_DRIVER("bad object returned from ATIF: %d\n", + obj->type); + kfree(obj); + return NULL; + } + + return obj; } /** diff --git a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c index d702fb8e3427..251975697d69 100644 --- a/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c +++ b/drivers/gpu/drm/amd/amdgpu/atombios_encoders.c @@ -2095,23 +2095,29 @@ amdgpu_atombios_encoder_get_lcd_info(struct amdgpu_encoder *encoder) fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record; if (fake_edid_record->ucFakeEDIDLength) { struct edid *edid; - int edid_size = - max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength); - edid = kmalloc(edid_size, GFP_KERNEL); + int edid_size; + + if (fake_edid_record->ucFakeEDIDLength == 128) + edid_size = fake_edid_record->ucFakeEDIDLength; + else + edid_size = fake_edid_record->ucFakeEDIDLength * 128; + edid = kmemdup(&fake_edid_record->ucFakeEDIDString[0], + edid_size, GFP_KERNEL); if (edid) { - memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0], - fake_edid_record->ucFakeEDIDLength); - if (drm_edid_is_valid(edid)) { adev->mode_info.bios_hardcoded_edid = edid; adev->mode_info.bios_hardcoded_edid_size = edid_size; - } else + } else { kfree(edid); + } } + record += struct_size(fake_edid_record, + ucFakeEDIDString, + edid_size); + } else { + /* empty fake edid record must be 3 bytes long */ + record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; } - record += fake_edid_record->ucFakeEDIDLength ? - fake_edid_record->ucFakeEDIDLength + 2 : - sizeof(ATOM_FAKE_EDID_PATCH_RECORD); break; case LCD_PANEL_RESOLUTION_RECORD_TYPE: panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c index 8b4337794d1e..18ebbbf67f23 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c @@ -1569,6 +1569,8 @@ static bool are_stream_backends_same( bool dc_is_stream_unchanged( struct dc_stream_state *old_stream, struct dc_stream_state *stream) { + if (!old_stream || !stream) + return false; if (!are_stream_backends_same(old_stream, stream)) return false; diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c index 67a3ba49234e..ad4247061344 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_cm_common.c @@ -482,6 +482,8 @@ bool cm_helper_translate_curve_to_degamma_hw_format( i += increment) { if (j == hw_points - 1) break; + if (i >= TRANSFER_FUNC_POINTS) + return false; rgb_resulted[j].red = output_tf->tf_pts.red[i]; rgb_resulted[j].green = output_tf->tf_pts.green[i]; rgb_resulted[j].blue = output_tf->tf_pts.blue[i]; diff --git a/drivers/gpu/drm/amd/include/atombios.h b/drivers/gpu/drm/amd/include/atombios.h index 7931502fa54f..c9f70accd46d 100644 --- a/drivers/gpu/drm/amd/include/atombios.h +++ b/drivers/gpu/drm/amd/include/atombios.h @@ -4106,8 +4106,8 @@ typedef struct _ATOM_LCD_MODE_CONTROL_CAP typedef struct _ATOM_FAKE_EDID_PATCH_RECORD { UCHAR ucRecordType; - UCHAR ucFakeEDIDLength; // = 128 means EDID lenght is 128 bytes, otherwise the EDID length = ucFakeEDIDLength*128 - UCHAR ucFakeEDIDString[1]; // This actually has ucFakeEdidLength elements. + UCHAR ucFakeEDIDLength; // = 128 means EDID length is 128 bytes, otherwise the EDID length = ucFakeEDIDLength*128 + UCHAR ucFakeEDIDString[]; // This actually has ucFakeEdidLength elements. } ATOM_FAKE_EDID_PATCH_RECORD; typedef struct _ATOM_PANEL_RESOLUTION_PATCH_RECORD diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 22eba10af165..e8d5fc8408c5 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -567,9 +567,9 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_mode_crtc *crtc_req = data; struct drm_crtc *crtc; struct drm_plane *plane; - struct drm_connector **connector_set, *connector; - struct drm_framebuffer *fb; - struct drm_display_mode *mode; + struct drm_connector **connector_set = NULL, *connector; + struct drm_framebuffer *fb = NULL; + struct drm_display_mode *mode = NULL; struct drm_mode_set set; uint32_t __user *set_connectors_ptr; struct drm_modeset_acquire_ctx ctx; @@ -601,10 +601,6 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, mutex_lock(&crtc->dev->mode_config.mutex); drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); retry: - connector_set = NULL; - fb = NULL; - mode = NULL; - ret = drm_modeset_lock_all_ctx(crtc->dev, &ctx); if (ret) goto out; @@ -767,6 +763,13 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, } kfree(connector_set); drm_mode_destroy(dev, mode); + + /* In case we need to retry... */ + connector_set = NULL; + fb = NULL; + mode = NULL; + num_connectors = 0; + if (ret == -EDEADLK) { ret = drm_modeset_backoff(&ctx); if (!ret) diff --git a/drivers/gpu/drm/drm_print.c b/drivers/gpu/drm/drm_print.c index 0e7fc3e7dfb4..711a1b329879 100644 --- a/drivers/gpu/drm/drm_print.c +++ b/drivers/gpu/drm/drm_print.c @@ -54,8 +54,9 @@ void __drm_puts_coredump(struct drm_printer *p, const char *str) copy = iterator->remain; /* Copy out the bit of the string that we need */ - memcpy(iterator->data, - str + (iterator->start - iterator->offset), copy); + if (iterator->data) + memcpy(iterator->data, + str + (iterator->start - iterator->offset), copy); iterator->offset = iterator->start + copy; iterator->remain -= copy; @@ -64,7 +65,8 @@ void __drm_puts_coredump(struct drm_printer *p, const char *str) len = min_t(ssize_t, strlen(str), iterator->remain); - memcpy(iterator->data + pos, str, len); + if (iterator->data) + memcpy(iterator->data + pos, str, len); iterator->offset += len; iterator->remain -= len; @@ -94,8 +96,9 @@ void __drm_printfn_coredump(struct drm_printer *p, struct va_format *vaf) if ((iterator->offset >= iterator->start) && (len < iterator->remain)) { ssize_t pos = iterator->offset - iterator->start; - snprintf(((char *) iterator->data) + pos, - iterator->remain, "%pV", vaf); + if (iterator->data) + snprintf(((char *) iterator->data) + pos, + iterator->remain, "%pV", vaf); iterator->offset += len; iterator->remain -= len; diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h index 7d71860c4bee..c9b1da1517dc 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.h @@ -44,6 +44,7 @@ struct a5xx_gpu { uint64_t preempt_iova[MSM_GPU_MAX_RINGS]; atomic_t preempt_state; + spinlock_t preempt_start_lock; struct timer_list preempt_timer; }; diff --git a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c index 970c7963ae29..63445e88f8ad 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_preempt.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_preempt.c @@ -107,12 +107,19 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) if (gpu->nr_rings == 1) return; + /* + * Serialize preemption start to ensure that we always make + * decision on latest state. Otherwise we can get stuck in + * lower priority or empty ring. + */ + spin_lock_irqsave(&a5xx_gpu->preempt_start_lock, flags); + /* * Try to start preemption by moving from NONE to START. If * unsuccessful, a preemption is already in flight */ if (!try_preempt_state(a5xx_gpu, PREEMPT_NONE, PREEMPT_START)) - return; + goto out; /* Get the next ring to preempt to */ ring = get_next_ring(gpu); @@ -137,9 +144,11 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) set_preempt_state(a5xx_gpu, PREEMPT_ABORT); update_wptr(gpu, a5xx_gpu->cur_ring); set_preempt_state(a5xx_gpu, PREEMPT_NONE); - return; + goto out; } + spin_unlock_irqrestore(&a5xx_gpu->preempt_start_lock, flags); + /* Make sure the wptr doesn't update while we're in motion */ spin_lock_irqsave(&ring->lock, flags); a5xx_gpu->preempt[ring->id]->wptr = get_wptr(ring); @@ -163,6 +172,10 @@ void a5xx_preempt_trigger(struct msm_gpu *gpu) /* And actually start the preemption */ gpu_write(gpu, REG_A5XX_CP_CONTEXT_SWITCH_CNTL, 1); + return; + +out: + spin_unlock_irqrestore(&a5xx_gpu->preempt_start_lock, flags); } void a5xx_preempt_irq(struct msm_gpu *gpu) @@ -200,6 +213,12 @@ void a5xx_preempt_irq(struct msm_gpu *gpu) update_wptr(gpu, a5xx_gpu->cur_ring); set_preempt_state(a5xx_gpu, PREEMPT_NONE); + + /* + * Try to trigger preemption again in case there was a submit or + * retire during ring switch + */ + a5xx_preempt_trigger(gpu); } void a5xx_preempt_hw_init(struct msm_gpu *gpu) @@ -209,6 +228,8 @@ void a5xx_preempt_hw_init(struct msm_gpu *gpu) int i; for (i = 0; i < gpu->nr_rings; i++) { + a5xx_gpu->preempt[i]->data = 0; + a5xx_gpu->preempt[i]->info = 0; a5xx_gpu->preempt[i]->wptr = 0; a5xx_gpu->preempt[i]->rptr = 0; a5xx_gpu->preempt[i]->rbase = gpu->rb[i]->iova; @@ -300,5 +321,6 @@ void a5xx_preempt_init(struct msm_gpu *gpu) } } + spin_lock_init(&a5xx_gpu->preempt_start_lock); timer_setup(&a5xx_gpu->preempt_timer, a5xx_preempt_timer, 0); } diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c index 96c2b828dba4..2d9027c8418e 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_smp.c @@ -366,7 +366,7 @@ void mdp5_smp_dump(struct mdp5_smp *smp, struct drm_printer *p) drm_printf(p, "%s:%d\t%d\t%s\n", pipe2name(pipe), j, inuse, - plane ? plane->name : NULL); + plane ? plane->name : "(null)"); total += inuse; } diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 5f4dd3659bf9..137c0ec1b577 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -671,7 +671,7 @@ static u32 dsi_get_pclk_rate(struct msm_dsi_host *msm_host, bool is_dual_dsi) struct drm_display_mode *mode = msm_host->mode; u32 pclk_rate; - pclk_rate = mode->clock * 1000; + pclk_rate = mode->clock * 1000u; /* * For dual DSI mode, the current DRM mode has the complete width of the diff --git a/drivers/gpu/drm/radeon/atombios.h b/drivers/gpu/drm/radeon/atombios.h index 4b86e8b45009..e3f496464764 100644 --- a/drivers/gpu/drm/radeon/atombios.h +++ b/drivers/gpu/drm/radeon/atombios.h @@ -3615,7 +3615,7 @@ typedef struct _ATOM_FAKE_EDID_PATCH_RECORD { UCHAR ucRecordType; UCHAR ucFakeEDIDLength; - UCHAR ucFakeEDIDString[1]; // This actually has ucFakeEdidLength elements. + UCHAR ucFakeEDIDString[]; // This actually has ucFakeEdidLength elements. } ATOM_FAKE_EDID_PATCH_RECORD; typedef struct _ATOM_PANEL_RESOLUTION_PATCH_RECORD diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 2f0a5bd50174..44a5c9059323 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -396,7 +396,7 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028C6C_SLICE_MAX(track->cb_color_view[id]) + 1; @@ -434,14 +434,14 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i return r; } - offset = track->cb_color_bo_offset[id] << 8; + offset = (u64)track->cb_color_bo_offset[id] << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d cb[%d] bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d cb[%d] bo base %llu not aligned with %ld\n", __func__, __LINE__, id, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->cb_color_bo[id])) { /* old ddx are broken they allocate bo with w*h*bpp but * program slice with ALIGN(h, 8), catch this and patch @@ -449,14 +449,14 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i */ if (!surf.mode) { uint32_t *ib = p->ib.ptr; - unsigned long tmp, nby, bsize, size, min = 0; + u64 tmp, nby, bsize, size, min = 0; /* find the height the ddx wants */ if (surf.nby > 8) { min = surf.nby - 8; } bsize = radeon_bo_size(track->cb_color_bo[id]); - tmp = track->cb_color_bo_offset[id] << 8; + tmp = (u64)track->cb_color_bo_offset[id] << 8; for (nby = surf.nby; nby > min; nby--) { size = nby * surf.nbx * surf.bpe * surf.nsamples; if ((tmp + size * mslice) <= bsize) { @@ -468,7 +468,7 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i slice = ((nby * surf.nbx) / 64) - 1; if (!evergreen_surface_check(p, &surf, "cb")) { /* check if this one works */ - tmp += surf.layer_size * mslice; + tmp += (u64)surf.layer_size * mslice; if (tmp <= bsize) { ib[track->cb_color_slice_idx[id]] = slice; goto old_ddx_ok; @@ -477,9 +477,9 @@ static int evergreen_cs_track_validate_cb(struct radeon_cs_parser *p, unsigned i } } dev_warn(p->dev, "%s:%d cb[%d] bo too small (layer size %d, " - "offset %d, max layer %d, bo size %ld, slice %d)\n", + "offset %llu, max layer %d, bo size %ld, slice %d)\n", __func__, __LINE__, id, surf.layer_size, - track->cb_color_bo_offset[id] << 8, mslice, + (u64)track->cb_color_bo_offset[id] << 8, mslice, radeon_bo_size(track->cb_color_bo[id]), slice); dev_warn(p->dev, "%s:%d problematic surf: (%d %d) (%d %d %d %d %d %d %d)\n", __func__, __LINE__, surf.nbx, surf.nby, @@ -563,7 +563,7 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1; @@ -609,18 +609,18 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) return r; } - offset = track->db_s_read_offset << 8; + offset = (u64)track->db_s_read_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil read bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_s_read_bo)) { dev_warn(p->dev, "%s:%d stencil read bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_s_read_offset << 8, mslice, + (u64)track->db_s_read_offset << 8, mslice, radeon_bo_size(track->db_s_read_bo)); dev_warn(p->dev, "%s:%d stencil invalid (0x%08x 0x%08x 0x%08x 0x%08x)\n", __func__, __LINE__, track->db_depth_size, @@ -628,18 +628,18 @@ static int evergreen_cs_track_validate_stencil(struct radeon_cs_parser *p) return -EINVAL; } - offset = track->db_s_write_offset << 8; + offset = (u64)track->db_s_write_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil write bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_s_write_bo)) { dev_warn(p->dev, "%s:%d stencil write bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_s_write_offset << 8, mslice, + (u64)track->db_s_write_offset << 8, mslice, radeon_bo_size(track->db_s_write_bo)); return -EINVAL; } @@ -660,7 +660,7 @@ static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p) struct evergreen_cs_track *track = p->track; struct eg_surface surf; unsigned pitch, slice, mslice; - unsigned long offset; + u64 offset; int r; mslice = G_028008_SLICE_MAX(track->db_depth_view) + 1; @@ -707,34 +707,34 @@ static int evergreen_cs_track_validate_depth(struct radeon_cs_parser *p) return r; } - offset = track->db_z_read_offset << 8; + offset = (u64)track->db_z_read_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil read bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil read bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_z_read_bo)) { dev_warn(p->dev, "%s:%d depth read bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_z_read_offset << 8, mslice, + (u64)track->db_z_read_offset << 8, mslice, radeon_bo_size(track->db_z_read_bo)); return -EINVAL; } - offset = track->db_z_write_offset << 8; + offset = (u64)track->db_z_write_offset << 8; if (offset & (surf.base_align - 1)) { - dev_warn(p->dev, "%s:%d stencil write bo base %ld not aligned with %ld\n", + dev_warn(p->dev, "%s:%d stencil write bo base %llu not aligned with %ld\n", __func__, __LINE__, offset, surf.base_align); return -EINVAL; } - offset += surf.layer_size * mslice; + offset += (u64)surf.layer_size * mslice; if (offset > radeon_bo_size(track->db_z_write_bo)) { dev_warn(p->dev, "%s:%d depth write bo too small (layer size %d, " - "offset %ld, max layer %d, bo size %ld)\n", + "offset %llu, max layer %d, bo size %ld)\n", __func__, __LINE__, surf.layer_size, - (unsigned long)track->db_z_write_offset << 8, mslice, + (u64)track->db_z_write_offset << 8, mslice, radeon_bo_size(track->db_z_write_bo)); return -EINVAL; } diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 15241b80e9d2..444a135158bd 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -999,45 +999,65 @@ static int r100_cp_init_microcode(struct radeon_device *rdev) DRM_DEBUG_KMS("\n"); - if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) || - (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) || - (rdev->family == CHIP_RS200)) { + switch (rdev->family) { + case CHIP_R100: + case CHIP_RV100: + case CHIP_RV200: + case CHIP_RS100: + case CHIP_RS200: DRM_INFO("Loading R100 Microcode\n"); fw_name = FIRMWARE_R100; - } else if ((rdev->family == CHIP_R200) || - (rdev->family == CHIP_RV250) || - (rdev->family == CHIP_RV280) || - (rdev->family == CHIP_RS300)) { + break; + + case CHIP_R200: + case CHIP_RV250: + case CHIP_RV280: + case CHIP_RS300: DRM_INFO("Loading R200 Microcode\n"); fw_name = FIRMWARE_R200; - } else if ((rdev->family == CHIP_R300) || - (rdev->family == CHIP_R350) || - (rdev->family == CHIP_RV350) || - (rdev->family == CHIP_RV380) || - (rdev->family == CHIP_RS400) || - (rdev->family == CHIP_RS480)) { + break; + + case CHIP_R300: + case CHIP_R350: + case CHIP_RV350: + case CHIP_RV380: + case CHIP_RS400: + case CHIP_RS480: DRM_INFO("Loading R300 Microcode\n"); fw_name = FIRMWARE_R300; - } else if ((rdev->family == CHIP_R420) || - (rdev->family == CHIP_R423) || - (rdev->family == CHIP_RV410)) { + break; + + case CHIP_R420: + case CHIP_R423: + case CHIP_RV410: DRM_INFO("Loading R400 Microcode\n"); fw_name = FIRMWARE_R420; - } else if ((rdev->family == CHIP_RS690) || - (rdev->family == CHIP_RS740)) { + break; + + case CHIP_RS690: + case CHIP_RS740: DRM_INFO("Loading RS690/RS740 Microcode\n"); fw_name = FIRMWARE_RS690; - } else if (rdev->family == CHIP_RS600) { + break; + + case CHIP_RS600: DRM_INFO("Loading RS600 Microcode\n"); fw_name = FIRMWARE_RS600; - } else if ((rdev->family == CHIP_RV515) || - (rdev->family == CHIP_R520) || - (rdev->family == CHIP_RV530) || - (rdev->family == CHIP_R580) || - (rdev->family == CHIP_RV560) || - (rdev->family == CHIP_RV570)) { + break; + + case CHIP_RV515: + case CHIP_R520: + case CHIP_RV530: + case CHIP_R580: + case CHIP_RV560: + case CHIP_RV570: DRM_INFO("Loading R500 Microcode\n"); fw_name = FIRMWARE_R520; + break; + + default: + DRM_ERROR("Unsupported Radeon family %u\n", rdev->family); + return -EINVAL; } err = request_firmware(&rdev->me_fw, fw_name, rdev->dev); diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 821b03d6142b..317843bd67d9 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1727,23 +1727,29 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record; if (fake_edid_record->ucFakeEDIDLength) { struct edid *edid; - int edid_size = - max((int)EDID_LENGTH, (int)fake_edid_record->ucFakeEDIDLength); - edid = kmalloc(edid_size, GFP_KERNEL); + int edid_size; + + if (fake_edid_record->ucFakeEDIDLength == 128) + edid_size = fake_edid_record->ucFakeEDIDLength; + else + edid_size = fake_edid_record->ucFakeEDIDLength * 128; + edid = kmemdup(&fake_edid_record->ucFakeEDIDString[0], + edid_size, GFP_KERNEL); if (edid) { - memcpy((u8 *)edid, (u8 *)&fake_edid_record->ucFakeEDIDString[0], - fake_edid_record->ucFakeEDIDLength); - if (drm_edid_is_valid(edid)) { rdev->mode_info.bios_hardcoded_edid = edid; rdev->mode_info.bios_hardcoded_edid_size = edid_size; - } else + } else { kfree(edid); + } } + record += struct_size(fake_edid_record, + ucFakeEDIDString, + edid_size); + } else { + /* empty fake edid record must be 3 bytes long */ + record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1; } - record += fake_edid_record->ucFakeEDIDLength ? - fake_edid_record->ucFakeEDIDLength + 2 : - sizeof(ATOM_FAKE_EDID_PATCH_RECORD); break; case LCD_PANEL_RESOLUTION_RECORD_TYPE: panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record; diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index c502d24b8253..63c4e16ec449 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -308,8 +308,8 @@ static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win, if (info->is_yuv) is_yuv = true; - if (dst_w > 3840) { - DRM_DEV_ERROR(vop->dev, "Maximum dst width (3840) exceeded\n"); + if (dst_w > 4096) { + DRM_DEV_ERROR(vop->dev, "Maximum dst width (4096) exceeded\n"); return; } diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c index f2021b23554d..dade0ecdfc1a 100644 --- a/drivers/gpu/drm/stm/drv.c +++ b/drivers/gpu/drm/stm/drv.c @@ -152,10 +152,12 @@ static int stm_drm_platform_probe(struct platform_device *pdev) ret = drm_dev_register(ddev, 0); if (ret) - goto err_put; + goto err_unload; return 0; +err_unload: + drv_unload(ddev); err_put: drm_dev_put(ddev); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index bf8c721ebfe9..77fba2867c4c 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1468,6 +1468,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, DRM_ERROR("Surface size cannot exceed %dx%d", dev_priv->texture_max_width, dev_priv->texture_max_height); + ret = -EINVAL; goto err_out; } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 3267e2da30e6..0cb25ecfb2a1 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -916,6 +916,8 @@ #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3220_SERIES 0xc056 #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3215_SERIES 0xc057 #define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3225_SERIES 0xc058 +#define USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3325_SERIES 0x430c +#define USB_DEVICE_ID_PLANTRONICS_ENCOREPRO_500_SERIES 0x431e #define USB_VENDOR_ID_PANASONIC 0x04da #define USB_DEVICE_ID_PANABOARD_UBT780 0x1044 diff --git a/drivers/hid/hid-plantronics.c b/drivers/hid/hid-plantronics.c index 3b75cadd543f..1f1716da4af1 100644 --- a/drivers/hid/hid-plantronics.c +++ b/drivers/hid/hid-plantronics.c @@ -41,8 +41,10 @@ (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) #define PLT_QUIRK_DOUBLE_VOLUME_KEYS BIT(0) +#define PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS BIT(1) #define PLT_DOUBLE_KEY_TIMEOUT 5 /* ms */ +#define PLT_FOLLOWED_OPPOSITE_KEY_TIMEOUT 220 /* ms */ struct plt_drv_data { unsigned long device_type; @@ -140,6 +142,21 @@ static int plantronics_event(struct hid_device *hdev, struct hid_field *field, drv_data->last_volume_key_ts = cur_ts; } + if (drv_data->quirks & PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS) { + unsigned long prev_ts, cur_ts; + + /* Usages are filtered in plantronics_usages. */ + + if (!value) /* Handle key presses only. */ + return 0; + + prev_ts = drv_data->last_volume_key_ts; + cur_ts = jiffies; + if (jiffies_to_msecs(cur_ts - prev_ts) <= PLT_FOLLOWED_OPPOSITE_KEY_TIMEOUT) + return 1; /* Ignore the followed opposite volume key. */ + + drv_data->last_volume_key_ts = cur_ts; + } return 0; } @@ -213,6 +230,12 @@ static const struct hid_device_id plantronics_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3225_SERIES), .driver_data = PLT_QUIRK_DOUBLE_VOLUME_KEYS }, + { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, + USB_DEVICE_ID_PLANTRONICS_BLACKWIRE_3325_SERIES), + .driver_data = PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS }, + { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, + USB_DEVICE_ID_PLANTRONICS_ENCOREPRO_500_SERIES), + .driver_data = PLT_QUIRK_FOLLOWED_OPPOSITE_VOLUME_KEYS }, { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) }, { } }; diff --git a/drivers/hwmon/max16065.c b/drivers/hwmon/max16065.c index 162401aaef71..3015dd1a7514 100644 --- a/drivers/hwmon/max16065.c +++ b/drivers/hwmon/max16065.c @@ -117,9 +117,10 @@ static inline int LIMIT_TO_MV(int limit, int range) return limit * range / 256; } -static inline int MV_TO_LIMIT(int mv, int range) +static inline int MV_TO_LIMIT(unsigned long mv, int range) { - return clamp_val(DIV_ROUND_CLOSEST(mv * 256, range), 0, 255); + mv = clamp_val(mv, 0, ULONG_MAX / 256); + return DIV_ROUND_CLOSEST(clamp_val(mv * 256, 0, range * 255), range); } static inline int ADC_TO_CURR(int adc, int gain) diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index c52d07c6b49f..6e4c1453b8ab 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -57,6 +57,7 @@ static const struct platform_device_id ntc_thermistor_id[] = { { "ncp15xh103", TYPE_NCPXXXH103 }, { }, }; +MODULE_DEVICE_TABLE(platform, ntc_thermistor_id); /* * A compensation table should be sorted by the values of .ohm diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index 8f850c22be41..99344e9daf5d 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -222,6 +222,7 @@ void tmc_free_sg_table(struct tmc_sg_table *sg_table) { tmc_free_table_pages(sg_table); tmc_free_data_pages(sg_table); + kfree(sg_table); } /* @@ -302,7 +303,6 @@ struct tmc_sg_table *tmc_alloc_sg_table(struct device *dev, rc = tmc_alloc_table_pages(sg_table); if (rc) { tmc_free_sg_table(sg_table); - kfree(sg_table); return ERR_PTR(rc); } diff --git a/drivers/i2c/busses/i2c-aspeed.c b/drivers/i2c/busses/i2c-aspeed.c index d9401b519106..d142e951bf98 100644 --- a/drivers/i2c/busses/i2c-aspeed.c +++ b/drivers/i2c/busses/i2c-aspeed.c @@ -159,6 +159,13 @@ struct aspeed_i2c_bus { static int aspeed_i2c_reset(struct aspeed_i2c_bus *bus); +/* precondition: bus.lock has been acquired. */ +static void aspeed_i2c_do_stop(struct aspeed_i2c_bus *bus) +{ + bus->master_state = ASPEED_I2C_MASTER_STOP; + writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); +} + static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) { unsigned long time_left, flags; @@ -176,7 +183,7 @@ static int aspeed_i2c_recover_bus(struct aspeed_i2c_bus *bus) command); reinit_completion(&bus->cmd_complete); - writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); + aspeed_i2c_do_stop(bus); spin_unlock_irqrestore(&bus->lock, flags); time_left = wait_for_completion_timeout( @@ -350,13 +357,6 @@ static void aspeed_i2c_do_start(struct aspeed_i2c_bus *bus) writel(command, bus->base + ASPEED_I2C_CMD_REG); } -/* precondition: bus.lock has been acquired. */ -static void aspeed_i2c_do_stop(struct aspeed_i2c_bus *bus) -{ - bus->master_state = ASPEED_I2C_MASTER_STOP; - writel(ASPEED_I2CD_M_STOP_CMD, bus->base + ASPEED_I2C_CMD_REG); -} - /* precondition: bus.lock has been acquired. */ static void aspeed_i2c_next_msg_or_stop(struct aspeed_i2c_bus *bus) { diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index c1e2539b7950..b552f8d62fa2 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1674,8 +1674,15 @@ static int i801_probe(struct pci_dev *dev, const struct pci_device_id *id) i801_add_tco(priv); + /* + * adapter.name is used by platform code to find the main I801 adapter + * to instantiante i2c_clients, do not change. + */ snprintf(priv->adapter.name, sizeof(priv->adapter.name), - "SMBus I801 adapter at %04lx", priv->smba); + "SMBus %s adapter at %04lx", + (priv->features & FEATURE_IDF) ? "I801 IDF" : "I801", + priv->smba); + err = i2c_add_adapter(&priv->adapter); if (err) { platform_device_unregister(priv->tco_pdev); diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c index 5c754bf659e2..94b18f864849 100644 --- a/drivers/i2c/busses/i2c-isch.c +++ b/drivers/i2c/busses/i2c-isch.c @@ -107,8 +107,7 @@ static int sch_transaction(void) if (retries > MAX_RETRIES) { dev_err(&sch_adapter.dev, "SMBus Timeout!\n"); result = -ETIMEDOUT; - } - if (temp & 0x04) { + } else if (temp & 0x04) { result = -EIO; dev_dbg(&sch_adapter.dev, "Bus collision! SMBus may be " "locked until next hard reset. (sorry!)\n"); diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index c1f85114ab81..bf0f86a47dd0 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -478,14 +478,17 @@ static irqreturn_t xiic_process(int irq, void *dev_id) goto out; } - xiic_fill_tx_fifo(i2c); - - /* current message sent and there is space in the fifo */ - if (!xiic_tx_space(i2c) && xiic_tx_fifo_space(i2c) >= 2) { + if (xiic_tx_space(i2c)) { + xiic_fill_tx_fifo(i2c); + } else { + /* current message fully written */ dev_dbg(i2c->adap.dev.parent, "%s end of message sent, nmsgs: %d\n", __func__, i2c->nmsgs); - if (i2c->nmsgs > 1) { + /* Don't move onto the next message until the TX FIFO empties, + * to ensure that a NAK is not missed. + */ + if (i2c->nmsgs > 1 && (pend & XIIC_INTR_TX_EMPTY_MASK)) { i2c->nmsgs--; i2c->tx_msg++; xfer_more = 1; @@ -496,11 +499,7 @@ static irqreturn_t xiic_process(int irq, void *dev_id) "%s Got TX IRQ but no more to do...\n", __func__); } - } else if (!xiic_tx_space(i2c) && (i2c->nmsgs == 1)) - /* current frame is sent and is last, - * make sure to disable tx half - */ - xiic_irq_dis(i2c, XIIC_INTR_TX_HALF_MASK); + } } out: dev_dbg(i2c->adap.dev.parent, "%s clr: 0x%x\n", __func__, clr); diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig index 1dabd366ec0b..ef2eb0588aae 100644 --- a/drivers/iio/adc/Kconfig +++ b/drivers/iio/adc/Kconfig @@ -852,6 +852,8 @@ config TI_ADS7950 config TI_ADS8688 tristate "Texas Instruments ADS8688" depends on SPI && OF + select IIO_BUFFER + select IIO_TRIGGERED_BUFFER help If you say yes here you get support for Texas Instruments ADS8684 and and ADS8688 ADC chips diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index 1e10c0af2f2c..3a9bb226d6ac 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -46,7 +46,7 @@ static ssize_t _hid_sensor_set_report_latency(struct device *dev, latency = integer * 1000 + fract / 1000; ret = hid_sensor_set_report_latency(attrb, latency); if (ret < 0) - return len; + return ret; attrb->latency_ms = hid_sensor_get_report_latency(attrb); diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index 69f4cfa6494b..8a27d105cc06 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -335,6 +335,7 @@ config STM32_DAC config STM32_DAC_CORE tristate + select REGMAP_MMIO config TI_DAC082S085 tristate "Texas Instruments 8/10/12-bit 2/4-channel DAC driver" diff --git a/drivers/iio/light/opt3001.c b/drivers/iio/light/opt3001.c index 162eff78c673..8a4499f07668 100644 --- a/drivers/iio/light/opt3001.c +++ b/drivers/iio/light/opt3001.c @@ -145,6 +145,10 @@ static const struct opt3001_scale opt3001_scales[] = { .val = 20966, .val2 = 400000, }, + { + .val = 41932, + .val2 = 800000, + }, { .val = 83865, .val2 = 600000, diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c index 3303feb54984..a2bd9e10235a 100644 --- a/drivers/iio/magnetometer/ak8975.c +++ b/drivers/iio/magnetometer/ak8975.c @@ -673,22 +673,8 @@ static int ak8975_start_read_axis(struct ak8975_data *data, if (ret < 0) return ret; - /* This will be executed only for non-interrupt based waiting case */ - if (ret & data->def->ctrl_masks[ST1_DRDY]) { - ret = i2c_smbus_read_byte_data(client, - data->def->ctrl_regs[ST2]); - if (ret < 0) { - dev_err(&client->dev, "Error in reading ST2\n"); - return ret; - } - if (ret & (data->def->ctrl_masks[ST2_DERR] | - data->def->ctrl_masks[ST2_HOFL])) { - dev_err(&client->dev, "ST2 status error 0x%x\n", ret); - return -EINVAL; - } - } - - return 0; + /* Return with zero if the data is ready. */ + return !data->def->ctrl_regs[ST1_DRDY]; } /* Retrieve raw flux value for one of the x, y, or z axis. */ @@ -715,6 +701,20 @@ static int ak8975_read_axis(struct iio_dev *indio_dev, int index, int *val) if (ret < 0) goto exit; + /* Read out ST2 for release lock on measurment data. */ + ret = i2c_smbus_read_byte_data(client, data->def->ctrl_regs[ST2]); + if (ret < 0) { + dev_err(&client->dev, "Error in reading ST2\n"); + goto exit; + } + + if (ret & (data->def->ctrl_masks[ST2_DERR] | + data->def->ctrl_masks[ST2_HOFL])) { + dev_err(&client->dev, "ST2 status error 0x%x\n", ret); + ret = -EINVAL; + goto exit; + } + mutex_unlock(&data->lock); pm_runtime_mark_last_busy(&data->client->dev); diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index 84fa7b727a2b..6070488850ed 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -1178,7 +1178,7 @@ static int __init iw_cm_init(void) if (ret) return ret; - iwcm_wq = alloc_ordered_workqueue("iw_cm_wq", 0); + iwcm_wq = alloc_ordered_workqueue("iw_cm_wq", WQ_MEM_RECLAIM); if (!iwcm_wq) goto err_alloc; diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h index d0b24e961511..aed0c53d84be 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h @@ -150,7 +150,7 @@ struct bnxt_qplib_swqe { }; u32 q_key; u32 dst_qp; - u16 avid; + u32 avid; } send; /* Send Raw Ethernet and QP1 */ diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 8b3b5fdc19bb..092cc11428f5 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -234,7 +234,7 @@ int bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, /* failed with status */ dev_err(&rcfw->pdev->dev, "QPLIB: cmdq[%#x]=%#x status %#x", cookie, opcode, evnt->status); - rc = -EFAULT; + rc = -EIO; } return rc; diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index e8d2135df22d..81b5b009a0dd 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1180,6 +1180,8 @@ static int act_establish(struct c4iw_dev *dev, struct sk_buff *skb) int ret; ep = lookup_atid(t, atid); + if (!ep) + return -EINVAL; pr_debug("ep %p tid %u snd_isn %u rcv_isn %u\n", ep, tid, be32_to_cpu(req->snd_isn), be32_to_cpu(req->rcv_isn)); @@ -2041,7 +2043,7 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, err = -ENOMEM; if (n->dev->flags & IFF_LOOPBACK) { if (iptype == 4) - pdev = ip_dev_find(&init_net, *(__be32 *)peer_ip); + pdev = __ip_dev_find(&init_net, *(__be32 *)peer_ip, false); else if (IS_ENABLED(CONFIG_IPV6)) for_each_netdev(&init_net, pdev) { if (ipv6_chk_addr(&init_net, @@ -2056,12 +2058,12 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, err = -ENODEV; goto out; } + if (is_vlan_dev(pdev)) + pdev = vlan_dev_real_dev(pdev); ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, n, pdev, rt_tos2priority(tos)); - if (!ep->l2t) { - dev_put(pdev); + if (!ep->l2t) goto out; - } ep->mtu = pdev->mtu; ep->tx_chan = cxgb4_port_chan(pdev); ep->smac_idx = cxgb4_tp_smt_idx(adapter_type, @@ -2075,7 +2077,6 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, ep->rss_qid = cdev->rdev.lldi.rxq_ids[ cxgb4_port_idx(pdev) * step]; set_tcp_window(ep, (struct port_info *)netdev_priv(pdev)); - dev_put(pdev); } else { pdev = get_real_dev(n->dev); ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, @@ -2235,6 +2236,9 @@ static int act_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb) int ret = 0; ep = lookup_atid(t, atid); + if (!ep) + return -EINVAL; + la = (struct sockaddr_in *)&ep->com.local_addr; ra = (struct sockaddr_in *)&ep->com.remote_addr; la6 = (struct sockaddr_in6 *)&ep->com.local_addr; diff --git a/drivers/input/keyboard/adp5589-keys.c b/drivers/input/keyboard/adp5589-keys.c index 2835fba71c33..482b214feaab 100644 --- a/drivers/input/keyboard/adp5589-keys.c +++ b/drivers/input/keyboard/adp5589-keys.c @@ -390,10 +390,17 @@ static int adp5589_gpio_get_value(struct gpio_chip *chip, unsigned off) struct adp5589_kpad *kpad = gpiochip_get_data(chip); unsigned int bank = kpad->var->bank(kpad->gpiomap[off]); unsigned int bit = kpad->var->bit(kpad->gpiomap[off]); + int val; - return !!(adp5589_read(kpad->client, - kpad->var->reg(ADP5589_GPI_STATUS_A) + bank) & - bit); + mutex_lock(&kpad->gpio_lock); + if (kpad->dir[bank] & bit) + val = kpad->dat_out[bank]; + else + val = adp5589_read(kpad->client, + kpad->var->reg(ADP5589_GPI_STATUS_A) + bank); + mutex_unlock(&kpad->gpio_lock); + + return !!(val & bit); } static void adp5589_gpio_set_value(struct gpio_chip *chip, diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c index 0da814b41e72..75cd4c813cbb 100644 --- a/drivers/input/rmi4/rmi_driver.c +++ b/drivers/input/rmi4/rmi_driver.c @@ -981,12 +981,12 @@ static int rmi_driver_remove(struct device *dev) rmi_disable_irq(rmi_dev, false); - irq_domain_remove(data->irqdomain); - data->irqdomain = NULL; - rmi_f34_remove_sysfs(rmi_dev); rmi_free_function_list(rmi_dev); + irq_domain_remove(data->irqdomain); + data->irqdomain = NULL; + return 0; } diff --git a/drivers/mailbox/bcm2835-mailbox.c b/drivers/mailbox/bcm2835-mailbox.c index e92bbc533821..9466cb007629 100644 --- a/drivers/mailbox/bcm2835-mailbox.c +++ b/drivers/mailbox/bcm2835-mailbox.c @@ -152,7 +152,8 @@ static int bcm2835_mbox_probe(struct platform_device *pdev) spin_lock_init(&mbox->lock); ret = devm_request_irq(dev, irq_of_parse_and_map(dev->of_node, 0), - bcm2835_mbox_irq, 0, dev_name(dev), mbox); + bcm2835_mbox_irq, IRQF_NO_SUSPEND, dev_name(dev), + mbox); if (ret) { dev_err(dev, "Failed to register a mailbox IRQ handler: %d\n", ret); diff --git a/drivers/mailbox/rockchip-mailbox.c b/drivers/mailbox/rockchip-mailbox.c index d702a204f5c1..bf09ab923d1e 100644 --- a/drivers/mailbox/rockchip-mailbox.c +++ b/drivers/mailbox/rockchip-mailbox.c @@ -167,7 +167,7 @@ static const struct of_device_id rockchip_mbox_of_match[] = { { .compatible = "rockchip,rk3368-mailbox", .data = &rk3368_drv_data}, { }, }; -MODULE_DEVICE_TABLE(of, rockchp_mbox_of_match); +MODULE_DEVICE_TABLE(of, rockchip_mbox_of_match); static int rockchip_mbox_probe(struct platform_device *pdev) { diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index 50015a2ea5ce..98719aa986bb 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -281,6 +281,10 @@ static void __vb2_plane_dmabuf_put(struct vb2_buffer *vb, struct vb2_plane *p) p->mem_priv = NULL; p->dbuf = NULL; p->dbuf_mapped = 0; + p->bytesused = 0; + p->length = 0; + p->m.fd = 0; + p->data_offset = 0; } /* @@ -1169,10 +1173,6 @@ static int __prepare_dmabuf(struct vb2_buffer *vb, const void *pb) /* Release previously acquired memory if present */ __vb2_plane_dmabuf_put(vb, &vb->planes[plane]); - vb->planes[plane].bytesused = 0; - vb->planes[plane].length = 0; - vb->planes[plane].m.fd = 0; - vb->planes[plane].data_offset = 0; /* Acquire each plane's memory */ mem_priv = call_ptr_memop(vb, attach_dmabuf, diff --git a/drivers/media/dvb-frontends/rtl2830.c b/drivers/media/dvb-frontends/rtl2830.c index c0659568471b..8cda25902d63 100644 --- a/drivers/media/dvb-frontends/rtl2830.c +++ b/drivers/media/dvb-frontends/rtl2830.c @@ -619,7 +619,7 @@ static int rtl2830_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, int on index, pid, onoff); /* skip invalid PIDs (0x2000) */ - if (pid > 0x1fff || index > 32) + if (pid > 0x1fff || index >= 32) return 0; if (onoff) diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 7cad4e985315..608bd2a81633 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -995,7 +995,7 @@ static int rtl2832_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, index, pid, onoff, dev->slave_ts); /* skip invalid PIDs (0x2000) */ - if (pid > 0x1fff || index > 32) + if (pid > 0x1fff || index >= 32) return 0; if (onoff) diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c index 168f5af6abcc..b661769445e5 100644 --- a/drivers/media/platform/qcom/venus/core.c +++ b/drivers/media/platform/qcom/venus/core.c @@ -348,6 +348,7 @@ static int venus_remove(struct platform_device *pdev) struct device *dev = core->dev; int ret; + cancel_delayed_work_sync(&core->work); ret = pm_runtime_get_sync(dev); WARN_ON(ret < 0); diff --git a/drivers/misc/sgi-gru/grukservices.c b/drivers/misc/sgi-gru/grukservices.c index 030769018461..256be2e12faa 100644 --- a/drivers/misc/sgi-gru/grukservices.c +++ b/drivers/misc/sgi-gru/grukservices.c @@ -270,7 +270,6 @@ static int gru_get_cpu_resources(int dsr_bytes, void **cb, void **dsr) int lcpu; BUG_ON(dsr_bytes > GRU_NUM_KERNEL_DSR_BYTES); - preempt_disable(); bs = gru_lock_kernel_context(-1); lcpu = uv_blade_processor_id(); *cb = bs->kernel_cb + lcpu * GRU_HANDLE_STRIDE; @@ -284,7 +283,6 @@ static int gru_get_cpu_resources(int dsr_bytes, void **cb, void **dsr) static void gru_free_cpu_resources(void *cb, void *dsr) { gru_unlock_kernel_context(uv_numa_blade_id()); - preempt_enable(); } /* diff --git a/drivers/misc/sgi-gru/grumain.c b/drivers/misc/sgi-gru/grumain.c index 8c3e0317c115..cb4c97210ec3 100644 --- a/drivers/misc/sgi-gru/grumain.c +++ b/drivers/misc/sgi-gru/grumain.c @@ -954,10 +954,8 @@ vm_fault_t gru_fault(struct vm_fault *vmf) again: mutex_lock(>s->ts_ctxlock); - preempt_disable(); if (gru_check_context_placement(gts)) { - preempt_enable(); mutex_unlock(>s->ts_ctxlock); gru_unload_context(gts, 1); return VM_FAULT_NOPAGE; @@ -966,7 +964,6 @@ vm_fault_t gru_fault(struct vm_fault *vmf) if (!gts->ts_gru) { STAT(load_user_context); if (!gru_assign_gru_context(gts)) { - preempt_enable(); mutex_unlock(>s->ts_ctxlock); set_current_state(TASK_INTERRUPTIBLE); schedule_timeout(GRU_ASSIGN_DELAY); /* true hack ZZZ */ @@ -982,7 +979,6 @@ vm_fault_t gru_fault(struct vm_fault *vmf) vma->vm_page_prot); } - preempt_enable(); mutex_unlock(>s->ts_ctxlock); return VM_FAULT_NOPAGE; diff --git a/drivers/misc/sgi-gru/grutlbpurge.c b/drivers/misc/sgi-gru/grutlbpurge.c index be28f05bfafa..0f837cc3a417 100644 --- a/drivers/misc/sgi-gru/grutlbpurge.c +++ b/drivers/misc/sgi-gru/grutlbpurge.c @@ -78,7 +78,6 @@ static struct gru_tlb_global_handle *get_lock_tgh_handle(struct gru_state struct gru_tlb_global_handle *tgh; int n; - preempt_disable(); if (uv_numa_blade_id() == gru->gs_blade_id) n = get_on_blade_tgh(gru); else @@ -92,7 +91,6 @@ static struct gru_tlb_global_handle *get_lock_tgh_handle(struct gru_state static void get_unlock_tgh_handle(struct gru_tlb_global_handle *tgh) { unlock_tgh_handle(tgh); - preempt_enable(); } /* diff --git a/drivers/mtd/devices/slram.c b/drivers/mtd/devices/slram.c index 10183ee4e12b..aa4f73aef362 100644 --- a/drivers/mtd/devices/slram.c +++ b/drivers/mtd/devices/slram.c @@ -295,10 +295,12 @@ static int __init init_slram(void) T("slram: devname = %s\n", devname); if ((!map) || (!(devstart = strsep(&map, ",")))) { E("slram: No devicestart specified.\n"); + break; } T("slram: devstart = %s\n", devstart); if ((!map) || (!(devlength = strsep(&map, ",")))) { E("slram: No devicelength / -end specified.\n"); + break; } T("slram: devlength = %s\n", devlength); if (parse_cmdline(devname, devstart, devlength) != 0) { diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c b/drivers/net/dsa/mv88e6xxx/global1_atu.c index ea243840ee0f..aca35c9d9fbd 100644 --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c @@ -363,7 +363,8 @@ static irqreturn_t mv88e6xxx_g1_atu_prob_irq_thread_fn(int irq, void *dev_id) dev_err_ratelimited(chip->dev, "ATU full violation for %pM portvec %x spid %d\n", entry.mac, entry.portvec, spid); - chip->ports[spid].atu_full_violation++; + if (spid < ARRAY_SIZE(chip->ports)) + chip->ports[spid].atu_full_violation++; } mutex_unlock(&chip->reg_lock); diff --git a/drivers/net/ethernet/aeroflex/greth.c b/drivers/net/ethernet/aeroflex/greth.c index 4df8da8f5e7e..59690330d81c 100644 --- a/drivers/net/ethernet/aeroflex/greth.c +++ b/drivers/net/ethernet/aeroflex/greth.c @@ -488,7 +488,7 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) if (unlikely(skb->len > MAX_FRAME_SIZE)) { dev->stats.tx_errors++; - goto out; + goto len_error; } /* Save skb pointer. */ @@ -579,6 +579,7 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) map_error: if (net_ratelimit()) dev_warn(greth->dev, "Could not create TX DMA mapping\n"); +len_error: dev_kfree_skb(skb); out: return err; diff --git a/drivers/net/ethernet/amd/mvme147.c b/drivers/net/ethernet/amd/mvme147.c index 0a920448522f..0bb27f4dd642 100644 --- a/drivers/net/ethernet/amd/mvme147.c +++ b/drivers/net/ethernet/amd/mvme147.c @@ -105,10 +105,6 @@ struct net_device * __init mvme147lance_probe(int unit) address = address >> 8; dev->dev_addr[3] = address&0xff; - printk("%s: MVME147 at 0x%08lx, irq %d, Hardware Address %pM\n", - dev->name, dev->base_addr, MVME147_LANCE_IRQ, - dev->dev_addr); - lp = netdev_priv(dev); lp->ram = __get_dma_pages(GFP_ATOMIC, 3); /* 32K */ if (!lp->ram) { @@ -138,6 +134,9 @@ struct net_device * __init mvme147lance_probe(int unit) return ERR_PTR(err); } + netdev_info(dev, "MVME147 at 0x%08lx, irq %d, Hardware Address %pM\n", + dev->base_addr, MVME147_LANCE_IRQ, dev->dev_addr); + return dev; } diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index b3fc8745b580..55b869f5c825 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1319,6 +1319,7 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, netif_err(priv, tx_err, dev, "DMA map failed at %p (len=%d)\n", skb->data, skb_len); ret = NETDEV_TX_OK; + dev_kfree_skb_any(skb); goto out; } diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index d464dec9825a..556600e425b3 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -81,8 +81,7 @@ MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)"); #define GMAC0_IRQ4_8 (GMAC0_MIB_INT_BIT | GMAC0_RX_OVERRUN_INT_BIT) #define GMAC_OFFLOAD_FEATURES (NETIF_F_SG | NETIF_F_IP_CSUM | \ - NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | \ - NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6) + NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM) /** * struct gmac_queue_page - page buffer per-page info @@ -1156,23 +1155,13 @@ static int gmac_map_tx_bufs(struct net_device *netdev, struct sk_buff *skb, struct gmac_txdesc *txd; skb_frag_t *skb_frag; dma_addr_t mapping; - unsigned short mtu; void *buffer; int ret; - mtu = ETH_HLEN; - mtu += netdev->mtu; - if (skb->protocol == htons(ETH_P_8021Q)) - mtu += VLAN_HLEN; - + /* TODO: implement proper TSO using MTU in word3 */ word1 = skb->len; word3 = SOF_BIT; - if (word1 > mtu) { - word1 |= TSS_MTU_ENABLE_BIT; - word3 |= mtu; - } - if (skb->len >= ETH_FRAME_LEN) { /* Hardware offloaded checksumming isn't working on frames * bigger than 1514 bytes. A hypothesis about this is that the diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index d0d9a420f557..8215bd1ca022 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -1386,10 +1386,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) be_get_wrb_params_from_skb(adapter, skb, &wrb_params); wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params); - if (unlikely(!wrb_cnt)) { - dev_kfree_skb_any(skb); - goto drop; - } + if (unlikely(!wrb_cnt)) + goto drop_skb; /* if os2bmc is enabled and if the pkt is destined to bmc, * enqueue the pkt a 2nd time with mgmt bit set. @@ -1398,7 +1396,7 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) BE_WRB_F_SET(wrb_params.features, OS2BMC, 1); wrb_cnt = be_xmit_enqueue(adapter, txo, skb, &wrb_params); if (unlikely(!wrb_cnt)) - goto drop; + goto drop_skb; else skb_get(skb); } @@ -1412,6 +1410,8 @@ static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) be_xmit_flush(adapter, txo); return NETDEV_TX_OK; +drop_skb: + dev_kfree_skb_any(skb); drop: tx_stats(txo)->tx_drv_drops++; /* Flush the already enqueued tx requests */ diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 23c019d1278c..f6ed8d167d53 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -579,7 +579,7 @@ static bool ftgmac100_rx_packet(struct ftgmac100 *priv, int *processed) (*processed)++; return true; - drop: +drop: /* Clean rxdes0 (which resets own bit) */ rxdes->rxdes0 = cpu_to_le32(status & priv->rxdes0_edorr_mask); priv->rx_pointer = ftgmac100_next_rx_pointer(priv, pointer); @@ -663,6 +663,11 @@ static bool ftgmac100_tx_complete_packet(struct ftgmac100 *priv) ftgmac100_free_tx_packet(priv, pointer, skb, txdes, ctl_stat); txdes->txdes0 = cpu_to_le32(ctl_stat & priv->txdes0_edotr_mask); + /* Ensure the descriptor config is visible before setting the tx + * pointer. + */ + smp_wmb(); + priv->tx_clean_pointer = ftgmac100_next_tx_pointer(priv, pointer); return true; @@ -816,6 +821,11 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, dma_wmb(); first->txdes0 = cpu_to_le32(f_ctl_stat); + /* Ensure the descriptor config is visible before setting the tx + * pointer. + */ + smp_wmb(); + /* Update next TX pointer */ priv->tx_pointer = pointer; @@ -836,7 +846,7 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; - dma_err: +dma_err: if (net_ratelimit()) netdev_err(netdev, "map tx fragment failed\n"); @@ -858,7 +868,7 @@ static netdev_tx_t ftgmac100_hard_start_xmit(struct sk_buff *skb, * last fragment, so we know ftgmac100_free_tx_packet() * hasn't freed the skb yet. */ - drop: +drop: /* Drop the packet */ dev_kfree_skb_any(skb); netdev->stats.tx_dropped++; @@ -1444,7 +1454,7 @@ static void ftgmac100_reset_task(struct work_struct *work) ftgmac100_init_all(priv, true); netdev_dbg(netdev, "Reset done !\n"); - bail: +bail: if (priv->mii_bus) mutex_unlock(&priv->mii_bus->mdio_lock); if (netdev->phydev) @@ -1515,15 +1525,15 @@ static int ftgmac100_open(struct net_device *netdev) return 0; - err_ncsi: +err_ncsi: napi_disable(&priv->napi); netif_stop_queue(netdev); - err_alloc: +err_alloc: ftgmac100_free_buffers(priv); free_irq(netdev->irq, netdev); - err_irq: +err_irq: netif_napi_del(&priv->napi); - err_hw: +err_hw: iowrite32(0, priv->base + FTGMAC100_OFFSET_IER); ftgmac100_free_rings(priv); return err; diff --git a/drivers/net/ethernet/faraday/ftgmac100.h b/drivers/net/ethernet/faraday/ftgmac100.h index 0653d8176e6a..6349e7c7c074 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.h +++ b/drivers/net/ethernet/faraday/ftgmac100.h @@ -97,7 +97,7 @@ FTGMAC100_INT_RPKT_BUF) /* All the interrupts we care about */ -#define FTGMAC100_INT_ALL (FTGMAC100_INT_RPKT_BUF | \ +#define FTGMAC100_INT_ALL (FTGMAC100_INT_RXTX | \ FTGMAC100_INT_BAD) /* diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c index 4b21ae27a9fd..5c60f2a2b6d8 100644 --- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c @@ -2055,12 +2055,12 @@ static netdev_tx_t dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) { const int queue_mapping = skb_get_queue_mapping(skb); - bool nonlinear = skb_is_nonlinear(skb); struct rtnl_link_stats64 *percpu_stats; struct dpaa_percpu_priv *percpu_priv; struct netdev_queue *txq; struct dpaa_priv *priv; struct qm_fd fd; + bool nonlinear; int offset = 0; int err = 0; @@ -2070,6 +2070,13 @@ dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev) qm_fd_clear_fd(&fd); + /* Packet data is always read as 32-bit words, so zero out any part of + * the skb which might be sent if we have to pad the packet + */ + if (__skb_put_padto(skb, ETH_ZLEN, false)) + goto enomem; + + nonlinear = skb_is_nonlinear(skb); if (!nonlinear) { /* We're going to store the skb backpointer at the beginning * of the data buffer, so we need a privately owned skb diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index 718afa4be2a0..c0ca12dd5f15 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -861,6 +861,7 @@ static int hip04_mac_probe(struct platform_device *pdev) priv->tx_coalesce_timer.function = tx_done; priv->map = syscon_node_to_regmap(arg.np); + of_node_put(arg.np); if (IS_ERR(priv->map)) { dev_warn(d, "no syscon hisilicon,hip04-ppe\n"); ret = PTR_ERR(priv->map); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index d2791bcff5d4..5ee4317e5a52 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -937,6 +937,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) mac_cb->cpld_ctrl = NULL; } else { syscon = syscon_node_to_regmap(cpld_args.np); + of_node_put(cpld_args.np); if (IS_ERR_OR_NULL(syscon)) { dev_dbg(mac_cb->dev, "no cpld-syscon found!\n"); mac_cb->cpld_ctrl = NULL; diff --git a/drivers/net/ethernet/hisilicon/hns_mdio.c b/drivers/net/ethernet/hisilicon/hns_mdio.c index 9a3bc0994a1d..b0f798042e41 100644 --- a/drivers/net/ethernet/hisilicon/hns_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns_mdio.c @@ -508,6 +508,7 @@ static int hns_mdio_probe(struct platform_device *pdev) MDIO_SC_RESET_ST; } } + of_node_put(reg_args.np); } else { dev_warn(&pdev->dev, "find syscon ret = %#x\n", ret); mdio_dev->subctrl_vbase = NULL; diff --git a/drivers/net/ethernet/i825xx/sun3_82586.c b/drivers/net/ethernet/i825xx/sun3_82586.c index e0c9fee4e1e6..7948d59b9628 100644 --- a/drivers/net/ethernet/i825xx/sun3_82586.c +++ b/drivers/net/ethernet/i825xx/sun3_82586.c @@ -1015,6 +1015,7 @@ sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev) if(skb->len > XMIT_BUFF_SIZE) { printk("%s: Sorry, max. framelength is %d bytes. The length of your frame is %d bytes.\n",dev->name,XMIT_BUFF_SIZE,skb->len); + dev_kfree_skb(skb); return NETDEV_TX_OK; } diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c index fff09dcf9e34..9b3ba4db3222 100644 --- a/drivers/net/ethernet/ibm/emac/mal.c +++ b/drivers/net/ethernet/ibm/emac/mal.c @@ -581,7 +581,7 @@ static int mal_probe(struct platform_device *ofdev) printk(KERN_ERR "%pOF: Support for 405EZ not enabled!\n", ofdev->dev.of_node); err = -ENODEV; - goto fail; + goto fail_unmap; #endif } diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 01138fc93ea1..3a65dccc08ba 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -9151,6 +9151,10 @@ static void igb_io_resume(struct pci_dev *pdev) struct igb_adapter *adapter = netdev_priv(netdev); if (netif_running(netdev)) { + if (!test_bit(__IGB_DOWN, &adapter->state)) { + dev_dbg(&pdev->dev, "Resuming from non-fatal error, do nothing.\n"); + return; + } if (igb_up(adapter)) { dev_err(&pdev->dev, "igb_up failed after reset\n"); return; diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index a5ab6f3403ae..9b2471b2a955 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -966,15 +966,13 @@ jme_udpsum(struct sk_buff *skb) if (skb->protocol != htons(ETH_P_IP)) return csum; skb_set_network_header(skb, ETH_HLEN); - if ((ip_hdr(skb)->protocol != IPPROTO_UDP) || - (skb->len < (ETH_HLEN + - (ip_hdr(skb)->ihl << 2) + - sizeof(struct udphdr)))) { + + if (ip_hdr(skb)->protocol != IPPROTO_UDP || + skb->len < (ETH_HLEN + ip_hdrlen(skb) + sizeof(struct udphdr))) { skb_reset_network_header(skb); return csum; } - skb_set_transport_header(skb, - ETH_HLEN + (ip_hdr(skb)->ihl << 2)); + skb_set_transport_header(skb, ETH_HLEN + ip_hdrlen(skb)); csum = udp_hdr(skb)->check; skb_reset_transport_header(skb); skb_reset_network_header(skb); diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index b41822d08649..d492b8899d32 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -478,7 +478,9 @@ ltq_etop_tx(struct sk_buff *skb, struct net_device *dev) unsigned long flags; u32 byte_offset; - len = skb->len < ETH_ZLEN ? ETH_ZLEN : skb->len; + if (skb_put_padto(skb, ETH_ZLEN)) + return NETDEV_TX_OK; + len = skb->len; if ((desc->ctl & (LTQ_DMA_OWN | LTQ_DMA_C)) || ch->skb[ch->dma.desc]) { netdev_err(dev, "tx ring full\n"); diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h index 23f60bc5d48f..57fbfef33665 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2.h +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2.h @@ -756,7 +756,7 @@ struct mvpp2 { unsigned int max_port_rxqs; /* Workqueue to gather hardware statistics */ - char queue_name[30]; + char queue_name[31]; struct workqueue_struct *stats_queue; /* Debugfs root entry */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index e09bd059984e..908984464c13 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1642,6 +1642,8 @@ static const struct pci_device_id mlx5_core_pci_table[] = { { PCI_VDEVICE(MELLANOX, 0x101a), MLX5_PCI_DEV_IS_VF}, /* ConnectX-5 Ex VF */ { PCI_VDEVICE(MELLANOX, 0x101b) }, /* ConnectX-6 */ { PCI_VDEVICE(MELLANOX, 0x101c), MLX5_PCI_DEV_IS_VF}, /* ConnectX-6 VF */ + { PCI_VDEVICE(MELLANOX, 0x101d) }, /* ConnectX-6 Dx */ + { PCI_VDEVICE(MELLANOX, 0x101e), MLX5_PCI_DEV_IS_VF}, /* ConnectX Family mlx5Gen Virtual Function */ { PCI_VDEVICE(MELLANOX, 0xa2d2) }, /* BlueField integrated ConnectX-5 network controller */ { PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF}, /* BlueField integrated ConnectX-5 network controller VF */ { PCI_VDEVICE(MELLANOX, 0xa2d6) }, /* BlueField-2 integrated ConnectX-6 Dx network controller */ diff --git a/drivers/net/ethernet/seeq/ether3.c b/drivers/net/ethernet/seeq/ether3.c index d1bb73bf9914..a612ca641888 100644 --- a/drivers/net/ethernet/seeq/ether3.c +++ b/drivers/net/ethernet/seeq/ether3.c @@ -851,9 +851,11 @@ static void ether3_remove(struct expansion_card *ec) { struct net_device *dev = ecard_get_drvdata(ec); + ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); ecard_set_drvdata(ec, NULL); unregister_netdev(dev); + del_timer_sync(&priv(dev)->timer); free_netdev(dev); ecard_release_resources(ec); } diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 733cafb0888f..2a544724f0e2 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -853,31 +853,32 @@ static int gtp_encap_enable(struct gtp_dev *gtp, struct nlattr *data[]) unsigned int role = GTP_ROLE_GGSN; if (data[IFLA_GTP_FD0]) { - u32 fd0 = nla_get_u32(data[IFLA_GTP_FD0]); + int fd0 = nla_get_u32(data[IFLA_GTP_FD0]); - sk0 = gtp_encap_enable_socket(fd0, UDP_ENCAP_GTP0, gtp); - if (IS_ERR(sk0)) - return PTR_ERR(sk0); + if (fd0 >= 0) { + sk0 = gtp_encap_enable_socket(fd0, UDP_ENCAP_GTP0, gtp); + if (IS_ERR(sk0)) + return PTR_ERR(sk0); + } } if (data[IFLA_GTP_FD1]) { - u32 fd1 = nla_get_u32(data[IFLA_GTP_FD1]); + int fd1 = nla_get_u32(data[IFLA_GTP_FD1]); - sk1u = gtp_encap_enable_socket(fd1, UDP_ENCAP_GTP1U, gtp); - if (IS_ERR(sk1u)) { - if (sk0) + if (fd1 >= 0) { + sk1u = gtp_encap_enable_socket(fd1, UDP_ENCAP_GTP1U, gtp); + if (IS_ERR(sk1u)) { gtp_encap_disable_sock(sk0); - return PTR_ERR(sk1u); + return PTR_ERR(sk1u); + } } } if (data[IFLA_GTP_ROLE]) { role = nla_get_u32(data[IFLA_GTP_ROLE]); if (role > GTP_ROLE_SGSN) { - if (sk0) - gtp_encap_disable_sock(sk0); - if (sk1u) - gtp_encap_disable_sock(sk1u); + gtp_encap_disable_sock(sk0); + gtp_encap_disable_sock(sk1u); return -EINVAL; } } diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index e24513e34306..6bf63290978e 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -2526,6 +2526,31 @@ static struct hv_driver netvsc_drv = { }, }; +/* Set VF's namespace same as the synthetic NIC */ +static void netvsc_event_set_vf_ns(struct net_device *ndev) +{ + struct net_device_context *ndev_ctx = netdev_priv(ndev); + struct net_device *vf_netdev; + int ret; + + vf_netdev = rtnl_dereference(ndev_ctx->vf_netdev); + if (!vf_netdev) + return; + + if (!net_eq(dev_net(ndev), dev_net(vf_netdev))) { + ret = dev_change_net_namespace(vf_netdev, dev_net(ndev), + "eth%d"); + if (ret) + netdev_err(vf_netdev, + "Cannot move to same namespace as %s: %d\n", + ndev->name, ret); + else + netdev_info(vf_netdev, + "Moved VF to namespace with: %s\n", + ndev->name); + } +} + /* * On Hyper-V, every VF interface is matched with a corresponding * synthetic interface. The synthetic interface is presented first @@ -2538,6 +2563,11 @@ static int netvsc_netdev_event(struct notifier_block *this, struct net_device *event_dev = netdev_notifier_info_to_dev(ptr); int ret = 0; + if (event_dev->netdev_ops == &device_ops && event == NETDEV_REGISTER) { + netvsc_event_set_vf_ns(event_dev); + return NOTIFY_DONE; + } + ret = check_dev_is_matching_vf(event_dev); if (ret != 0) return NOTIFY_DONE; diff --git a/drivers/net/macsec.c b/drivers/net/macsec.c index 54b19977fb67..d870a168caba 100644 --- a/drivers/net/macsec.c +++ b/drivers/net/macsec.c @@ -322,19 +322,6 @@ static struct macsec_rx_sa *macsec_rxsa_get(struct macsec_rx_sa __rcu *ptr) return sa; } -static struct macsec_rx_sa *macsec_active_rxsa_get(struct macsec_rx_sc *rx_sc) -{ - struct macsec_rx_sa *sa = NULL; - int an; - - for (an = 0; an < MACSEC_NUM_AN; an++) { - sa = macsec_rxsa_get(rx_sc->sa[an]); - if (sa) - break; - } - return sa; -} - static void free_rx_sc_rcu(struct rcu_head *head) { struct macsec_rx_sc *rx_sc = container_of(head, struct macsec_rx_sc, rcu_head); @@ -1206,15 +1193,12 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) /* If validateFrames is Strict or the C bit in the * SecTAG is set, discard */ - struct macsec_rx_sa *active_rx_sa = macsec_active_rxsa_get(rx_sc); if (hdr->tci_an & MACSEC_TCI_C || secy->validate_frames == MACSEC_VALIDATE_STRICT) { u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsNotUsingSA++; u64_stats_update_end(&rxsc_stats->syncp); DEV_STATS_INC(secy->netdev, rx_errors); - if (active_rx_sa) - this_cpu_inc(active_rx_sa->stats->InPktsNotUsingSA); goto drop_nosa; } @@ -1224,8 +1208,6 @@ static rx_handler_result_t macsec_handle_frame(struct sk_buff **pskb) u64_stats_update_begin(&rxsc_stats->syncp); rxsc_stats->stats.InPktsUnusedSA++; u64_stats_update_end(&rxsc_stats->syncp); - if (active_rx_sa) - this_cpu_inc(active_rx_sa->stats->InPktsUnusedSA); goto deliver; } diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c index fbf9ad429593..697b07fdf3ec 100644 --- a/drivers/net/phy/vitesse.c +++ b/drivers/net/phy/vitesse.c @@ -241,16 +241,6 @@ static int vsc739x_config_init(struct phy_device *phydev) return genphy_config_init(phydev); } -static int vsc73xx_config_aneg(struct phy_device *phydev) -{ - /* The VSC73xx switches does not like to be instructed to - * do autonegotiation in any way, it prefers that you just go - * with the power-on/reset defaults. Writing some registers will - * just make autonegotiation permanently fail. - */ - return 0; -} - /* This adds a skew for both TX and RX clocks, so the skew should only be * applied to "rgmii-id" interfaces. It may not work as expected * on "rgmii-txid", "rgmii-rxid" or "rgmii" interfaces. */ @@ -459,7 +449,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, .features = PHY_GBIT_FEATURES, .config_init = vsc738x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -468,7 +457,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, .features = PHY_GBIT_FEATURES, .config_init = vsc738x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -477,7 +465,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, .features = PHY_GBIT_FEATURES, .config_init = vsc739x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { @@ -486,7 +473,6 @@ static struct phy_driver vsc82xx_driver[] = { .phy_id_mask = 0x000ffff0, .features = PHY_GBIT_FEATURES, .config_init = vsc739x_config_init, - .config_aneg = vsc73xx_config_aneg, .read_page = vsc73xx_read_page, .write_page = vsc73xx_write_page, }, { diff --git a/drivers/net/ppp/ppp_async.c b/drivers/net/ppp/ppp_async.c index fb1e28a29892..14e8ad3f9354 100644 --- a/drivers/net/ppp/ppp_async.c +++ b/drivers/net/ppp/ppp_async.c @@ -555,7 +555,7 @@ ppp_async_encode(struct asyncppp *ap) * and 7 (code-reject) must be sent as though no options * had been negotiated. */ - islcp = proto == PPP_LCP && 1 <= data[2] && data[2] <= 7; + islcp = proto == PPP_LCP && count >= 3 && 1 <= data[2] && data[2] <= 7; if (i == 0) { if (islcp) diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 65dac36d8d4f..64d83f7905d0 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1708,10 +1708,10 @@ int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in) { struct sk_buff *skb; struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0]; - int len; + unsigned int len; int nframes; int x; - int offset; + unsigned int offset; union { struct usb_cdc_ncm_ndp16 *ndp16; struct usb_cdc_ncm_ndp32 *ndp32; @@ -1783,8 +1783,8 @@ int cdc_ncm_rx_fixup(struct usbnet *dev, struct sk_buff *skb_in) break; } - /* sanity checking */ - if (((offset + len) > skb_in->len) || + /* sanity checking - watch out for integer wrap*/ + if ((offset > skb_in->len) || (len > skb_in->len - offset) || (len > ctx->rx_max) || (len < ETH_HLEN)) { netif_dbg(dev, rx_err, dev->net, "invalid frame detected (ignored) offset[%u]=%u, length=%u, skb=%p\n", diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 0a86ba028c4d..6a3a4504767f 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -307,13 +307,14 @@ static int ipheth_carrier_set(struct ipheth_device *dev) 0x02, /* index */ dev->ctrl_buf, IPHETH_CTRL_BUF_SIZE, IPHETH_CTRL_TIMEOUT); - if (retval < 0) { + if (retval <= 0) { dev_err(&dev->intf->dev, "%s: usb_control_msg: %d\n", __func__, retval); return retval; } - if (dev->ctrl_buf[0] == IPHETH_CARRIER_ON) { + if ((retval == 1 && dev->ctrl_buf[0] == IPHETH_CARRIER_ON) || + (retval >= 2 && dev->ctrl_buf[1] == IPHETH_CARRIER_ON)) { netif_carrier_on(dev->net); if (dev->tx_urb->status != -EINPROGRESS) netif_wake_queue(dev->net); diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 9c17332c19fd..2f9daf077e8a 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -3007,11 +3007,23 @@ static void r8152b_hw_phy_cfg(struct r8152 *tp) set_bit(PHY_RESET, &tp->flags); } -static void r8152b_exit_oob(struct r8152 *tp) +static void wait_oob_link_list_ready(struct r8152 *tp) { u32 ocp_data; int i; + for (i = 0; i < 1000; i++) { + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); + if (ocp_data & LINK_LIST_READY) + break; + usleep_range(1000, 2000); + } +} + +static void r8152b_exit_oob(struct r8152 *tp) +{ + u32 ocp_data; + ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); @@ -3029,23 +3041,13 @@ static void r8152b_exit_oob(struct r8152 *tp) ocp_data &= ~MCU_BORW_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); - for (i = 0; i < 1000; i++) { - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); - if (ocp_data & LINK_LIST_READY) - break; - usleep_range(1000, 2000); - } + wait_oob_link_list_ready(tp); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); ocp_data |= RE_INIT_LL; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); - for (i = 0; i < 1000; i++) { - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); - if (ocp_data & LINK_LIST_READY) - break; - usleep_range(1000, 2000); - } + wait_oob_link_list_ready(tp); rtl8152_nic_reset(tp); @@ -3087,7 +3089,6 @@ static void r8152b_exit_oob(struct r8152 *tp) static void r8152b_enter_oob(struct r8152 *tp) { u32 ocp_data; - int i; ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data &= ~NOW_IS_OOB; @@ -3099,23 +3100,13 @@ static void r8152b_enter_oob(struct r8152 *tp) rtl_disable(tp); - for (i = 0; i < 1000; i++) { - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); - if (ocp_data & LINK_LIST_READY) - break; - usleep_range(1000, 2000); - } + wait_oob_link_list_ready(tp); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); ocp_data |= RE_INIT_LL; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); - for (i = 0; i < 1000; i++) { - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); - if (ocp_data & LINK_LIST_READY) - break; - usleep_range(1000, 2000); - } + wait_oob_link_list_ready(tp); ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8152_RMS); @@ -3388,7 +3379,6 @@ static void r8153b_hw_phy_cfg(struct r8152 *tp) static void r8153_first_init(struct r8152 *tp) { u32 ocp_data; - int i; rxdy_gated_en(tp, true); r8153_teredo_off(tp); @@ -3408,23 +3398,13 @@ static void r8153_first_init(struct r8152 *tp) ocp_data &= ~MCU_BORW_EN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); - for (i = 0; i < 1000; i++) { - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); - if (ocp_data & LINK_LIST_READY) - break; - usleep_range(1000, 2000); - } + wait_oob_link_list_ready(tp); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); ocp_data |= RE_INIT_LL; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); - for (i = 0; i < 1000; i++) { - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); - if (ocp_data & LINK_LIST_READY) - break; - usleep_range(1000, 2000); - } + wait_oob_link_list_ready(tp); rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX); @@ -3449,7 +3429,6 @@ static void r8153_first_init(struct r8152 *tp) static void r8153_enter_oob(struct r8152 *tp) { u32 ocp_data; - int i; ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data &= ~NOW_IS_OOB; @@ -3458,23 +3437,13 @@ static void r8153_enter_oob(struct r8152 *tp) rtl_disable(tp); rtl_reset_bmu(tp); - for (i = 0; i < 1000; i++) { - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); - if (ocp_data & LINK_LIST_READY) - break; - usleep_range(1000, 2000); - } + wait_oob_link_list_ready(tp); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7); ocp_data |= RE_INIT_LL; ocp_write_word(tp, MCU_TYPE_PLA, PLA_SFF_STS_7, ocp_data); - for (i = 0; i < 1000; i++) { - ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); - if (ocp_data & LINK_LIST_READY) - break; - usleep_range(1000, 2000); - } + wait_oob_link_list_ready(tp); ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN; ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data); diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 938335f4738d..ec3a7cea8c8a 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1746,7 +1746,8 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) // can rename the link if it knows better. if ((dev->driver_info->flags & FLAG_ETHER) != 0 && ((dev->driver_info->flags & FLAG_POINTTOPOINT) == 0 || - (net->dev_addr [0] & 0x02) == 0)) + /* somebody touched it*/ + !is_zero_ether_addr(net->dev_addr))) strscpy(net->name, "eth%d", sizeof(net->name)); /* WLAN devices should always be named "wlan%d" */ if ((dev->driver_info->flags & FLAG_WLAN) != 0) diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index c9df78950ff4..1d3031bd44fe 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -2655,9 +2655,14 @@ ath10k_wmi_tlv_op_cleanup_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu) { struct ath10k_skb_cb *cb = ATH10K_SKB_CB(msdu); + struct ath10k_mgmt_tx_pkt_addr *pkt_addr; struct ath10k_wmi *wmi = &ar->wmi; - idr_remove(&wmi->mgmt_pending_tx, cb->msdu_id); + spin_lock_bh(&ar->data_lock); + pkt_addr = idr_remove(&wmi->mgmt_pending_tx, cb->msdu_id); + spin_unlock_bh(&ar->data_lock); + + kfree(pkt_addr); return 0; } diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 967a39304648..e21b5c501575 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2362,6 +2362,7 @@ static int wmi_process_mgmt_tx_comp(struct ath10k *ar, u32 desc_id, dma_unmap_single(ar->dev, pkt_addr->paddr, msdu->len, DMA_TO_DEVICE); info = IEEE80211_SKB_CB(msdu); + kfree(pkt_addr); if (status) info->flags &= ~IEEE80211_TX_STAT_ACK; @@ -9233,6 +9234,7 @@ static int ath10k_wmi_mgmt_tx_clean_up_pending(int msdu_id, void *ptr, dma_unmap_single(ar->dev, pkt_addr->paddr, msdu->len, DMA_TO_DEVICE); ieee80211_free_txskb(ar->hw, msdu); + kfree(pkt_addr); return 0; } diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index e0a4e3fa8730..c89f89f553e6 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1329,11 +1329,11 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw, struct ath_softc *sc = hw->priv; int i = 0; - data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + + data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_pkts_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_pkts_all); - data[i++] = (sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + + data[i++] = ((u64)sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BE)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_BK)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VI)].tx_bytes_all + sc->debug.stats.txstats[PR_QNUM(IEEE80211_AC_VO)].tx_bytes_all); @@ -1384,8 +1384,6 @@ int ath9k_init_debug(struct ath_hw *ah) sc->debug.debugfs_phy = debugfs_create_dir("ath9k", sc->hw->wiphy->debugfsdir); - if (!sc->debug.debugfs_phy) - return -ENOMEM; #ifdef CONFIG_ATH_DEBUG debugfs_create_file("debug", 0600, sc->debug.debugfs_phy, diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index 3aa915d21554..24059a5178a9 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -718,8 +718,7 @@ static void ath9k_hif_usb_rx_cb(struct urb *urb) } resubmit: - skb_reset_tail_pointer(skb); - skb_trim(skb, 0); + __skb_set_length(skb, 0); usb_anchor_urb(urb, &hif_dev->rx_submitted); ret = usb_submit_urb(urb, GFP_ATOMIC); @@ -756,8 +755,7 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb) case -ESHUTDOWN: goto free_skb; default: - skb_reset_tail_pointer(skb); - skb_trim(skb, 0); + __skb_set_length(skb, 0); goto resubmit; } diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c index e79bbcd3279a..81332086e289 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c @@ -491,8 +491,6 @@ int ath9k_htc_init_debug(struct ath_hw *ah) priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME, priv->hw->wiphy->debugfsdir); - if (IS_ERR(priv->debug.debugfs_phy)) - return -ENOMEM; ath9k_cmn_spectral_init_debug(&priv->spec_priv, priv->debug.debugfs_phy); diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c index c1c1cf330de7..de3988deb4d0 100644 --- a/drivers/net/wireless/intel/iwlegacy/common.c +++ b/drivers/net/wireless/intel/iwlegacy/common.c @@ -4986,6 +4986,8 @@ il_pci_resume(struct device *device) */ pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00); + _il_wr(il, CSR_INT, 0xffffffff); + _il_wr(il, CSR_FH_INT_STATUS, 0xffffffff); il_enable_interrupts(il); if (!(_il_rd(il, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW)) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 3f37fb64e71c..3c00a737c4b3 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -4326,6 +4326,10 @@ static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop) int i; if (!iwl_mvm_has_new_tx_api(mvm)) { + /* we can't ask the firmware anything if it is dead */ + if (test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, + &mvm->status)) + return; if (drop) { mutex_lock(&mvm->mutex); iwl_mvm_flush_tx_path(mvm, @@ -4407,8 +4411,11 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw, /* this can take a while, and we may need/want other operations * to succeed while doing this, so do it without the mutex held + * If the firmware is dead, this can't work... */ - if (!drop && !iwl_mvm_has_new_tx_api(mvm)) + if (!drop && !iwl_mvm_has_new_tx_api(mvm) && + !test_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, + &mvm->status)) iwl_trans_wait_tx_queues_empty(mvm->trans, msk); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c index eb2d235e9dc5..7f9eeef17f23 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c @@ -91,6 +91,8 @@ /* adaptive dwell default APs number in social channels (1, 6, 11) */ #define IWL_SCAN_ADWELL_DEFAULT_N_APS_SOCIAL 10 +#define WFA_TPC_IE_LEN 9 + struct iwl_mvm_scan_timing_params { u32 suspend_time; u32 max_out_time; @@ -328,8 +330,8 @@ static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm) max_probe_len = SCAN_OFFLOAD_PROBE_REQ_SIZE; - /* we create the 802.11 header and SSID element */ - max_probe_len -= 24 + 2; + /* we create the 802.11 header SSID element and WFA TPC element */ + max_probe_len -= 24 + 2 + WFA_TPC_IE_LEN; /* DS parameter set element is added on 2.4GHZ band if required */ if (iwl_mvm_rrm_scan_needed(mvm)) @@ -727,8 +729,6 @@ static u8 *iwl_mvm_copy_and_insert_ds_elem(struct iwl_mvm *mvm, const u8 *ies, return newpos; } -#define WFA_TPC_IE_LEN 9 - static void iwl_mvm_add_tpc_report_ie(u8 *pos) { pos[0] = WLAN_EID_VENDOR_SPECIFIC; diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h index 3e3134bcc2b0..bfa482cf464f 100644 --- a/drivers/net/wireless/marvell/mwifiex/fw.h +++ b/drivers/net/wireless/marvell/mwifiex/fw.h @@ -1590,7 +1590,7 @@ struct host_cmd_ds_802_11_scan_rsp { struct host_cmd_ds_802_11_scan_ext { u32 reserved; - u8 tlv_buffer[1]; + u8 tlv_buffer[]; } __packed; struct mwifiex_ie_types_bss_mode { diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c index 4f0e78ae3dbd..0cbdd5a930d8 100644 --- a/drivers/net/wireless/marvell/mwifiex/scan.c +++ b/drivers/net/wireless/marvell/mwifiex/scan.c @@ -2570,8 +2570,7 @@ int mwifiex_ret_802_11_scan_ext(struct mwifiex_private *priv, ext_scan_resp = &resp->params.ext_scan; tlv = (void *)ext_scan_resp->tlv_buffer; - buf_left = le16_to_cpu(resp->size) - (sizeof(*ext_scan_resp) + S_DS_GEN - - 1); + buf_left = le16_to_cpu(resp->size) - (sizeof(*ext_scan_resp) + S_DS_GEN); while (buf_left >= sizeof(struct mwifiex_ie_types_header)) { type = le16_to_cpu(tlv->type); diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index 084bd1d1ac1d..0e913fd6b592 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -777,7 +777,7 @@ static void ndev_init_debugfs(struct intel_ntb_dev *ndev) ndev->debugfs_dir = debugfs_create_dir(pci_name(ndev->ntb.pdev), debugfs_dir); - if (!ndev->debugfs_dir) + if (IS_ERR(ndev->debugfs_dir)) ndev->debugfs_info = NULL; else ndev->debugfs_info = diff --git a/drivers/of/irq.c b/drivers/of/irq.c index f06c9df60e34..09079dce58f6 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -302,8 +302,8 @@ int of_irq_parse_one(struct device_node *device, int index, struct of_phandle_ar addr = of_get_property(device, "reg", &addr_len); /* Prevent out-of-bounds read in case of longer interrupt parent address size */ - if (addr_len > (3 * sizeof(__be32))) - addr_len = 3 * sizeof(__be32); + if (addr_len > sizeof(addr_buf)) + addr_len = sizeof(addr_buf); if (addr) memcpy(addr_buf, addr, addr_len); @@ -641,8 +641,7 @@ struct irq_domain *of_msi_map_get_device_domain(struct device *dev, u32 rid) * @np: device node for @dev * @token: bus type for this domain * - * Parse the msi-parent property (both the simple and the complex - * versions), and returns the corresponding MSI domain. + * Parse the msi-parent property and returns the corresponding MSI domain. * * Returns: the MSI domain for this device (or NULL on failure). */ @@ -650,33 +649,14 @@ struct irq_domain *of_msi_get_domain(struct device *dev, struct device_node *np, enum irq_domain_bus_token token) { - struct device_node *msi_np; + struct of_phandle_iterator it; struct irq_domain *d; + int err; - /* Check for a single msi-parent property */ - msi_np = of_parse_phandle(np, "msi-parent", 0); - if (msi_np && !of_property_read_bool(msi_np, "#msi-cells")) { - d = irq_find_matching_host(msi_np, token); - if (!d) - of_node_put(msi_np); - return d; - } - - if (token == DOMAIN_BUS_PLATFORM_MSI) { - /* Check for the complex msi-parent version */ - struct of_phandle_args args; - int index = 0; - - while (!of_parse_phandle_with_args(np, "msi-parent", - "#msi-cells", - index, &args)) { - d = irq_find_matching_host(args.np, token); - if (d) - return d; - - of_node_put(args.np); - index++; - } + of_for_each_phandle(&it, err, np, "msi-parent", "#msi-cells", 0) { + d = irq_find_matching_host(it.node, token); + if (d) + return d; } return NULL; diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c index 595e23e6859b..c193d657f0ab 100644 --- a/drivers/parport/procfs.c +++ b/drivers/parport/procfs.c @@ -51,12 +51,12 @@ static int do_active_device(struct ctl_table *table, int write, for (dev = port->devices; dev ; dev = dev->next) { if(dev == port->cad) { - len += snprintf(buffer, sizeof(buffer), "%s\n", dev->name); + len += scnprintf(buffer, sizeof(buffer), "%s\n", dev->name); } } if(!len) { - len += snprintf(buffer, sizeof(buffer), "%s\n", "none"); + len += scnprintf(buffer, sizeof(buffer), "%s\n", "none"); } if (len > *lenp) @@ -87,19 +87,19 @@ static int do_autoprobe(struct ctl_table *table, int write, } if ((str = info->class_name) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str); if ((str = info->model) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str); if ((str = info->mfr) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str); if ((str = info->description) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str); if ((str = info->cmdset) != NULL) - len += snprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str); + len += scnprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str); if (len > *lenp) len = *lenp; @@ -128,7 +128,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += snprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi); + len += scnprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi); if (len > *lenp) len = *lenp; @@ -156,7 +156,7 @@ static int do_hardware_irq(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += snprintf (buffer, sizeof(buffer), "%d\n", port->irq); + len += scnprintf (buffer, sizeof(buffer), "%d\n", port->irq); if (len > *lenp) len = *lenp; @@ -184,7 +184,7 @@ static int do_hardware_dma(struct ctl_table *table, int write, if (write) /* permissions prevent this anyway */ return -EACCES; - len += snprintf (buffer, sizeof(buffer), "%d\n", port->dma); + len += scnprintf (buffer, sizeof(buffer), "%d\n", port->dma); if (len > *lenp) len = *lenp; @@ -216,7 +216,7 @@ static int do_hardware_modes(struct ctl_table *table, int write, #define printmode(x) \ do { \ if (port->modes & PARPORT_MODE_##x) \ - len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \ + len += scnprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \ } while (0) int f = 0; printmode(PCSPP); diff --git a/drivers/pci/controller/pcie-xilinx-nwl.c b/drivers/pci/controller/pcie-xilinx-nwl.c index a86bd9660dae..9fde526045ec 100644 --- a/drivers/pci/controller/pcie-xilinx-nwl.c +++ b/drivers/pci/controller/pcie-xilinx-nwl.c @@ -79,8 +79,8 @@ #define MSGF_MISC_SR_NON_FATAL_DEV BIT(22) #define MSGF_MISC_SR_FATAL_DEV BIT(23) #define MSGF_MISC_SR_LINK_DOWN BIT(24) -#define MSGF_MSIC_SR_LINK_AUTO_BWIDTH BIT(25) -#define MSGF_MSIC_SR_LINK_BWIDTH BIT(26) +#define MSGF_MISC_SR_LINK_AUTO_BWIDTH BIT(25) +#define MSGF_MISC_SR_LINK_BWIDTH BIT(26) #define MSGF_MISC_SR_MASKALL (MSGF_MISC_SR_RXMSG_AVAIL | \ MSGF_MISC_SR_RXMSG_OVER | \ @@ -95,8 +95,8 @@ MSGF_MISC_SR_NON_FATAL_DEV | \ MSGF_MISC_SR_FATAL_DEV | \ MSGF_MISC_SR_LINK_DOWN | \ - MSGF_MSIC_SR_LINK_AUTO_BWIDTH | \ - MSGF_MSIC_SR_LINK_BWIDTH) + MSGF_MISC_SR_LINK_AUTO_BWIDTH | \ + MSGF_MISC_SR_LINK_BWIDTH) /* Legacy interrupt status mask bits */ #define MSGF_LEG_SR_INTA BIT(0) @@ -308,10 +308,10 @@ static irqreturn_t nwl_pcie_misc_handler(int irq, void *data) if (misc_stat & MSGF_MISC_SR_FATAL_DEV) dev_err(dev, "Fatal Error Detected\n"); - if (misc_stat & MSGF_MSIC_SR_LINK_AUTO_BWIDTH) + if (misc_stat & MSGF_MISC_SR_LINK_AUTO_BWIDTH) dev_info(dev, "Link Autonomous Bandwidth Management Status bit set\n"); - if (misc_stat & MSGF_MSIC_SR_LINK_BWIDTH) + if (misc_stat & MSGF_MISC_SR_LINK_BWIDTH) dev_info(dev, "Link Bandwidth Management Status bit set\n"); /* Clear misc interrupt status */ @@ -384,14 +384,12 @@ static void nwl_pcie_msi_handler_low(struct irq_desc *desc) static void nwl_mask_leg_irq(struct irq_data *data) { - struct irq_desc *desc = irq_to_desc(data->irq); - struct nwl_pcie *pcie; + struct nwl_pcie *pcie = irq_data_get_irq_chip_data(data); unsigned long flags; u32 mask; u32 val; - pcie = irq_desc_get_chip_data(desc); - mask = 1 << (data->hwirq - 1); + mask = 1 << data->hwirq; raw_spin_lock_irqsave(&pcie->leg_mask_lock, flags); val = nwl_bridge_readl(pcie, MSGF_LEG_MASK); nwl_bridge_writel(pcie, (val & (~mask)), MSGF_LEG_MASK); @@ -400,14 +398,12 @@ static void nwl_mask_leg_irq(struct irq_data *data) static void nwl_unmask_leg_irq(struct irq_data *data) { - struct irq_desc *desc = irq_to_desc(data->irq); - struct nwl_pcie *pcie; + struct nwl_pcie *pcie = irq_data_get_irq_chip_data(data); unsigned long flags; u32 mask; u32 val; - pcie = irq_desc_get_chip_data(desc); - mask = 1 << (data->hwirq - 1); + mask = 1 << data->hwirq; raw_spin_lock_irqsave(&pcie->leg_mask_lock, flags); val = nwl_bridge_readl(pcie, MSGF_LEG_MASK); nwl_bridge_writel(pcie, (val | mask), MSGF_LEG_MASK); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index bb5182089096..c009b1760f47 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3347,6 +3347,8 @@ DECLARE_PCI_FIXUP_FINAL(0x1814, 0x0601, /* Ralink RT2800 802.11n PCI */ quirk_broken_intx_masking); DECLARE_PCI_FIXUP_FINAL(0x1b7c, 0x0004, /* Ceton InfiniTV4 */ quirk_broken_intx_masking); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2, + quirk_broken_intx_masking); /* * Realtek RTL8169 PCI Gigabit Ethernet Controller (rev 10) @@ -4042,6 +4044,10 @@ static void quirk_dma_func0_alias(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe832, quirk_dma_func0_alias); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_RICOH, 0xe476, quirk_dma_func0_alias); +/* Some Glenfly chips use function 0 as the PCIe Requester ID for DMA */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d40, quirk_dma_func0_alias); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_GLENFLY, 0x3d41, quirk_dma_func0_alias); + static void quirk_dma_func1_alias(struct pci_dev *dev) { if (PCI_FUNC(dev->devfn) != 1) diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c index 8472f61f2bbe..c15f08fab0bb 100644 --- a/drivers/pinctrl/mvebu/pinctrl-dove.c +++ b/drivers/pinctrl/mvebu/pinctrl-dove.c @@ -773,7 +773,7 @@ static int dove_pinctrl_probe(struct platform_device *pdev) of_match_device(dove_pinctrl_of_match, &pdev->dev); struct mvebu_mpp_ctrl_data *mpp_data; void __iomem *base; - int i; + int i, ret; pdev->dev.platform_data = (void *)match->data; @@ -790,13 +790,17 @@ static int dove_pinctrl_probe(struct platform_device *pdev) mpp_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, mpp_res); - if (IS_ERR(base)) - return PTR_ERR(base); + if (IS_ERR(base)) { + ret = PTR_ERR(base); + goto err_probe; + } mpp_data = devm_kcalloc(&pdev->dev, dove_pinctrl_info.ncontrols, sizeof(*mpp_data), GFP_KERNEL); - if (!mpp_data) - return -ENOMEM; + if (!mpp_data) { + ret = -ENOMEM; + goto err_probe; + } dove_pinctrl_info.control_data = mpp_data; for (i = 0; i < ARRAY_SIZE(dove_mpp_controls); i++) @@ -815,8 +819,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } mpp4_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mpp4_base)) - return PTR_ERR(mpp4_base); + if (IS_ERR(mpp4_base)) { + ret = PTR_ERR(mpp4_base); + goto err_probe; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 2); if (!res) { @@ -827,8 +833,10 @@ static int dove_pinctrl_probe(struct platform_device *pdev) } pmu_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(pmu_base)) - return PTR_ERR(pmu_base); + if (IS_ERR(pmu_base)) { + ret = PTR_ERR(pmu_base); + goto err_probe; + } gconfmap = syscon_regmap_lookup_by_compatible("marvell,dove-global-config"); if (IS_ERR(gconfmap)) { @@ -838,12 +846,17 @@ static int dove_pinctrl_probe(struct platform_device *pdev) adjust_resource(&fb_res, (mpp_res->start & INT_REGS_MASK) + GC_REGS_OFFS, 0x14); gc_base = devm_ioremap_resource(&pdev->dev, &fb_res); - if (IS_ERR(gc_base)) - return PTR_ERR(gc_base); + if (IS_ERR(gc_base)) { + ret = PTR_ERR(gc_base); + goto err_probe; + } + gconfmap = devm_regmap_init_mmio(&pdev->dev, gc_base, &gc_regmap_config); - if (IS_ERR(gconfmap)) - return PTR_ERR(gconfmap); + if (IS_ERR(gconfmap)) { + ret = PTR_ERR(gconfmap); + goto err_probe; + } } /* Warn on any missing DT resource */ @@ -851,6 +864,9 @@ static int dove_pinctrl_probe(struct platform_device *pdev) dev_warn(&pdev->dev, FW_BUG "Missing pinctrl regs in DTB. Please update your firmware.\n"); return mvebu_pinctrl_probe(pdev); +err_probe: + clk_disable_unprepare(clk); + return ret; } static struct platform_driver dove_pinctrl_driver = { diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index ad01cc579823..48374945b2d7 100644 --- a/drivers/pinctrl/pinctrl-at91.c +++ b/drivers/pinctrl/pinctrl-at91.c @@ -1290,8 +1290,11 @@ static int at91_pinctrl_probe(struct platform_device *pdev) /* We will handle a range of GPIO pins */ for (i = 0; i < gpio_banks; i++) - if (gpio_chips[i]) + if (gpio_chips[i]) { pinctrl_add_gpio_range(info->pctl, &gpio_chips[i]->range); + gpiochip_add_pin_range(&gpio_chips[i]->chip, dev_name(info->pctl->dev), 0, + gpio_chips[i]->range.pin_base, gpio_chips[i]->range.npins); + } dev_info(&pdev->dev, "initialized AT91 pinctrl driver\n"); diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 86691841efc0..004410e58e54 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1898,7 +1898,8 @@ static int pcs_probe(struct platform_device *pdev) dev_info(pcs->dev, "%i pins, size %u\n", pcs->desc.npins, pcs->size); - if (pinctrl_enable(pcs->pctl)) + ret = pinctrl_enable(pcs->pctl); + if (ret) goto free; return 0; diff --git a/drivers/power/reset/brcmstb-reboot.c b/drivers/power/reset/brcmstb-reboot.c index 884b53c483c0..9f8b9e5cad93 100644 --- a/drivers/power/reset/brcmstb-reboot.c +++ b/drivers/power/reset/brcmstb-reboot.c @@ -72,9 +72,6 @@ static int brcmstb_restart_handler(struct notifier_block *this, return NOTIFY_DONE; } - while (1) - ; - return NOTIFY_DONE; } diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index 33fbb0fc952b..6d3ad453e609 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -848,7 +848,10 @@ static void max17042_set_soc_threshold(struct max17042_chip *chip, u16 off) /* program interrupt thesholds such that we should * get interrupt for every 'off' perc change in the soc */ - regmap_read(map, MAX17042_RepSOC, &soc); + if (chip->pdata->enable_current_sense) + regmap_read(map, MAX17042_RepSOC, &soc); + else + regmap_read(map, MAX17042_VFSOC, &soc); soc >>= 8; soc_tr = (soc + off) << 8; if (off < soc) diff --git a/drivers/pps/clients/pps_parport.c b/drivers/pps/clients/pps_parport.c index 4db824f88d00..9710207bce7c 100644 --- a/drivers/pps/clients/pps_parport.c +++ b/drivers/pps/clients/pps_parport.c @@ -158,7 +158,10 @@ static void parport_attach(struct parport *port) return; } - index = ida_simple_get(&pps_client_index, 0, 0, GFP_KERNEL); + index = ida_alloc(&pps_client_index, GFP_KERNEL); + if (index < 0) + goto err_free_device; + memset(&pps_client_cb, 0, sizeof(pps_client_cb)); pps_client_cb.private = device; pps_client_cb.irq_func = parport_irq; @@ -169,7 +172,7 @@ static void parport_attach(struct parport *port) index); if (!device->pardev) { pr_err("couldn't register with %s\n", port->name); - goto err_free; + goto err_free_ida; } if (parport_claim_or_block(device->pardev) < 0) { @@ -197,8 +200,9 @@ static void parport_attach(struct parport *port) parport_release(device->pardev); err_unregister_dev: parport_unregister_device(device->pardev); -err_free: - ida_simple_remove(&pps_client_index, index); +err_free_ida: + ida_free(&pps_client_index, index); +err_free_device: kfree(device); } @@ -218,7 +222,7 @@ static void parport_detach(struct parport *port) pps_unregister_source(device->pps); parport_release(pardev); parport_unregister_device(pardev); - ida_simple_remove(&pps_client_index, device->index); + ida_free(&pps_client_index, device->index); kfree(device); } diff --git a/drivers/reset/reset-berlin.c b/drivers/reset/reset-berlin.c index 371197bbd055..542d32719b8a 100644 --- a/drivers/reset/reset-berlin.c +++ b/drivers/reset/reset-berlin.c @@ -68,13 +68,14 @@ static int berlin_reset_xlate(struct reset_controller_dev *rcdev, static int berlin2_reset_probe(struct platform_device *pdev) { - struct device_node *parent_np = of_get_parent(pdev->dev.of_node); + struct device_node *parent_np; struct berlin_reset_priv *priv; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + parent_np = of_get_parent(pdev->dev.of_node); priv->regmap = syscon_node_to_regmap(parent_np); of_node_put(parent_np); if (IS_ERR(priv->regmap)) diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index 199cc3945919..6dedba21683f 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -1404,7 +1404,7 @@ config RTC_DRV_AT91RM9200 config RTC_DRV_AT91SAM9 tristate "AT91SAM9 RTT as RTC" depends on ARCH_AT91 || COMPILE_TEST - depends on HAS_IOMEM + depends on OF && HAS_IOMEM select MFD_SYSCON help Some AT91SAM9 SoCs provide an RTT (Real Time Timer) block which diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index ee71e647fd43..4672dde68c78 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -348,13 +348,6 @@ static const struct rtc_class_ops at91_rtc_ops = { .alarm_irq_enable = at91_rtc_alarm_irq_enable, }; -static const struct regmap_config gpbr_regmap_config = { - .name = "gpbr", - .reg_bits = 32, - .val_bits = 32, - .reg_stride = 4, -}; - /* * Initialize and install RTC driver */ @@ -365,6 +358,7 @@ static int at91_rtc_probe(struct platform_device *pdev) int ret, irq; u32 mr; unsigned int sclk_rate; + struct of_phandle_args args; irq = platform_get_irq(pdev, 0); if (irq < 0) { @@ -390,34 +384,15 @@ static int at91_rtc_probe(struct platform_device *pdev) if (IS_ERR(rtc->rtt)) return PTR_ERR(rtc->rtt); - if (!pdev->dev.of_node) { - /* - * TODO: Remove this code chunk when removing non DT board - * support. Remember to remove the gpbr_regmap_config - * variable too. - */ - void __iomem *gpbr; - - r = platform_get_resource(pdev, IORESOURCE_MEM, 1); - gpbr = devm_ioremap_resource(&pdev->dev, r); - if (IS_ERR(gpbr)) - return PTR_ERR(gpbr); - - rtc->gpbr = regmap_init_mmio(NULL, gpbr, - &gpbr_regmap_config); - } else { - struct of_phandle_args args; - - ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node, - "atmel,rtt-rtc-time-reg", 1, 0, - &args); - if (ret) - return ret; - - rtc->gpbr = syscon_node_to_regmap(args.np); - rtc->gpbr_offset = args.args[0]; - } + ret = of_parse_phandle_with_fixed_args(pdev->dev.of_node, + "atmel,rtt-rtc-time-reg", 1, 0, + &args); + if (ret) + return ret; + rtc->gpbr = syscon_node_to_regmap(args.np); + of_node_put(args.np); + rtc->gpbr_offset = args.args[0]; if (IS_ERR(rtc->gpbr)) { dev_err(&pdev->dev, "failed to retrieve gpbr regmap, aborting.\n"); return -ENOMEM; @@ -569,13 +544,11 @@ static int at91_rtc_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(at91_rtc_pm_ops, at91_rtc_suspend, at91_rtc_resume); -#ifdef CONFIG_OF static const struct of_device_id at91_rtc_dt_ids[] = { { .compatible = "atmel,at91sam9260-rtt" }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, at91_rtc_dt_ids); -#endif static struct platform_driver at91_rtc_driver = { .probe = at91_rtc_probe, diff --git a/drivers/s390/char/sclp_vt220.c b/drivers/s390/char/sclp_vt220.c index 3c2ed6d01387..d574c167c9dc 100644 --- a/drivers/s390/char/sclp_vt220.c +++ b/drivers/s390/char/sclp_vt220.c @@ -325,7 +325,7 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request, buffer = (void *) ((addr_t) sccb + sccb->header.length); if (convertlf) { - /* Perform Linefeed conversion (0x0a -> 0x0a 0x0d)*/ + /* Perform Linefeed conversion (0x0a -> 0x0d 0x0a)*/ for (from=0, to=0; (from < count) && (to < sclp_vt220_space_left(request)); from++) { @@ -334,8 +334,8 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request, /* Perform conversion */ if (c == 0x0a) { if (to + 1 < sclp_vt220_space_left(request)) { - ((unsigned char *) buffer)[to++] = c; ((unsigned char *) buffer)[to++] = 0x0d; + ((unsigned char *) buffer)[to++] = c; } else break; diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 074760f21014..135e3f39c895 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -2037,8 +2037,8 @@ struct aac_srb_reply }; struct aac_srb_unit { - struct aac_srb srb; struct aac_srb_reply srb_reply; + struct aac_srb srb; }; /* diff --git a/drivers/soc/versatile/soc-integrator.c b/drivers/soc/versatile/soc-integrator.c index a5d7d39ae0ad..5ffad35dfb19 100644 --- a/drivers/soc/versatile/soc-integrator.c +++ b/drivers/soc/versatile/soc-integrator.c @@ -115,6 +115,7 @@ static int __init integrator_soc_init(void) return -ENODEV; syscon_regmap = syscon_node_to_regmap(np); + of_node_put(np); if (IS_ERR(syscon_regmap)) return PTR_ERR(syscon_regmap); diff --git a/drivers/soc/versatile/soc-realview.c b/drivers/soc/versatile/soc-realview.c index caf698e5f0b0..a9220701c190 100644 --- a/drivers/soc/versatile/soc-realview.c +++ b/drivers/soc/versatile/soc-realview.c @@ -8,6 +8,7 @@ * published by the Free Software Foundation. * */ +#include <linux/device.h> #include <linux/init.h> #include <linux/io.h> #include <linux/slab.h> @@ -83,6 +84,13 @@ static ssize_t realview_get_build(struct device *dev, static struct device_attribute realview_build_attr = __ATTR(build, S_IRUGO, realview_get_build, NULL); +static void realview_soc_socdev_release(void *data) +{ + struct soc_device *soc_dev = data; + + soc_device_unregister(soc_dev); +} + static int realview_soc_probe(struct platform_device *pdev) { struct regmap *syscon_regmap; @@ -95,7 +103,7 @@ static int realview_soc_probe(struct platform_device *pdev) if (IS_ERR(syscon_regmap)) return PTR_ERR(syscon_regmap); - soc_dev_attr = kzalloc(sizeof(*soc_dev_attr), GFP_KERNEL); + soc_dev_attr = devm_kzalloc(&pdev->dev, sizeof(*soc_dev_attr), GFP_KERNEL); if (!soc_dev_attr) return -ENOMEM; @@ -107,10 +115,14 @@ static int realview_soc_probe(struct platform_device *pdev) soc_dev_attr->machine = "RealView"; soc_dev_attr->family = "Versatile"; soc_dev = soc_device_register(soc_dev_attr); - if (IS_ERR(soc_dev)) { - kfree(soc_dev_attr); + if (IS_ERR(soc_dev)) return -ENODEV; - } + + ret = devm_add_action_or_reset(&pdev->dev, realview_soc_socdev_release, + soc_dev); + if (ret) + return ret; + ret = regmap_read(syscon_regmap, REALVIEW_SYS_ID_OFFSET, &realview_coreid); if (ret) diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 7c08385acab1..42bc701e2304 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -1232,18 +1232,18 @@ struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave, unsigned int port_num) { struct sdw_dpn_prop *dpn_prop; - unsigned long mask; + u8 num_ports; int i; if (direction == SDW_DATA_DIR_TX) { - mask = slave->prop.source_ports; + num_ports = hweight32(slave->prop.source_ports); dpn_prop = slave->prop.src_dpn_prop; } else { - mask = slave->prop.sink_ports; + num_ports = hweight32(slave->prop.sink_ports); dpn_prop = slave->prop.sink_dpn_prop; } - for_each_set_bit(i, &mask, 32) { + for (i = 0; i < num_ports; i++) { if (dpn_prop[i].num == port_num) return &dpn_prop[i]; } diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c index cc6ec3fb5bfd..0c5fd0fe2a2a 100644 --- a/drivers/spi/spi-bcm63xx.c +++ b/drivers/spi/spi-bcm63xx.c @@ -484,12 +484,14 @@ static const struct platform_device_id bcm63xx_spi_dev_match[] = { { }, }; +MODULE_DEVICE_TABLE(platform, bcm63xx_spi_dev_match); static const struct of_device_id bcm63xx_spi_of_match[] = { { .compatible = "brcm,bcm6348-spi", .data = &bcm6348_spi_reg_offsets }, { .compatible = "brcm,bcm6358-spi", .data = &bcm6358_spi_reg_offsets }, { }, }; +MODULE_DEVICE_TABLE(of, bcm63xx_spi_of_match); static int bcm63xx_spi_probe(struct platform_device *pdev) { diff --git a/drivers/spi/spi-ppc4xx.c b/drivers/spi/spi-ppc4xx.c index 58765a62fc15..7e8fc572f26c 100644 --- a/drivers/spi/spi-ppc4xx.c +++ b/drivers/spi/spi-ppc4xx.c @@ -29,7 +29,6 @@ #include <linux/errno.h> #include <linux/wait.h> #include <linux/of_address.h> -#include <linux/of_irq.h> #include <linux/of_platform.h> #include <linux/of_gpio.h> #include <linux/interrupt.h> @@ -494,7 +493,11 @@ static int spi_ppc4xx_of_probe(struct platform_device *op) } /* Request IRQ */ - hw->irqnum = irq_of_parse_and_map(np, 0); + ret = platform_get_irq(op, 0); + if (ret < 0) + goto free_host; + hw->irqnum = ret; + ret = request_irq(hw->irqnum, spi_ppc4xx_int, 0, "spi_ppc4xx_of", (void *)hw); if (ret) { diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index d9420561236c..108a087a2777 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -211,7 +211,7 @@ static void s3c64xx_flush_fifo(struct s3c64xx_spi_driver_data *sdd) loops = msecs_to_loops(1); do { val = readl(regs + S3C64XX_SPI_STATUS); - } while (TX_FIFO_LVL(val, sdd) && loops--); + } while (TX_FIFO_LVL(val, sdd) && --loops); if (loops == 0) dev_warn(&sdd->pdev->dev, "Timed out flushing TX FIFO\n"); @@ -224,7 +224,7 @@ static void s3c64xx_flush_fifo(struct s3c64xx_spi_driver_data *sdd) readl(regs + S3C64XX_SPI_RX_DATA); else break; - } while (loops--); + } while (--loops); if (loops == 0) dev_warn(&sdd->pdev->dev, "Timed out flushing RX FIFO\n"); diff --git a/drivers/staging/iio/frequency/ad9834.c b/drivers/staging/iio/frequency/ad9834.c index 4c6d4043903e..3eb089dc220e 100644 --- a/drivers/staging/iio/frequency/ad9834.c +++ b/drivers/staging/iio/frequency/ad9834.c @@ -6,6 +6,7 @@ * Licensed under the GPL-2. */ +#include <linux/clk.h> #include <linux/interrupt.h> #include <linux/workqueue.h> #include <linux/device.h> @@ -71,7 +72,7 @@ struct ad9834_state { struct spi_device *spi; struct regulator *reg; - unsigned int mclk; + struct clk *mclk; unsigned short control; unsigned short devid; struct spi_transfer xfer; @@ -110,12 +111,15 @@ static unsigned int ad9834_calc_freqreg(unsigned long mclk, unsigned long fout) static int ad9834_write_frequency(struct ad9834_state *st, unsigned long addr, unsigned long fout) { + unsigned long clk_freq; unsigned long regval; - if (fout > (st->mclk / 2)) + clk_freq = clk_get_rate(st->mclk); + + if (!clk_freq || fout > (clk_freq / 2)) return -EINVAL; - regval = ad9834_calc_freqreg(st->mclk, fout); + regval = ad9834_calc_freqreg(clk_freq, fout); st->freq_data[0] = cpu_to_be16(addr | (regval & RES_MASK(AD9834_FREQ_BITS / 2))); @@ -389,16 +393,11 @@ static const struct iio_info ad9833_info = { static int ad9834_probe(struct spi_device *spi) { - struct ad9834_platform_data *pdata = dev_get_platdata(&spi->dev); struct ad9834_state *st; struct iio_dev *indio_dev; struct regulator *reg; int ret; - if (!pdata) { - dev_dbg(&spi->dev, "no platform data?\n"); - return -ENODEV; - } reg = devm_regulator_get(&spi->dev, "avdd"); if (IS_ERR(reg)) @@ -418,7 +417,14 @@ static int ad9834_probe(struct spi_device *spi) spi_set_drvdata(spi, indio_dev); st = iio_priv(indio_dev); mutex_init(&st->lock); - st->mclk = pdata->mclk; + st->mclk = devm_clk_get(&spi->dev, NULL); + + ret = clk_prepare_enable(st->mclk); + if (ret) { + dev_err(&spi->dev, "Failed to enable master clock\n"); + goto error_disable_reg; + } + st->spi = spi; st->devid = spi_get_device_id(spi)->driver_data; st->reg = reg; @@ -454,42 +460,41 @@ static int ad9834_probe(struct spi_device *spi) spi_message_add_tail(&st->freq_xfer[1], &st->freq_msg); st->control = AD9834_B28 | AD9834_RESET; + st->control |= AD9834_DIV2; - if (!pdata->en_div2) - st->control |= AD9834_DIV2; - - if (!pdata->en_signbit_msb_out && (st->devid == ID_AD9834)) + if (st->devid == ID_AD9834) st->control |= AD9834_SIGN_PIB; st->data = cpu_to_be16(AD9834_REG_CMD | st->control); ret = spi_sync(st->spi, &st->msg); if (ret) { dev_err(&spi->dev, "device init failed\n"); - goto error_disable_reg; + goto error_clock_unprepare; } - ret = ad9834_write_frequency(st, AD9834_REG_FREQ0, pdata->freq0); + ret = ad9834_write_frequency(st, AD9834_REG_FREQ0, 1000000); if (ret) - goto error_disable_reg; + goto error_clock_unprepare; - ret = ad9834_write_frequency(st, AD9834_REG_FREQ1, pdata->freq1); + ret = ad9834_write_frequency(st, AD9834_REG_FREQ1, 5000000); if (ret) - goto error_disable_reg; + goto error_clock_unprepare; - ret = ad9834_write_phase(st, AD9834_REG_PHASE0, pdata->phase0); + ret = ad9834_write_phase(st, AD9834_REG_PHASE0, 512); if (ret) - goto error_disable_reg; + goto error_clock_unprepare; - ret = ad9834_write_phase(st, AD9834_REG_PHASE1, pdata->phase1); + ret = ad9834_write_phase(st, AD9834_REG_PHASE1, 1024); if (ret) - goto error_disable_reg; + goto error_clock_unprepare; ret = iio_device_register(indio_dev); if (ret) - goto error_disable_reg; + goto error_clock_unprepare; return 0; - +error_clock_unprepare: + clk_disable_unprepare(st->mclk); error_disable_reg: regulator_disable(reg); @@ -502,6 +507,7 @@ static int ad9834_remove(struct spi_device *spi) struct ad9834_state *st = iio_priv(indio_dev); iio_device_unregister(indio_dev); + clk_disable_unprepare(st->mclk); regulator_disable(st->reg); return 0; diff --git a/drivers/staging/iio/frequency/ad9834.h b/drivers/staging/iio/frequency/ad9834.h index ae620f38eb49..da7e83ceedad 100644 --- a/drivers/staging/iio/frequency/ad9834.h +++ b/drivers/staging/iio/frequency/ad9834.h @@ -8,32 +8,4 @@ #ifndef IIO_DDS_AD9834_H_ #define IIO_DDS_AD9834_H_ -/* - * TODO: struct ad7887_platform_data needs to go into include/linux/iio - */ - -/** - * struct ad9834_platform_data - platform specific information - * @mclk: master clock in Hz - * @freq0: power up freq0 tuning word in Hz - * @freq1: power up freq1 tuning word in Hz - * @phase0: power up phase0 value [0..4095] correlates with 0..2PI - * @phase1: power up phase1 value [0..4095] correlates with 0..2PI - * @en_div2: digital output/2 is passed to the SIGN BIT OUT pin - * @en_signbit_msb_out: the MSB (or MSB/2) of the DAC data is connected to the - * SIGN BIT OUT pin. en_div2 controls whether it is the MSB - * or MSB/2 that is output. if en_signbit_msb_out=false, - * the on-board comparator is connected to SIGN BIT OUT - */ - -struct ad9834_platform_data { - unsigned int mclk; - unsigned int freq0; - unsigned int freq1; - unsigned short phase0; - unsigned short phase1; - bool en_div2; - bool en_signbit_msb_out; -}; - #endif /* IIO_DDS_AD9834_H_ */ diff --git a/drivers/tty/serial/rp2.c b/drivers/tty/serial/rp2.c index 944a4c010579..a8d3fbde5b0e 100644 --- a/drivers/tty/serial/rp2.c +++ b/drivers/tty/serial/rp2.c @@ -600,8 +600,8 @@ static void rp2_reset_asic(struct rp2_card *card, unsigned int asic_id) u32 clk_cfg; writew(1, base + RP2_GLOBAL_CMD); - readw(base + RP2_GLOBAL_CMD); msleep(100); + readw(base + RP2_GLOBAL_CMD); writel(0, base + RP2_CLK_PRESCALER); /* TDM clock configuration */ diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c index abcacd377e09..4c8c961d2320 100644 --- a/drivers/tty/vt/vt.c +++ b/drivers/tty/vt/vt.c @@ -4450,7 +4450,7 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op) int c; if (op->data) { - font.data = kmalloc(max_font_size, GFP_KERNEL); + font.data = kzalloc(max_font_size, GFP_KERNEL); if (!font.data) return -ENOMEM; } else diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 3bda856ff2ca..6a626f41cded 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -81,7 +81,7 @@ static int hw_device_state(struct ci_hdrc *ci, u32 dma) hw_write(ci, OP_ENDPTLISTADDR, ~0, dma); /* interrupt, error, port change, reset, sleep/suspend */ hw_write(ci, OP_USBINTR, ~0, - USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI); + USBi_UI|USBi_UEI|USBi_PCI|USBi_URI); } else { hw_write(ci, OP_USBINTR, ~0, 0); } @@ -748,6 +748,7 @@ __releases(ci->lock) __acquires(ci->lock) { int retval; + u32 intr; spin_unlock(&ci->lock); if (ci->gadget.speed != USB_SPEED_UNKNOWN) @@ -761,6 +762,11 @@ __acquires(ci->lock) if (retval) goto done; + /* clear SLI */ + hw_write(ci, OP_USBSTS, USBi_SLI, USBi_SLI); + intr = hw_read(ci, OP_USBINTR, ~0); + hw_write(ci, OP_USBINTR, ~0, intr | USBi_SLI); + ci->status = usb_ep_alloc_request(&ci->ep0in->ep, GFP_ATOMIC); if (ci->status == NULL) retval = -ENOMEM; diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 4002c6790be6..c10306234bb1 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -116,6 +116,7 @@ static void __dwc3_set_mode(struct work_struct *work) struct dwc3 *dwc = work_to_dwc(work); unsigned long flags; int ret; + u32 reg; if (dwc->dr_mode != USB_DR_MODE_OTG) return; @@ -167,7 +168,11 @@ static void __dwc3_set_mode(struct work_struct *work) otg_set_vbus(dwc->usb2_phy->otg, true); phy_set_mode(dwc->usb2_generic_phy, PHY_MODE_USB_HOST); phy_set_mode(dwc->usb3_generic_phy, PHY_MODE_USB_HOST); - phy_calibrate(dwc->usb2_generic_phy); + if (dwc->dis_split_quirk) { + reg = dwc3_readl(dwc->regs, DWC3_GUCTL3); + reg |= DWC3_GUCTL3_SPLITDISABLE; + dwc3_writel(dwc->regs, DWC3_GUCTL3, reg); + } } break; case DWC3_GCTL_PRTCAP_DEVICE: @@ -399,6 +404,7 @@ static int dwc3_alloc_event_buffers(struct dwc3 *dwc, unsigned length) int dwc3_event_buffers_setup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; + u32 reg; if (!dwc->ev_buf) return 0; @@ -411,8 +417,10 @@ int dwc3_event_buffers_setup(struct dwc3 *dwc) upper_32_bits(evt->dma)); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_SIZE(evt->length)); - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); + /* Clear any stale event */ + reg = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), reg); return 0; } @@ -439,7 +447,10 @@ void dwc3_event_buffers_cleanup(struct dwc3 *dwc) dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(0), 0); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_INTMASK | DWC3_GEVNTSIZ_SIZE(0)); - dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); + + /* Clear any stale event */ + reg = dwc3_readl(dwc->regs, DWC3_GEVNTCOUNT(0)); + dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), reg); } static int dwc3_alloc_scratch_buffers(struct dwc3 *dwc) @@ -1178,7 +1189,6 @@ static int dwc3_core_init_mode(struct dwc3 *dwc) dev_err(dev, "failed to initialize host\n"); return ret; } - phy_calibrate(dwc->usb2_generic_phy); break; case USB_DR_MODE_OTG: INIT_WORK(&dwc->drd_work, __dwc3_set_mode); @@ -1316,6 +1326,9 @@ static void dwc3_get_properties(struct dwc3 *dwc) dwc->dis_metastability_quirk = device_property_read_bool(dev, "snps,dis_metastability_quirk"); + dwc->dis_split_quirk = device_property_read_bool(dev, + "snps,dis-split-quirk"); + dwc->lpm_nyet_threshold = lpm_nyet_threshold; dwc->tx_de_emphasis = tx_de_emphasis; @@ -1785,7 +1798,11 @@ static int dwc3_runtime_resume(struct device *dev) switch (dwc->current_dr_role) { case DWC3_GCTL_PRTCAP_DEVICE: - dwc3_gadget_process_pending_events(dwc); + if (dwc->pending_events) { + pm_runtime_put(dwc->dev); + dwc->pending_events = false; + enable_irq(dwc->irq_gadget); + } break; case DWC3_GCTL_PRTCAP_HOST: default: @@ -1852,10 +1869,32 @@ static int dwc3_resume(struct device *dev) return 0; } + +static void dwc3_complete(struct device *dev) +{ + struct dwc3 *dwc = dev_get_drvdata(dev); + u32 reg; + + if (dwc->current_dr_role == DWC3_GCTL_PRTCAP_HOST && + dwc->dis_split_quirk) { + reg = dwc3_readl(dwc->regs, DWC3_GUCTL3); + reg |= DWC3_GUCTL3_SPLITDISABLE; + dwc3_writel(dwc->regs, DWC3_GUCTL3, reg); + } +} +#else +#define dwc3_complete NULL #endif /* CONFIG_PM_SLEEP */ static const struct dev_pm_ops dwc3_dev_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(dwc3_suspend, dwc3_resume) + .complete = dwc3_complete, + + /* + * Runtime suspend halts the controller on disconnection. It relies on + * platforms with custom connection notification to start the controller + * again. + */ SET_RUNTIME_PM_OPS(dwc3_runtime_suspend, dwc3_runtime_resume, dwc3_runtime_idle) }; diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index a1d65e36a4d4..1115ed88f357 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -135,6 +135,7 @@ #define DWC3_GEVNTCOUNT(n) (0xc40c + ((n) * 0x10)) #define DWC3_GHWPARAMS8 0xc600 +#define DWC3_GUCTL3 0xc60c #define DWC3_GFLADJ 0xc630 /* Device Registers */ @@ -362,6 +363,9 @@ /* Global User Control Register 2 */ #define DWC3_GUCTL2_RST_ACTBITLATER BIT(14) +/* Global User Control Register 3 */ +#define DWC3_GUCTL3_SPLITDISABLE BIT(14) + /* Device Configuration Register */ #define DWC3_DCFG_DEVADDR(addr) ((addr) << 3) #define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f) @@ -1004,6 +1008,7 @@ struct dwc3_scratchpad_array { * 2 - No de-emphasis * 3 - Reserved * @dis_metastability_quirk: set to disable metastability quirk. + * @dis_split_quirk: set to disable split boundary. * @imod_interval: set the interrupt moderation interval in 250ns * increments or 0 to disable. */ @@ -1175,6 +1180,8 @@ struct dwc3 { unsigned dis_metastability_quirk:1; + unsigned dis_split_quirk:1; + u16 imod_interval; }; @@ -1423,7 +1430,6 @@ static inline void dwc3_otg_host_init(struct dwc3 *dwc) #if !IS_ENABLED(CONFIG_USB_DWC3_HOST) int dwc3_gadget_suspend(struct dwc3 *dwc); int dwc3_gadget_resume(struct dwc3 *dwc); -void dwc3_gadget_process_pending_events(struct dwc3 *dwc); #else static inline int dwc3_gadget_suspend(struct dwc3 *dwc) { @@ -1435,9 +1441,6 @@ static inline int dwc3_gadget_resume(struct dwc3 *dwc) return 0; } -static inline void dwc3_gadget_process_pending_events(struct dwc3 *dwc) -{ -} #endif /* !IS_ENABLED(CONFIG_USB_DWC3_HOST) */ #if IS_ENABLED(CONFIG_USB_DWC3_ULPI) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index e617a28aca43..c6610c15e03e 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -3474,14 +3474,3 @@ int dwc3_gadget_resume(struct dwc3 *dwc) err0: return ret; } - -void dwc3_gadget_process_pending_events(struct dwc3 *dwc) -{ - if (dwc->pending_events) { - dwc3_interrupt(dwc->irq_gadget, dwc->ev_buf); - dwc3_thread_interrupt(dwc->irq_gadget, dwc->ev_buf); - pm_runtime_put(dwc->dev); - dwc->pending_events = false; - enable_irq(dwc->irq_gadget); - } -} diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 6e34f8086397..da3d0a40828c 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -55,6 +55,7 @@ #define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142 #define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242 #define PCI_DEVICE_ID_ASMEDIA_2142_XHCI 0x2142 +#define PCI_DEVICE_ID_ASMEDIA_3042_XHCI 0x3042 #define PCI_DEVICE_ID_ASMEDIA_3242_XHCI 0x3242 static const char hcd_name[] = "xhci_hcd"; @@ -272,6 +273,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI) xhci->quirks |= XHCI_ASMEDIA_MODIFY_FLOWCONTROL; + if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && + pdev->device == PCI_DEVICE_ID_ASMEDIA_3042_XHCI) + xhci->quirks |= XHCI_RESET_ON_RESUME; + if (pdev->vendor == PCI_VENDOR_ID_TI && pdev->device == 0x8241) xhci->quirks |= XHCI_LIMIT_ENDPOINT_INTERVAL_7; diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 6579c9af8858..7ce5642a8591 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1431,6 +1431,14 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, trace_xhci_handle_command(xhci->cmd_ring, &cmd_trb->generic); + cmd_comp_code = GET_COMP_CODE(le32_to_cpu(event->status)); + + /* If CMD ring stopped we own the trbs between enqueue and dequeue */ + if (cmd_comp_code == COMP_COMMAND_RING_STOPPED) { + complete_all(&xhci->cmd_ring_stop_completion); + return; + } + cmd_dequeue_dma = xhci_trb_virt_to_dma(xhci->cmd_ring->deq_seg, cmd_trb); /* @@ -1447,14 +1455,6 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, cancel_delayed_work(&xhci->cmd_timer); - cmd_comp_code = GET_COMP_CODE(le32_to_cpu(event->status)); - - /* If CMD ring stopped we own the trbs between enqueue and dequeue */ - if (cmd_comp_code == COMP_COMMAND_RING_STOPPED) { - complete_all(&xhci->cmd_ring_stop_completion); - return; - } - if (cmd->command_trb != xhci->cmd_ring->dequeue) { xhci_err(xhci, "Command completion event does not match command\n"); diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 32a5f2a62ad5..fb6551c5d805 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1273,7 +1273,7 @@ enum xhci_setup_dev { /* Set TR Dequeue Pointer command TRB fields, 6.4.3.9 */ #define TRB_TO_STREAM_ID(p) ((((p) & (0xffff << 16)) >> 16)) #define STREAM_ID_FOR_TRB(p) ((((p)) & 0xffff) << 16) -#define SCT_FOR_TRB(p) (((p) << 1) & 0x7) +#define SCT_FOR_TRB(p) (((p) & 0x7) << 1) /* Link TRB specific fields */ #define TRB_TC (1<<1) diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c index 718d692b07ac..4b9bd99453fd 100644 --- a/drivers/usb/misc/appledisplay.c +++ b/drivers/usb/misc/appledisplay.c @@ -111,7 +111,12 @@ static void appledisplay_complete(struct urb *urb) case ACD_BTN_BRIGHT_UP: case ACD_BTN_BRIGHT_DOWN: pdata->button_pressed = 1; - schedule_delayed_work(&pdata->work, 0); + /* + * there is a window during which no device + * is registered + */ + if (pdata->bd ) + schedule_delayed_work(&pdata->work, 0); break; case ACD_BTN_NONE: default: @@ -208,6 +213,7 @@ static int appledisplay_probe(struct usb_interface *iface, const struct usb_device_id *id) { struct backlight_properties props; + struct backlight_device *backlight; struct appledisplay *pdata; struct usb_device *udev = interface_to_usbdev(iface); struct usb_endpoint_descriptor *endpoint; @@ -278,13 +284,14 @@ static int appledisplay_probe(struct usb_interface *iface, memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_RAW; props.max_brightness = 0xff; - pdata->bd = backlight_device_register(bl_name, NULL, pdata, + backlight = backlight_device_register(bl_name, NULL, pdata, &appledisplay_bl_data, &props); - if (IS_ERR(pdata->bd)) { + if (IS_ERR(backlight)) { dev_err(&iface->dev, "Backlight registration failed\n"); - retval = PTR_ERR(pdata->bd); + retval = PTR_ERR(backlight); goto error; } + pdata->bd = backlight; /* Try to get brightness */ brightness = appledisplay_bl_get_brightness(pdata->bd); diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c index 9d780b77314b..5a8b2873c29b 100644 --- a/drivers/usb/misc/cypress_cy7c63.c +++ b/drivers/usb/misc/cypress_cy7c63.c @@ -88,6 +88,9 @@ static int vendor_command(struct cypress *dev, unsigned char request, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, address, data, iobuf, CYPRESS_MAX_REQSIZE, USB_CTRL_GET_TIMEOUT); + /* we must not process garbage */ + if (retval < 2) + goto err_buf; /* store returned data (more READs to be added) */ switch (request) { @@ -107,6 +110,7 @@ static int vendor_command(struct cypress *dev, unsigned char request, break; } +err_buf: kfree(iobuf); error: return retval; diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c index 08b72bb22b7e..de2cc882f576 100644 --- a/drivers/usb/misc/yurex.c +++ b/drivers/usb/misc/yurex.c @@ -508,8 +508,11 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer, __func__, retval); goto error; } - if (set && timeout) + if (set && timeout) { + spin_lock_irq(&dev->lock); dev->bbu = c2; + spin_unlock_irq(&dev->lock); + } return timeout ? count : -EIO; error: diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index 0277f62739a2..1bb3c001cfd8 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -579,7 +579,7 @@ void devm_usb_put_phy(struct device *dev, struct usb_phy *phy) { int r; - r = devres_destroy(dev, devm_usb_phy_release, devm_usb_phy_match, phy); + r = devres_release(dev, devm_usb_phy_release, devm_usb_phy_match, phy); dev_WARN_ONCE(dev, r, "couldn't find PHY resource\n"); } EXPORT_SYMBOL_GPL(devm_usb_put_phy); diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 0a284bf9f0dc..761054bdb733 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -279,6 +279,7 @@ static void option_instat_callback(struct urb *urb); #define QUECTEL_PRODUCT_EG912Y 0x6001 #define QUECTEL_PRODUCT_EC200S_CN 0x6002 #define QUECTEL_PRODUCT_EC200A 0x6005 +#define QUECTEL_PRODUCT_EG916Q 0x6007 #define QUECTEL_PRODUCT_EM061K_LWW 0x6008 #define QUECTEL_PRODUCT_EM061K_LCN 0x6009 #define QUECTEL_PRODUCT_EC200T 0x6026 @@ -1270,6 +1271,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG912Y, 0xff, 0, 0) }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG916Q, 0xff, 0x00, 0x00) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, @@ -1380,10 +1382,16 @@ static const struct usb_device_id option_ids[] = { .driver_info = NCTRL(0) | RSVD(1) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a2, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(4) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(3) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a7, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(4) }, { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff), /* Telit FN20C04 (rmnet) */ .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) }, + { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10aa, 0xff), /* Telit FN920C04 (MBIM) */ + .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910), .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) }, { USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM), diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c index 4bbccc30748a..96aca606cfea 100644 --- a/drivers/usb/serial/pl2303.c +++ b/drivers/usb/serial/pl2303.c @@ -112,6 +112,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(SMART_VENDOR_ID, SMART_PRODUCT_ID) }, { USB_DEVICE(AT_VENDOR_ID, AT_VTKIT3_PRODUCT_ID) }, { USB_DEVICE(IBM_VENDOR_ID, IBM_PRODUCT_ID) }, + { USB_DEVICE(MACROSILICON_VENDOR_ID, MACROSILICON_MS3020_PRODUCT_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/pl2303.h b/drivers/usb/serial/pl2303.h index 873e50088a36..fcabe62cc851 100644 --- a/drivers/usb/serial/pl2303.h +++ b/drivers/usb/serial/pl2303.h @@ -165,3 +165,7 @@ /* Allied Telesis VT-Kit3 */ #define AT_VENDOR_ID 0x0caa #define AT_VTKIT3_PRODUCT_ID 0x3001 + +/* Macrosilicon MS3020 */ +#define MACROSILICON_VENDOR_ID 0x345f +#define MACROSILICON_MS3020_PRODUCT_ID 0x3020 diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index b270be141b8e..606a68bd8059 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -2412,6 +2412,17 @@ UNUSUAL_DEV( 0xc251, 0x4003, 0x0100, 0x0100, USB_SC_DEVICE, USB_PR_DEVICE, NULL, US_FL_NOT_LOCKABLE), +/* + * Reported by Icenowy Zheng <uwu@xxxxxxxxxx> + * This is an interface for vendor-specific cryptic commands instead + * of real USB storage device. + */ +UNUSUAL_DEV( 0xe5b7, 0x0811, 0x0100, 0x0100, + "ZhuHai JieLi Technology", + "JieLi BR21", + USB_SC_DEVICE, USB_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE), + /* Reported by Andrew Simmons <andrew.simmons@xxxxxxxxx> */ UNUSUAL_DEV( 0xed06, 0x4500, 0x0001, 0x0001, "DataStor", diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index d396836244ff..ae6835a79239 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -465,6 +465,7 @@ static void typec_altmode_release(struct device *dev) typec_altmode_put_partner(alt); altmode_id_remove(alt->adev.dev.parent, alt->id); + put_device(alt->adev.dev.parent); kfree(alt); } @@ -514,6 +515,8 @@ typec_register_altmode(struct device *parent, alt->adev.dev.type = &typec_altmode_dev_type; dev_set_name(&alt->adev.dev, "%s.%u", dev_name(parent), id); + get_device(alt->adev.dev.parent); + /* Link partners and plugs with the ports */ if (is_port) BLOCKING_INIT_NOTIFIER_HEAD(&alt->nh); diff --git a/drivers/video/fbdev/hpfb.c b/drivers/video/fbdev/hpfb.c index 9230db9ea94b..47ec02a38f76 100644 --- a/drivers/video/fbdev/hpfb.c +++ b/drivers/video/fbdev/hpfb.c @@ -343,6 +343,7 @@ static int hpfb_dio_probe(struct dio_dev *d, const struct dio_device_id *ent) if (hpfb_init_one(paddr, vaddr)) { if (d->scode >= DIOII_SCBASE) iounmap((void *)vaddr); + release_mem_region(d->resource.start, resource_size(&d->resource)); return -ENOMEM; } return 0; diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c index 90dee3e6f8bc..f76da5c6c6cd 100644 --- a/drivers/video/fbdev/pxafb.c +++ b/drivers/video/fbdev/pxafb.c @@ -2437,6 +2437,7 @@ static int pxafb_remove(struct platform_device *dev) info = &fbi->fb; pxafb_overlay_exit(fbi); + cancel_work_sync(&fbi->task); unregister_framebuffer(info); pxafb_disable_controller(fbi); diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c index b7f9da690db2..38a772582bc3 100644 --- a/drivers/video/fbdev/sis/sis_main.c +++ b/drivers/video/fbdev/sis/sis_main.c @@ -197,7 +197,7 @@ static void sisfb_search_mode(char *name, bool quiet) { unsigned int j = 0, xres = 0, yres = 0, depth = 0, rate = 0; int i = 0; - char strbuf[16], strbuf1[20]; + char strbuf[24], strbuf1[20]; char *nameptr = name; /* We don't know the hardware specs yet and there is no ivideo */ diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c index 3d9997595d90..98f82c759d1e 100644 --- a/drivers/xen/swiotlb-xen.c +++ b/drivers/xen/swiotlb-xen.c @@ -94,34 +94,24 @@ static inline dma_addr_t xen_virt_to_bus(void *address) return xen_phys_to_bus(virt_to_phys(address)); } -static int check_pages_physically_contiguous(unsigned long xen_pfn, - unsigned int offset, - size_t length) +static inline int range_straddles_page_boundary(phys_addr_t p, size_t size) { - unsigned long next_bfn; - int i; - int nr_pages; + unsigned long next_bfn, xen_pfn = XEN_PFN_DOWN(p); + unsigned int i, nr_pages = XEN_PFN_UP(xen_offset_in_page(p) + size); + phys_addr_t algn = 1ULL << (get_order(size) + PAGE_SHIFT); next_bfn = pfn_to_bfn(xen_pfn); - nr_pages = (offset + length + XEN_PAGE_SIZE-1) >> XEN_PAGE_SHIFT; - for (i = 1; i < nr_pages; i++) { + /* If buffer is physically aligned, ensure DMA alignment. */ + if (IS_ALIGNED(p, algn) && + !IS_ALIGNED((phys_addr_t)next_bfn << XEN_PAGE_SHIFT, algn)) + return 1; + + for (i = 1; i < nr_pages; i++) if (pfn_to_bfn(++xen_pfn) != ++next_bfn) - return 0; - } - return 1; -} + return 1; -static inline int range_straddles_page_boundary(phys_addr_t p, size_t size) -{ - unsigned long xen_pfn = XEN_PFN_DOWN(p); - unsigned int offset = p & ~XEN_PAGE_MASK; - - if (offset + size <= XEN_PAGE_SIZE) - return 0; - if (check_pages_physically_contiguous(xen_pfn, offset, size)) - return 0; - return 1; + return 0; } static int is_xen_swiotlb_buffer(dma_addr_t dma_addr) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 437ca4691967..1f4c446409cf 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4244,6 +4244,17 @@ static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info) } spin_unlock(&fs_info->ordered_root_lock); + /* + * Wait for any fixup workers to complete. + * If we don't wait for them here and they are still running by the time + * we call kthread_stop() against the cleaner kthread further below, we + * get an use-after-free on the cleaner because the fixup worker adds an + * inode to the list of delayed iputs and then attempts to wakeup the + * cleaner kthread, which was already stopped and destroyed. We parked + * already the cleaner, but below we run all pending delayed iputs. + */ + btrfs_flush_workqueue(fs_info->fixup_workers); + /* * We need this here because if we've been flipped read-only we won't * get sync() from the umount, so we need to make sure any ordered diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index de10899da837..98b17992524b 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -88,7 +88,6 @@ static int ceph_set_page_dirty(struct page *page) /* dirty the head */ spin_lock(&ci->i_ceph_lock); - BUG_ON(ci->i_wr_ref == 0); // caller should hold Fw reference if (__ceph_have_pending_cap_snap(ci)) { struct ceph_cap_snap *capsnap = list_last_entry(&ci->i_cap_snaps, diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index fa2579abea7d..3871df6b6732 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -629,6 +629,7 @@ enum { */ #define EXT4_EX_NOCACHE 0x40000000 #define EXT4_EX_FORCE_CACHE 0x20000000 +#define EXT4_EX_NOFAIL 0x10000000 /* * Flags used by ext4_free_blocks diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index d162cc059053..4f2b48627db0 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -290,11 +290,14 @@ ext4_force_split_extent_at(handle_t *handle, struct inode *inode, { struct ext4_ext_path *path = *ppath; int unwritten = ext4_ext_is_unwritten(path[path->p_depth].p_ext); + int flags = EXT4_EX_NOCACHE | EXT4_GET_BLOCKS_PRE_IO; + + if (nofail) + flags |= EXT4_GET_BLOCKS_METADATA_NOFAIL | EXT4_EX_NOFAIL; return ext4_split_extent_at(handle, inode, ppath, lblk, unwritten ? EXT4_EXT_MARK_UNWRIT1|EXT4_EXT_MARK_UNWRIT2 : 0, - EXT4_EX_NOCACHE | EXT4_GET_BLOCKS_PRE_IO | - (nofail ? EXT4_GET_BLOCKS_METADATA_NOFAIL:0)); + flags); } /* @@ -536,8 +539,12 @@ __read_extent_tree_block(const char *function, unsigned int line, { struct buffer_head *bh; int err; + gfp_t gfp_flags = __GFP_MOVABLE | GFP_NOFS; + + if (flags & EXT4_EX_NOFAIL) + gfp_flags |= __GFP_NOFAIL; - bh = sb_getblk_gfp(inode->i_sb, pblk, __GFP_MOVABLE | GFP_NOFS); + bh = sb_getblk_gfp(inode->i_sb, pblk, gfp_flags); if (unlikely(!bh)) return ERR_PTR(-ENOMEM); @@ -879,6 +886,10 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block, struct ext4_ext_path *path = orig_path ? *orig_path : NULL; short int depth, i, ppos = 0; int ret; + gfp_t gfp_flags = GFP_NOFS; + + if (flags & EXT4_EX_NOFAIL) + gfp_flags |= __GFP_NOFAIL; eh = ext_inode_hdr(inode); depth = ext_depth(inode); @@ -899,7 +910,7 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block, if (!path) { /* account possible depth increase */ path = kcalloc(depth + 2, sizeof(struct ext4_ext_path), - GFP_NOFS); + gfp_flags); if (unlikely(!path)) return ERR_PTR(-ENOMEM); path[0].p_maxdepth = depth + 1; @@ -945,6 +956,8 @@ ext4_find_extent(struct inode *inode, ext4_lblk_t block, ext4_ext_show_path(inode, path); + if (orig_path) + *orig_path = path; return path; err: @@ -1049,9 +1062,13 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode, ext4_fsblk_t newblock, oldblock; __le32 border; ext4_fsblk_t *ablocks = NULL; /* array of allocated blocks */ + gfp_t gfp_flags = GFP_NOFS; int err = 0; size_t ext_size = 0; + if (flags & EXT4_EX_NOFAIL) + gfp_flags |= __GFP_NOFAIL; + /* make decision: where to split? */ /* FIXME: now decision is simplest: at current extent */ @@ -1085,7 +1102,7 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode, * We need this to handle errors and free blocks * upon them. */ - ablocks = kcalloc(depth, sizeof(ext4_fsblk_t), GFP_NOFS); + ablocks = kcalloc(depth, sizeof(ext4_fsblk_t), gfp_flags); if (!ablocks) return -ENOMEM; @@ -1872,6 +1889,7 @@ static void ext4_ext_try_to_merge_up(handle_t *handle, path[0].p_hdr->eh_max = cpu_to_le16(max_root); brelse(path[1].p_bh); + path[1].p_bh = NULL; ext4_free_blocks(handle, inode, NULL, blk, 1, EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET); } @@ -2074,7 +2092,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode, if (next != EXT_MAX_BLOCKS) { ext_debug("next leaf block - %u\n", next); BUG_ON(npath != NULL); - npath = ext4_find_extent(inode, next, NULL, 0); + npath = ext4_find_extent(inode, next, NULL, gb_flags); if (IS_ERR(npath)) return PTR_ERR(npath); BUG_ON(npath->p_depth != path->p_depth); @@ -2099,6 +2117,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode, ppath, newext); if (err) goto cleanup; + path = *ppath; depth = ext_depth(inode); eh = path[depth].p_hdr; @@ -2876,7 +2895,8 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start, ext4_fsblk_t pblk; /* find extent for or closest extent to this block */ - path = ext4_find_extent(inode, end, NULL, EXT4_EX_NOCACHE); + path = ext4_find_extent(inode, end, NULL, + EXT4_EX_NOCACHE | EXT4_EX_NOFAIL); if (IS_ERR(path)) { ext4_journal_stop(handle); return PTR_ERR(path); @@ -2958,7 +2978,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start, le16_to_cpu(path[k].p_hdr->eh_entries)+1; } else { path = kcalloc(depth + 1, sizeof(struct ext4_ext_path), - GFP_NOFS); + GFP_NOFS | __GFP_NOFAIL); if (path == NULL) { ext4_journal_stop(handle); return -ENOMEM; @@ -3273,9 +3293,27 @@ static int ext4_split_extent_at(handle_t *handle, ext4_ext_mark_unwritten(ex2); err = ext4_ext_insert_extent(handle, inode, ppath, &newex, flags); - if (err != -ENOSPC && err != -EDQUOT) + if (err != -ENOSPC && err != -EDQUOT && err != -ENOMEM) goto out; + /* + * Update path is required because previous ext4_ext_insert_extent() + * may have freed or reallocated the path. Using EXT4_EX_NOFAIL + * guarantees that ext4_find_extent() will not return -ENOMEM, + * otherwise -ENOMEM will cause a retry in do_writepages(), and a + * WARN_ON may be triggered in ext4_da_update_reserve_space() due to + * an incorrect ee_len causing the i_reserved_data_blocks exception. + */ + path = ext4_find_extent(inode, ee_block, ppath, + flags | EXT4_EX_NOFAIL); + if (IS_ERR(path)) { + EXT4_ERROR_INODE(inode, "Failed split extent on %u, err %ld", + split, PTR_ERR(path)); + return PTR_ERR(path); + } + depth = ext_depth(inode); + ex = path[depth].p_ext; + if (EXT4_EXT_MAY_ZEROOUT & split_flag) { if (split_flag & (EXT4_EXT_DATA_VALID1|EXT4_EXT_DATA_VALID2)) { if (split_flag & EXT4_EXT_DATA_VALID1) { @@ -3324,7 +3362,7 @@ static int ext4_split_extent_at(handle_t *handle, ext4_ext_dirty(handle, inode, path + path->p_depth); return err; out: - ext4_ext_show_leaf(inode, path); + ext4_ext_show_leaf(inode, *ppath); return err; } @@ -3380,7 +3418,7 @@ static int ext4_split_extent(handle_t *handle, * Update path is required because previous ext4_split_extent_at() may * result in split of original leaf or extent zeroout. */ - path = ext4_find_extent(inode, map->m_lblk, ppath, 0); + path = ext4_find_extent(inode, map->m_lblk, ppath, flags); if (IS_ERR(path)) return PTR_ERR(path); depth = ext_depth(inode); @@ -4675,7 +4713,14 @@ int ext4_ext_truncate(handle_t *handle, struct inode *inode) } if (err) return err; - return ext4_ext_remove_space(inode, last_block, EXT_MAX_BLOCKS - 1); +retry_remove_space: + err = ext4_ext_remove_space(inode, last_block, EXT_MAX_BLOCKS - 1); + if (err == -ENOMEM) { + cond_resched(); + congestion_wait(BLK_RW_ASYNC, HZ/50); + goto retry_remove_space; + } + return err; } static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset, @@ -5731,6 +5776,7 @@ int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len) path = ext4_find_extent(inode, offset_lblk, NULL, 0); if (IS_ERR(path)) { up_write(&EXT4_I(inode)->i_data_sem); + ret = PTR_ERR(path); goto out_stop; } diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 5dfb34802aed..39a824df5272 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -510,6 +510,8 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent, if (min_inodes < 1) min_inodes = 1; min_clusters = avefreec - EXT4_CLUSTERS_PER_GROUP(sb)*flex_size / 4; + if (min_clusters < 0) + min_clusters = 0; /* * Start looking in the flex group where we last allocated an diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 71bb3cfc5933..2230b3647962 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1653,24 +1653,36 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, struct ext4_dir_entry_2 **res_dir, int *has_inline_data) { + struct ext4_xattr_ibody_find is = { + .s = { .not_found = -ENODATA, }, + }; + struct ext4_xattr_info i = { + .name_index = EXT4_XATTR_INDEX_SYSTEM, + .name = EXT4_XATTR_SYSTEM_DATA, + }; int ret; - struct ext4_iloc iloc; void *inline_start; int inline_size; - if (ext4_get_inode_loc(dir, &iloc)) - return NULL; + ret = ext4_get_inode_loc(dir, &is.iloc); + if (ret) + return ERR_PTR(ret); down_read(&EXT4_I(dir)->xattr_sem); + + ret = ext4_xattr_ibody_find(dir, &i, &is); + if (ret) + goto out; + if (!ext4_has_inline_data(dir)) { *has_inline_data = 0; goto out; } - inline_start = (void *)ext4_raw_inode(&iloc)->i_block + + inline_start = (void *)ext4_raw_inode(&is.iloc)->i_block + EXT4_INLINE_DOTDOT_SIZE; inline_size = EXT4_MIN_INLINE_DATA_SIZE - EXT4_INLINE_DOTDOT_SIZE; - ret = ext4_search_dir(iloc.bh, inline_start, inline_size, + ret = ext4_search_dir(is.iloc.bh, inline_start, inline_size, dir, fname, 0, res_dir); if (ret == 1) goto out_find; @@ -1680,20 +1692,23 @@ struct buffer_head *ext4_find_inline_entry(struct inode *dir, if (ext4_get_inline_size(dir) == EXT4_MIN_INLINE_DATA_SIZE) goto out; - inline_start = ext4_get_inline_xattr_pos(dir, &iloc); + inline_start = ext4_get_inline_xattr_pos(dir, &is.iloc); inline_size = ext4_get_inline_size(dir) - EXT4_MIN_INLINE_DATA_SIZE; - ret = ext4_search_dir(iloc.bh, inline_start, inline_size, + ret = ext4_search_dir(is.iloc.bh, inline_start, inline_size, dir, fname, 0, res_dir); if (ret == 1) goto out_find; out: - brelse(iloc.bh); - iloc.bh = NULL; + brelse(is.iloc.bh); + if (ret < 0) + is.iloc.bh = ERR_PTR(ret); + else + is.iloc.bh = NULL; out_find: up_read(&EXT4_I(dir)->xattr_sem); - return iloc.bh; + return is.iloc.bh; } int ext4_delete_inline_entry(handle_t *handle, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 646285fbc9fc..a9fbb047d30d 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5545,8 +5545,9 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode) struct page *page; unsigned offset; journal_t *journal = EXT4_SB(inode->i_sb)->s_journal; - tid_t commit_tid = 0; + tid_t commit_tid; int ret; + bool has_transaction; offset = inode->i_size & (PAGE_SIZE - 1); /* @@ -5571,12 +5572,14 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode) put_page(page); if (ret != -EBUSY) return; - commit_tid = 0; + has_transaction = false; read_lock(&journal->j_state_lock); - if (journal->j_committing_transaction) + if (journal->j_committing_transaction) { commit_tid = journal->j_committing_transaction->t_tid; + has_transaction = true; + } read_unlock(&journal->j_state_lock); - if (commit_tid) + if (has_transaction) jbd2_log_wait_commit(journal, commit_tid); } } diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 75dbe40ed8f7..329b3cf10574 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -2834,11 +2834,8 @@ static void ext4_free_data_in_buddy(struct super_block *sb, /* * Clear the trimmed flag for the group so that the next * ext4_trim_fs can trim it. - * If the volume is mounted with -o discard, online discard - * is supported and the free blocks will be trimmed online. */ - if (!test_opt(sb, DISCARD)) - EXT4_MB_GRP_CLEAR_TRIMMED(db); + EXT4_MB_GRP_CLEAR_TRIMMED(db); if (!db->bb_free_root.rb_node) { /* No more items in the per group rb tree @@ -4962,8 +4959,9 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode, " group:%d block:%d count:%lu failed" " with %d", block_group, bit, count, err); - } else - EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); + } + + EXT4_MB_GRP_CLEAR_TRIMMED(e4b.bd_info); ext4_lock_group(sb, block_group); mb_clear_bits(bitmap_bh->b_data, bit, count_clusters); diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c index 4a72583c7559..9f73c2f7f949 100644 --- a/fs/ext4/migrate.c +++ b/fs/ext4/migrate.c @@ -678,8 +678,8 @@ int ext4_ind_migrate(struct inode *inode) ei->i_data[i] = cpu_to_le32(blk++); ext4_mark_inode_dirty(handle, inode); errout: - ext4_journal_stop(handle); up_write(&EXT4_I(inode)->i_data_sem); + ext4_journal_stop(handle); out_unlock: percpu_up_write(&sbi->s_writepages_rwsem); return ret; diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 2c368d67a33a..1581b48af1fe 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -37,7 +37,6 @@ get_ext_path(struct inode *inode, ext4_lblk_t lblock, *ppath = NULL; return -ENODATA; } - *ppath = path; return 0; } diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 8594feea2d93..590f3a07dc47 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1334,7 +1334,7 @@ static inline bool ext4_match(const struct ext4_filename *fname, } /* - * Returns 0 if not found, -1 on failure, and 1 on success + * Returns 0 if not found, -EFSCORRUPTED on failure, and 1 on success */ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, struct inode *dir, struct ext4_filename *fname, @@ -1355,7 +1355,7 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, * a full check */ if (ext4_check_dir_entry(dir, NULL, de, bh, search_buf, buf_size, offset)) - return -1; + return -EFSCORRUPTED; *res_dir = de; return 1; } @@ -1363,7 +1363,7 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size, de_len = ext4_rec_len_from_disk(de->rec_len, dir->i_sb->s_blocksize); if (de_len <= 0) - return -1; + return -EFSCORRUPTED; offset += de_len; de = (struct ext4_dir_entry_2 *) ((char *) de + de_len); } @@ -1514,8 +1514,10 @@ static struct buffer_head *__ext4_find_entry(struct inode *dir, goto cleanup_and_exit; } else { brelse(bh); - if (i < 0) + if (i < 0) { + ret = ERR_PTR(i); goto cleanup_and_exit; + } } next: if (++block >= nblocks) @@ -1609,7 +1611,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, if (retval == 1) goto success; brelse(bh); - if (retval == -1) { + if (retval < 0) { bh = ERR_PTR(ERR_BAD_DX_DIR); goto errout; } @@ -1830,7 +1832,7 @@ static struct ext4_dir_entry_2 *do_split(handle_t *handle, struct inode *dir, split = count/2; hash2 = map[split].hash; - continued = hash2 == map[split - 1].hash; + continued = split > 0 ? hash2 == map[split - 1].hash : 0; dxtrace(printk(KERN_INFO "Split block %lu at %x, %i/%i\n", (unsigned long)dx_get_block(frame->at), hash2, split, count-split)); diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index e9299f769dbf..4e8cd5dde186 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -437,7 +437,7 @@ static int ext4_xattr_inode_iget(struct inode *parent, unsigned long ea_ino, ext4_set_inode_state(inode, EXT4_STATE_LUSTRE_EA_INODE); ext4_xattr_inode_set_ref(inode, 1); } else { - inode_lock(inode); + inode_lock_nested(inode, I_MUTEX_XATTR); inode->i_flags |= S_NOQUOTA; inode_unlock(inode); } @@ -1053,7 +1053,7 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode, s64 ref_count; int ret; - inode_lock(ea_inode); + inode_lock_nested(ea_inode, I_MUTEX_XATTR); ret = ext4_reserve_inode_write(handle, ea_inode, &iloc); if (ret) { diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index b9fe937a3c70..cc53d4c80b0a 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -200,6 +200,27 @@ struct posix_acl *f2fs_get_acl(struct inode *inode, int type) return __f2fs_get_acl(inode, type, NULL); } +static int f2fs_acl_update_mode(struct inode *inode, umode_t *mode_p, + struct posix_acl **acl) +{ + umode_t mode = inode->i_mode; + int error; + + if (is_inode_flag_set(inode, FI_ACL_MODE)) + mode = F2FS_I(inode)->i_acl_mode; + + error = posix_acl_equiv_mode(*acl, &mode); + if (error < 0) + return error; + if (error == 0) + *acl = NULL; + if (!in_group_p(inode->i_gid) && + !capable_wrt_inode_uidgid(inode, CAP_FSETID)) + mode &= ~S_ISGID; + *mode_p = mode; + return 0; +} + static int __f2fs_set_acl(struct inode *inode, int type, struct posix_acl *acl, struct page *ipage) { @@ -213,7 +234,7 @@ static int __f2fs_set_acl(struct inode *inode, int type, case ACL_TYPE_ACCESS: name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl && !ipage) { - error = posix_acl_update_mode(inode, &mode, &acl); + error = f2fs_acl_update_mode(inode, &mode, &acl); if (error) return error; set_acl_inode(inode, mode); diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 2cd85ce3e450..044de0d7c1e0 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -79,7 +79,8 @@ static unsigned long dir_block_index(unsigned int level, unsigned long bidx = 0; for (i = 0; i < level; i++) - bidx += dir_buckets(i, dir_level) * bucket_blocks(i); + bidx += mul_u32_u32(dir_buckets(i, dir_level), + bucket_blocks(i)); bidx += idx * bucket_blocks(level); return bidx; } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index aacd8e11758c..f90aaa16bdee 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -213,7 +213,8 @@ enum { ORPHAN_INO, /* for orphan ino list */ APPEND_INO, /* for append ino list */ UPDATE_INO, /* for update ino list */ - TRANS_DIR_INO, /* for trasactions dir ino list */ + TRANS_DIR_INO, /* for transactions dir ino list */ + XATTR_DIR_INO, /* for xattr updated dir ino list */ FLUSH_INO, /* for multiple device flushing */ MAX_INO_ENTRY, /* max. list */ }; @@ -998,6 +999,7 @@ enum cp_reason_type { CP_FASTBOOT_MODE, CP_SPEC_LOG_NUM, CP_RECOVER_DIR, + CP_XATTR_DIR, }; enum iostat_type { diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 043ce96ac127..aabc5fe45a3b 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -170,6 +170,9 @@ static inline enum cp_reason_type need_do_checkpoint(struct inode *inode) f2fs_exist_written_data(sbi, F2FS_I(inode)->i_pino, TRANS_DIR_INO)) cp_reason = CP_RECOVER_DIR; + else if (f2fs_exist_written_data(sbi, F2FS_I(inode)->i_pino, + XATTR_DIR_INO)) + cp_reason = CP_XATTR_DIR; return cp_reason; } @@ -839,8 +842,10 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr) if (attr->ia_valid & ATTR_MODE) { err = posix_acl_chmod(inode, f2fs_get_inode_mode(inode)); - if (err || is_inode_flag_set(inode, FI_ACL_MODE)) { - inode->i_mode = F2FS_I(inode)->i_acl_mode; + + if (is_inode_flag_set(inode, FI_ACL_MODE)) { + if (!err) + inode->i_mode = F2FS_I(inode)->i_acl_mode; clear_inode_flag(inode, FI_ACL_MODE); } } @@ -1711,6 +1716,9 @@ static int f2fs_ioc_start_atomic_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; @@ -1768,6 +1776,9 @@ static int f2fs_ioc_commit_atomic_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; @@ -1813,6 +1824,9 @@ static int f2fs_ioc_start_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; @@ -1848,6 +1862,9 @@ static int f2fs_ioc_release_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; @@ -1877,6 +1894,9 @@ static int f2fs_ioc_abort_volatile_write(struct file *filp) struct inode *inode = file_inode(filp); int ret; + if (!(filp->f_mode & FMODE_WRITE)) + return -EBADF; + if (!inode_owner_or_capable(inode)) return -EACCES; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index b075ba3e62dc..a667d263093f 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2116,9 +2116,9 @@ static inline bool sanity_check_area_boundary(struct f2fs_sb_info *sbi, u32 segment_count = le32_to_cpu(raw_super->segment_count); u32 log_blocks_per_seg = le32_to_cpu(raw_super->log_blocks_per_seg); u64 main_end_blkaddr = main_blkaddr + - (segment_count_main << log_blocks_per_seg); + ((u64)segment_count_main << log_blocks_per_seg); u64 seg_end_blkaddr = segment0_blkaddr + - (segment_count << log_blocks_per_seg); + ((u64)segment_count << log_blocks_per_seg); if (segment0_blkaddr != cp_blkaddr) { f2fs_msg(sb, KERN_INFO, diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index db3e76b35607..0b9568480d8f 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -607,6 +607,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, const char *name, const void *value, size_t size, struct page *ipage, int flags) { + struct f2fs_sb_info *sbi = F2FS_I_SB(inode); struct f2fs_xattr_entry *here, *last; void *base_addr, *last_base_addr; nid_t xnid = F2FS_I(inode)->i_xattr_nid; @@ -651,7 +652,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, } if (value && f2fs_xattr_value_same(here, value, size)) - goto exit; + goto same; } else if ((flags & XATTR_REPLACE)) { error = -ENODATA; goto exit; @@ -729,17 +730,29 @@ static int __f2fs_setxattr(struct inode *inode, int index, if (error) goto exit; + if (index == F2FS_XATTR_INDEX_ENCRYPTION && + !strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT)) + f2fs_set_encrypted_inode(inode); + + if (!S_ISDIR(inode->i_mode)) + goto same; + /* + * In restrict mode, fsync() always try to trigger checkpoint for all + * metadata consistency, in other mode, it triggers checkpoint when + * parent's xattr metadata was updated. + */ + if (F2FS_OPTION(sbi).fsync_mode == FSYNC_MODE_STRICT) + set_sbi_flag(sbi, SBI_NEED_CP); + else + f2fs_add_ino_entry(sbi, inode->i_ino, XATTR_DIR_INO); +same: if (is_inode_flag_set(inode, FI_ACL_MODE)) { inode->i_mode = F2FS_I(inode)->i_acl_mode; - inode->i_ctime = current_time(inode); clear_inode_flag(inode, FI_ACL_MODE); } - if (index == F2FS_XATTR_INDEX_ENCRYPTION && - !strcmp(name, F2FS_XATTR_NAME_ENCRYPTION_CONTEXT)) - f2fs_set_encrypted_inode(inode); + + inode->i_ctime = current_time(inode); f2fs_mark_inode_dirty_sync(inode, true); - if (!error && S_ISDIR(inode->i_mode)) - set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_CP); exit: kzfree(base_addr); return error; diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 82cd1e69cbdf..4f8e9e70b6df 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -1018,7 +1018,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, if (corrupt < 0) { fat_fs_error(new_dir->i_sb, "%s: Filesystem corrupted (i_pos %lld)", - __func__, sinfo.i_pos); + __func__, new_i_pos); } goto out; } diff --git a/fs/fcntl.c b/fs/fcntl.c index dffb5245ae72..3579fb6da5e2 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -84,8 +84,8 @@ static int setfl(int fd, struct file * filp, unsigned long arg) return error; } -static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, - int force) +void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, + int force) { write_lock_irq(&filp->f_owner.lock); if (force || !filp->f_owner.pid) { @@ -95,19 +95,13 @@ static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, if (pid) { const struct cred *cred = current_cred(); + security_file_set_fowner(filp); filp->f_owner.uid = cred->uid; filp->f_owner.euid = cred->euid; } } write_unlock_irq(&filp->f_owner.lock); } - -void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, - int force) -{ - security_file_set_fowner(filp); - f_modown(filp, pid, type, force); -} EXPORT_SYMBOL(__f_setown); int f_setown(struct file *filp, unsigned long arg, int force) @@ -143,7 +137,7 @@ EXPORT_SYMBOL(f_setown); void f_delown(struct file *filp) { - f_modown(filp, NULL, PIDTYPE_TGID, 1); + __f_setown(filp, NULL, PIDTYPE_TGID, 1); } pid_t f_getown(struct file *filp) diff --git a/fs/inode.c b/fs/inode.c index 5df2e8ee23ed..86303c04e15e 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -616,6 +616,10 @@ void evict_inodes(struct super_block *sb) continue; spin_lock(&inode->i_lock); + if (atomic_read(&inode->i_count)) { + spin_unlock(&inode->i_lock); + continue; + } if (inode->i_state & (I_NEW | I_FREEING | I_WILL_FREE)) { spin_unlock(&inode->i_lock); continue; diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c index 66409cbd3ed5..086da7cbca1f 100644 --- a/fs/jbd2/checkpoint.c +++ b/fs/jbd2/checkpoint.c @@ -137,17 +137,23 @@ void __jbd2_log_wait_for_space(journal_t *journal) if (space_left < nblocks) { int chkpt = journal->j_checkpoint_transactions != NULL; tid_t tid = 0; + bool has_transaction = false; - if (journal->j_committing_transaction) + if (journal->j_committing_transaction) { tid = journal->j_committing_transaction->t_tid; + has_transaction = true; + } spin_unlock(&journal->j_list_lock); write_unlock(&journal->j_state_lock); if (chkpt) { jbd2_log_do_checkpoint(journal); - } else if (jbd2_cleanup_journal_tail(journal) == 0) { - /* We were able to recover space; yay! */ + } else if (jbd2_cleanup_journal_tail(journal) <= 0) { + /* + * We were able to recover space or the + * journal was aborted due to an error. + */ ; - } else if (tid) { + } else if (has_transaction) { /* * jbd2_journal_commit_transaction() may want * to take the checkpoint_mutex if JBD2_FLUSHED diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 97760cb9bcd7..0250a6e1f91c 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -187,19 +187,17 @@ static int journal_wait_on_commit_record(journal_t *journal, * use writepages() because with dealyed allocation we may be doing * block allocation in writepages(). */ -static int journal_submit_inode_data_buffers(struct address_space *mapping, - loff_t dirty_start, loff_t dirty_end) +int jbd2_journal_submit_inode_data_buffers(struct jbd2_inode *jinode) { - int ret; + struct address_space *mapping = jinode->i_vfs_inode->i_mapping; struct writeback_control wbc = { .sync_mode = WB_SYNC_ALL, .nr_to_write = mapping->nrpages * 2, - .range_start = dirty_start, - .range_end = dirty_end, + .range_start = jinode->i_dirty_start, + .range_end = jinode->i_dirty_end, }; - ret = generic_writepages(mapping, &wbc); - return ret; + return generic_writepages(mapping, &wbc); } /* @@ -215,16 +213,11 @@ static int journal_submit_data_buffers(journal_t *journal, { struct jbd2_inode *jinode; int err, ret = 0; - struct address_space *mapping; spin_lock(&journal->j_list_lock); list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) { - loff_t dirty_start = jinode->i_dirty_start; - loff_t dirty_end = jinode->i_dirty_end; - if (!(jinode->i_flags & JI_WRITE_DATA)) continue; - mapping = jinode->i_vfs_inode->i_mapping; jinode->i_flags |= JI_COMMIT_RUNNING; spin_unlock(&journal->j_list_lock); /* @@ -234,8 +227,7 @@ static int journal_submit_data_buffers(journal_t *journal, * only allocated blocks here. */ trace_jbd2_submit_inode_data(jinode->i_vfs_inode); - err = journal_submit_inode_data_buffers(mapping, dirty_start, - dirty_end); + err = jbd2_journal_submit_inode_data_buffers(jinode); if (!ret) ret = err; spin_lock(&journal->j_list_lock); @@ -248,6 +240,15 @@ static int journal_submit_data_buffers(journal_t *journal, return ret; } +int jbd2_journal_finish_inode_data_buffers(struct jbd2_inode *jinode) +{ + struct address_space *mapping = jinode->i_vfs_inode->i_mapping; + + return filemap_fdatawait_range_keep_errors(mapping, + jinode->i_dirty_start, + jinode->i_dirty_end); +} + /* * Wait for data submitted for writeout, refile inodes to proper * transaction if needed. @@ -262,16 +263,11 @@ static int journal_finish_inode_data_buffers(journal_t *journal, /* For locking, see the comment in journal_submit_data_buffers() */ spin_lock(&journal->j_list_lock); list_for_each_entry(jinode, &commit_transaction->t_inode_list, i_list) { - loff_t dirty_start = jinode->i_dirty_start; - loff_t dirty_end = jinode->i_dirty_end; - if (!(jinode->i_flags & JI_WAIT_DATA)) continue; jinode->i_flags |= JI_COMMIT_RUNNING; spin_unlock(&journal->j_list_lock); - err = filemap_fdatawait_range_keep_errors( - jinode->i_vfs_inode->i_mapping, dirty_start, - dirty_end); + err = jbd2_journal_finish_inode_data_buffers(jinode); if (!ret) ret = err; spin_lock(&journal->j_list_lock); diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 08cff80f8c29..79eceebbf3df 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -96,6 +96,8 @@ EXPORT_SYMBOL(jbd2_journal_inode_add_write); EXPORT_SYMBOL(jbd2_journal_inode_add_wait); EXPORT_SYMBOL(jbd2_journal_inode_ranged_write); EXPORT_SYMBOL(jbd2_journal_inode_ranged_wait); +EXPORT_SYMBOL(jbd2_journal_submit_inode_data_buffers); +EXPORT_SYMBOL(jbd2_journal_finish_inode_data_buffers); EXPORT_SYMBOL(jbd2_journal_init_jbd_inode); EXPORT_SYMBOL(jbd2_journal_release_jbd_inode); EXPORT_SYMBOL(jbd2_journal_begin_ordered_truncate); diff --git a/fs/jfs/jfs_discard.c b/fs/jfs/jfs_discard.c index f76ff0a46444..9d78c427b944 100644 --- a/fs/jfs/jfs_discard.c +++ b/fs/jfs/jfs_discard.c @@ -78,7 +78,7 @@ void jfs_issue_discard(struct inode *ip, u64 blkno, u64 nblocks) int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) { struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap; - struct bmap *bmp = JFS_SBI(ip->i_sb)->bmap; + struct bmap *bmp; struct super_block *sb = ipbmap->i_sb; int agno, agno_end; u64 start, end, minlen; @@ -96,10 +96,15 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) if (minlen == 0) minlen = 1; + down_read(&sb->s_umount); + bmp = JFS_SBI(ip->i_sb)->bmap; + if (minlen > bmp->db_agsize || start >= bmp->db_mapsize || - range->len < sb->s_blocksize) + range->len < sb->s_blocksize) { + up_read(&sb->s_umount); return -EINVAL; + } if (end >= bmp->db_mapsize) end = bmp->db_mapsize - 1; @@ -113,6 +118,8 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range) trimmed += dbDiscardAG(ip, agno, minlen); agno++; } + + up_read(&sb->s_umount); range->len = trimmed << sb->s_blocksize_bits; return 0; diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 893bc59658da..b6c698fe7301 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -200,7 +200,7 @@ int dbMount(struct inode *ipbmap) } bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag); - if (!bmp->db_numag) { + if (!bmp->db_numag || bmp->db_numag > MAXAG) { err = -EINVAL; goto err_release_metapage; } @@ -665,7 +665,7 @@ int dbNextAG(struct inode *ipbmap) * average free space. */ for (i = 0 ; i < bmp->db_numag; i++, agpref++) { - if (agpref == bmp->db_numag) + if (agpref >= bmp->db_numag) agpref = 0; if (atomic_read(&bmp->db_active[agpref])) @@ -3019,9 +3019,10 @@ static void dbAdjTree(dmtree_t *tp, int leafno, int newval, bool is_ctl) static int dbFindLeaf(dmtree_t *tp, int l2nb, int *leafidx, bool is_ctl) { int ti, n = 0, k, x = 0; - int max_size; + int max_size, max_idx; max_size = is_ctl ? CTLTREESIZE : TREESIZE; + max_idx = is_ctl ? LPERCTL : LPERDMAP; /* first check the root of the tree to see if there is * sufficient free space. @@ -3053,6 +3054,8 @@ static int dbFindLeaf(dmtree_t *tp, int l2nb, int *leafidx, bool is_ctl) */ assert(n < 4); } + if (le32_to_cpu(tp->dmt_leafidx) >= max_idx) + return -ENOSPC; /* set the return to the leftmost leaf describing sufficient * free space. @@ -3097,7 +3100,7 @@ static int dbFindBits(u32 word, int l2nb) /* scan the word for nb free bits at nb alignments. */ - for (bitno = 0; mask != 0; bitno += nb, mask >>= nb) { + for (bitno = 0; mask != 0; bitno += nb, mask = (mask >> nb)) { if ((mask & word) == mask) break; } diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index 9893cb6b8a75..1e9a3ec4bfa8 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -1375,7 +1375,7 @@ int diAlloc(struct inode *pip, bool dir, struct inode *ip) /* get the ag number of this iag */ agno = BLKTOAG(JFS_IP(pip)->agstart, JFS_SBI(pip->i_sb)); dn_numag = JFS_SBI(pip->i_sb)->bmap->db_numag; - if (agno < 0 || agno > dn_numag) + if (agno < 0 || agno > dn_numag || agno >= MAXAG) return -EIO; if (atomic_read(&JFS_SBI(pip->i_sb)->bmap->db_active[agno])) { diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c index 37b984692ca9..bb8c4583f065 100644 --- a/fs/jfs/xattr.c +++ b/fs/jfs/xattr.c @@ -447,6 +447,8 @@ static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size) int rc; int quota_allocation = 0; + memset(&ea_buf->new_ea, 0, sizeof(ea_buf->new_ea)); + /* When fsck.jfs clears a bad ea, it doesn't clear the size */ if (ji->ea.flag == 0) ea_size = 0; diff --git a/fs/lockd/clnt4xdr.c b/fs/lockd/clnt4xdr.c index 214a2fa1f1e3..7df6324ccb8a 100644 --- a/fs/lockd/clnt4xdr.c +++ b/fs/lockd/clnt4xdr.c @@ -74,17 +74,6 @@ static void nlm4_compute_offsets(const struct nlm_lock *lock, *l_len = loff_t_to_s64(fl->fl_end - fl->fl_start + 1); } -/* - * Handle decode buffer overflows out-of-line. - */ -static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) -{ - dprintk("lockd: %s prematurely hit the end of our receive buffer. " - "Remaining buffer length is %tu words.\n", - func, xdr->end - xdr->p); -} - - /* * Encode/decode NLMv4 basic data types * @@ -176,7 +165,6 @@ static int decode_cookie(struct xdr_stream *xdr, dprintk("NFS: returned cookie was too long: %u\n", length); return -EIO; out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; } @@ -236,7 +224,6 @@ static int decode_nlm4_stat(struct xdr_stream *xdr, __be32 *stat) __func__, be32_to_cpup(p)); return -EIO; out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; } @@ -309,7 +296,6 @@ static int decode_nlm4_holder(struct xdr_stream *xdr, struct nlm_res *result) out: return error; out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; } diff --git a/fs/lockd/clntxdr.c b/fs/lockd/clntxdr.c index 747b9c8c940a..4df62f635529 100644 --- a/fs/lockd/clntxdr.c +++ b/fs/lockd/clntxdr.c @@ -70,17 +70,6 @@ static void nlm_compute_offsets(const struct nlm_lock *lock, *l_len = loff_t_to_s32(fl->fl_end - fl->fl_start + 1); } -/* - * Handle decode buffer overflows out-of-line. - */ -static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) -{ - dprintk("lockd: %s prematurely hit the end of our receive buffer. " - "Remaining buffer length is %tu words.\n", - func, xdr->end - xdr->p); -} - - /* * Encode/decode NLMv3 basic data types * @@ -173,7 +162,6 @@ static int decode_cookie(struct xdr_stream *xdr, dprintk("NFS: returned cookie was too long: %u\n", length); return -EIO; out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; } @@ -231,7 +219,6 @@ static int decode_nlm_stat(struct xdr_stream *xdr, __func__, be32_to_cpup(p)); return -EIO; out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; } @@ -303,7 +290,6 @@ static int decode_nlm_holder(struct xdr_stream *xdr, struct nlm_res *result) out: return error; out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; } diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c index 2f84c612838c..8f8b3a7868e8 100644 --- a/fs/nfs/callback_xdr.c +++ b/fs/nfs/callback_xdr.c @@ -72,16 +72,6 @@ static int nfs4_encode_void(struct svc_rqst *rqstp, __be32 *p) return xdr_ressize_check(rqstp, p); } -static __be32 *read_buf(struct xdr_stream *xdr, size_t nbytes) -{ - __be32 *p; - - p = xdr_inline_decode(xdr, nbytes); - if (unlikely(p == NULL)) - printk(KERN_WARNING "NFS: NFSv4 callback reply buffer overflowed!\n"); - return p; -} - static __be32 decode_string(struct xdr_stream *xdr, unsigned int *len, const char **str, size_t maxlen) { @@ -98,13 +88,13 @@ static __be32 decode_fh(struct xdr_stream *xdr, struct nfs_fh *fh) { __be32 *p; - p = read_buf(xdr, 4); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); fh->size = ntohl(*p); if (fh->size > NFS4_FHSIZE) return htonl(NFS4ERR_BADHANDLE); - p = read_buf(xdr, fh->size); + p = xdr_inline_decode(xdr, fh->size); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); memcpy(&fh->data[0], p, fh->size); @@ -117,11 +107,11 @@ static __be32 decode_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) __be32 *p; unsigned int attrlen; - p = read_buf(xdr, 4); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); attrlen = ntohl(*p); - p = read_buf(xdr, attrlen << 2); + p = xdr_inline_decode(xdr, attrlen << 2); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); if (likely(attrlen > 0)) @@ -135,7 +125,7 @@ static __be32 decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) { __be32 *p; - p = read_buf(xdr, NFS4_STATEID_SIZE); + p = xdr_inline_decode(xdr, NFS4_STATEID_SIZE); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); memcpy(stateid->data, p, NFS4_STATEID_SIZE); @@ -156,7 +146,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound status = decode_string(xdr, &hdr->taglen, &hdr->tag, CB_OP_TAGLEN_MAXSZ); if (unlikely(status != 0)) return status; - p = read_buf(xdr, 12); + p = xdr_inline_decode(xdr, 12); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); hdr->minorversion = ntohl(*p++); @@ -176,7 +166,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound static __be32 decode_op_hdr(struct xdr_stream *xdr, unsigned int *op) { __be32 *p; - p = read_buf(xdr, 4); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE_HDR); *op = ntohl(*p); @@ -205,7 +195,7 @@ static __be32 decode_recall_args(struct svc_rqst *rqstp, status = decode_delegation_stateid(xdr, &args->stateid); if (unlikely(status != 0)) return status; - p = read_buf(xdr, 4); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); args->truncate = ntohl(*p); @@ -227,7 +217,7 @@ static __be32 decode_layoutrecall_args(struct svc_rqst *rqstp, __be32 status = 0; uint32_t iomode; - p = read_buf(xdr, 4 * sizeof(uint32_t)); + p = xdr_inline_decode(xdr, 4 * sizeof(uint32_t)); if (unlikely(p == NULL)) return htonl(NFS4ERR_BADXDR); @@ -245,14 +235,14 @@ static __be32 decode_layoutrecall_args(struct svc_rqst *rqstp, if (unlikely(status != 0)) return status; - p = read_buf(xdr, 2 * sizeof(uint64_t)); + p = xdr_inline_decode(xdr, 2 * sizeof(uint64_t)); if (unlikely(p == NULL)) return htonl(NFS4ERR_BADXDR); p = xdr_decode_hyper(p, &args->cbl_range.offset); p = xdr_decode_hyper(p, &args->cbl_range.length); return decode_layout_stateid(xdr, &args->cbl_stateid); } else if (args->cbl_recall_type == RETURN_FSID) { - p = read_buf(xdr, 2 * sizeof(uint64_t)); + p = xdr_inline_decode(xdr, 2 * sizeof(uint64_t)); if (unlikely(p == NULL)) return htonl(NFS4ERR_BADXDR); p = xdr_decode_hyper(p, &args->cbl_fsid.major); @@ -273,7 +263,7 @@ __be32 decode_devicenotify_args(struct svc_rqst *rqstp, __be32 status = 0; /* Num of device notifications */ - p = read_buf(xdr, sizeof(uint32_t)); + p = xdr_inline_decode(xdr, sizeof(uint32_t)); if (unlikely(p == NULL)) { status = htonl(NFS4ERR_BADXDR); goto out; @@ -292,7 +282,8 @@ __be32 decode_devicenotify_args(struct svc_rqst *rqstp, for (i = 0; i < n; i++) { struct cb_devicenotifyitem *dev = &args->devs[i]; - p = read_buf(xdr, (4 * sizeof(uint32_t)) + NFS4_DEVICEID4_SIZE); + p = xdr_inline_decode(xdr, (4 * sizeof(uint32_t)) + + NFS4_DEVICEID4_SIZE); if (unlikely(p == NULL)) { status = htonl(NFS4ERR_BADXDR); goto err; @@ -323,7 +314,7 @@ __be32 decode_devicenotify_args(struct svc_rqst *rqstp, p += XDR_QUADLEN(NFS4_DEVICEID4_SIZE); if (dev->cbd_layout_type == NOTIFY_DEVICEID4_CHANGE) { - p = read_buf(xdr, sizeof(uint32_t)); + p = xdr_inline_decode(xdr, sizeof(uint32_t)); if (unlikely(p == NULL)) { status = htonl(NFS4ERR_BADXDR); goto err; @@ -355,7 +346,7 @@ static __be32 decode_sessionid(struct xdr_stream *xdr, { __be32 *p; - p = read_buf(xdr, NFS4_MAX_SESSIONID_LEN); + p = xdr_inline_decode(xdr, NFS4_MAX_SESSIONID_LEN); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); @@ -375,13 +366,15 @@ static __be32 decode_rc_list(struct xdr_stream *xdr, goto out; status = htonl(NFS4ERR_RESOURCE); - p = read_buf(xdr, sizeof(uint32_t)); + p = xdr_inline_decode(xdr, sizeof(uint32_t)); if (unlikely(p == NULL)) goto out; rc_list->rcl_nrefcalls = ntohl(*p++); if (rc_list->rcl_nrefcalls) { - p = read_buf(xdr, + if (unlikely(rc_list->rcl_nrefcalls > xdr->buf->len)) + goto out; + p = xdr_inline_decode(xdr, rc_list->rcl_nrefcalls * 2 * sizeof(uint32_t)); if (unlikely(p == NULL)) goto out; @@ -414,7 +407,7 @@ static __be32 decode_cb_sequence_args(struct svc_rqst *rqstp, if (status) return status; - p = read_buf(xdr, 5 * sizeof(uint32_t)); + p = xdr_inline_decode(xdr, 5 * sizeof(uint32_t)); if (unlikely(p == NULL)) return htonl(NFS4ERR_RESOURCE); @@ -457,7 +450,7 @@ static __be32 decode_recallany_args(struct svc_rqst *rqstp, uint32_t bitmap[2]; __be32 *p, status; - p = read_buf(xdr, 4); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) return htonl(NFS4ERR_BADXDR); args->craa_objs_to_keep = ntohl(*p++); @@ -476,7 +469,7 @@ static __be32 decode_recallslot_args(struct svc_rqst *rqstp, struct cb_recallslotargs *args = argp; __be32 *p; - p = read_buf(xdr, 4); + p = xdr_inline_decode(xdr, 4); if (unlikely(p == NULL)) return htonl(NFS4ERR_BADXDR); args->crsa_target_highest_slotid = ntohl(*p++); @@ -488,14 +481,14 @@ static __be32 decode_lockowner(struct xdr_stream *xdr, struct cb_notify_lock_arg __be32 *p; unsigned int len; - p = read_buf(xdr, 12); + p = xdr_inline_decode(xdr, 12); if (unlikely(p == NULL)) return htonl(NFS4ERR_BADXDR); p = xdr_decode_hyper(p, &args->cbnl_owner.clientid); len = be32_to_cpu(*p); - p = read_buf(xdr, len); + p = xdr_inline_decode(xdr, len); if (unlikely(p == NULL)) return htonl(NFS4ERR_BADXDR); @@ -533,7 +526,7 @@ static __be32 decode_write_response(struct xdr_stream *xdr, __be32 *p; /* skip the always zero field */ - p = read_buf(xdr, 4); + p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) goto out; p++; @@ -573,7 +566,7 @@ static __be32 decode_offload_args(struct svc_rqst *rqstp, return status; /* decode status */ - p = read_buf(xdr, 4); + p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) goto out; args->error = ntohl(*p++); diff --git a/fs/nfs/nfs2xdr.c b/fs/nfs/nfs2xdr.c index 040a05f0e61e..6968d6ffe84f 100644 --- a/fs/nfs/nfs2xdr.c +++ b/fs/nfs/nfs2xdr.c @@ -79,17 +79,6 @@ static void prepare_reply_buffer(struct rpc_rqst *req, struct page **pages, xdr_inline_pages(&req->rq_rcv_buf, replen << 2, pages, base, len); } -/* - * Handle decode buffer overflows out-of-line. - */ -static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) -{ - dprintk("NFS: %s prematurely hit the end of our receive buffer. " - "Remaining buffer length is %tu words.\n", - func, xdr->end - xdr->p); -} - - /* * Encode/decode NFSv2 basic data types * @@ -110,8 +99,8 @@ static int decode_nfsdata(struct xdr_stream *xdr, struct nfs_pgio_res *result) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; count = be32_to_cpup(p); recvd = xdr_read_pages(xdr, count); if (unlikely(count > recvd)) @@ -125,9 +114,6 @@ static int decode_nfsdata(struct xdr_stream *xdr, struct nfs_pgio_res *result) "count %u > recvd %u\n", count, recvd); count = recvd; goto out; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -157,13 +143,10 @@ static int decode_stat(struct xdr_stream *xdr, enum nfs_stat *status) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; *status = be32_to_cpup(p); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -205,14 +188,11 @@ static int decode_fhandle(struct xdr_stream *xdr, struct nfs_fh *fh) __be32 *p; p = xdr_inline_decode(xdr, NFS2_FHSIZE); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; fh->size = NFS2_FHSIZE; memcpy(fh->data, p, NFS2_FHSIZE); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -282,8 +262,8 @@ static int decode_fattr(struct xdr_stream *xdr, struct nfs_fattr *fattr) __be32 *p; p = xdr_inline_decode(xdr, NFS_fattr_sz << 2); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; fattr->valid |= NFS_ATTR_FATTR_V2; @@ -325,9 +305,6 @@ static int decode_fattr(struct xdr_stream *xdr, struct nfs_fattr *fattr) out_gid: dprintk("NFS: returned invalid gid\n"); return -EINVAL; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -416,23 +393,20 @@ static int decode_filename_inline(struct xdr_stream *xdr, u32 count; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; count = be32_to_cpup(p); if (count > NFS3_MAXNAMLEN) goto out_nametoolong; p = xdr_inline_decode(xdr, count); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; *name = (const char *)p; *length = count; return 0; out_nametoolong: dprintk("NFS: returned filename too long: %u\n", count); return -ENAMETOOLONG; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -455,8 +429,8 @@ static int decode_path(struct xdr_stream *xdr) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; length = be32_to_cpup(p); if (unlikely(length >= xdr->buf->page_len || length > NFS_MAXPATHLEN)) goto out_size; @@ -472,9 +446,6 @@ static int decode_path(struct xdr_stream *xdr) dprintk("NFS: server cheating in pathname result: " "length %u > received %u\n", length, recvd); return -EIO; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -951,12 +922,12 @@ int nfs2_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, int error; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EAGAIN; if (*p++ == xdr_zero) { p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EAGAIN; if (*p++ == xdr_zero) return -EAGAIN; entry->eof = 1; @@ -964,8 +935,8 @@ int nfs2_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, } p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EAGAIN; entry->ino = be32_to_cpup(p); error = decode_filename_inline(xdr, &entry->name, &entry->len); @@ -978,17 +949,13 @@ int nfs2_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, */ entry->prev_cookie = entry->cookie; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EAGAIN; entry->cookie = be32_to_cpup(p); entry->d_type = DT_UNKNOWN; return 0; - -out_overflow: - print_overflow_msg(__func__, xdr); - return -EAGAIN; } /* @@ -1052,17 +1019,14 @@ static int decode_info(struct xdr_stream *xdr, struct nfs2_fsstat *result) __be32 *p; p = xdr_inline_decode(xdr, NFS_info_sz << 2); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; result->tsize = be32_to_cpup(p++); result->bsize = be32_to_cpup(p++); result->blocks = be32_to_cpup(p++); result->bfree = be32_to_cpup(p++); result->bavail = be32_to_cpup(p); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int nfs2_xdr_dec_statfsres(struct rpc_rqst *req, struct xdr_stream *xdr, diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c index 0ed419bb02b0..ebe7d1ce00e3 100644 --- a/fs/nfs/nfs3xdr.c +++ b/fs/nfs/nfs3xdr.c @@ -119,17 +119,6 @@ static void prepare_reply_buffer(struct rpc_rqst *req, struct page **pages, xdr_inline_pages(&req->rq_rcv_buf, replen << 2, pages, base, len); } -/* - * Handle decode buffer overflows out-of-line. - */ -static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) -{ - dprintk("NFS: %s prematurely hit the end of our receive buffer. " - "Remaining buffer length is %tu words.\n", - func, xdr->end - xdr->p); -} - - /* * Encode/decode NFSv3 basic data types * @@ -152,13 +141,10 @@ static int decode_uint32(struct xdr_stream *xdr, u32 *value) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; *value = be32_to_cpup(p); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_uint64(struct xdr_stream *xdr, u64 *value) @@ -166,13 +152,10 @@ static int decode_uint64(struct xdr_stream *xdr, u64 *value) __be32 *p; p = xdr_inline_decode(xdr, 8); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; xdr_decode_hyper(p, value); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -212,14 +195,14 @@ static int decode_inline_filename3(struct xdr_stream *xdr, u32 count; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; count = be32_to_cpup(p); if (count > NFS3_MAXNAMLEN) goto out_nametoolong; p = xdr_inline_decode(xdr, count); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; *name = (const char *)p; *length = count; return 0; @@ -227,9 +210,6 @@ static int decode_inline_filename3(struct xdr_stream *xdr, out_nametoolong: dprintk("NFS: returned filename too long: %u\n", count); return -ENAMETOOLONG; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -250,8 +230,8 @@ static int decode_nfspath3(struct xdr_stream *xdr) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; count = be32_to_cpup(p); if (unlikely(count >= xdr->buf->page_len || count > NFS3_MAXPATHLEN)) goto out_nametoolong; @@ -268,9 +248,6 @@ static int decode_nfspath3(struct xdr_stream *xdr) dprintk("NFS: server cheating in pathname result: " "count %u > recvd %u\n", count, recvd); return -EIO; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -304,13 +281,10 @@ static int decode_cookieverf3(struct xdr_stream *xdr, __be32 *verifier) __be32 *p; p = xdr_inline_decode(xdr, NFS3_COOKIEVERFSIZE); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; memcpy(verifier, p, NFS3_COOKIEVERFSIZE); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -331,13 +305,10 @@ static int decode_writeverf3(struct xdr_stream *xdr, struct nfs_write_verifier * __be32 *p; p = xdr_inline_decode(xdr, NFS3_WRITEVERFSIZE); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; memcpy(verifier->data, p, NFS3_WRITEVERFSIZE); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -365,13 +336,10 @@ static int decode_nfsstat3(struct xdr_stream *xdr, enum nfs_stat *status) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; *status = be32_to_cpup(p); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -454,23 +422,20 @@ static int decode_nfs_fh3(struct xdr_stream *xdr, struct nfs_fh *fh) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; length = be32_to_cpup(p++); if (unlikely(length > NFS3_FHSIZE)) goto out_toobig; p = xdr_inline_decode(xdr, length); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; fh->size = length; memcpy(fh->data, p, length); return 0; out_toobig: dprintk("NFS: file handle size (%u) too big\n", length); return -E2BIG; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static void zero_nfs_fh3(struct nfs_fh *fh) @@ -656,8 +621,8 @@ static int decode_fattr3(struct xdr_stream *xdr, struct nfs_fattr *fattr) __be32 *p; p = xdr_inline_decode(xdr, NFS3_fattr_sz << 2); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; p = xdr_decode_ftype3(p, &fmode); @@ -691,9 +656,6 @@ static int decode_fattr3(struct xdr_stream *xdr, struct nfs_fattr *fattr) out_gid: dprintk("NFS: returned invalid gid\n"); return -EINVAL; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -711,14 +673,11 @@ static int decode_post_op_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; if (*p != xdr_zero) return decode_fattr3(xdr, fattr); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -734,8 +693,8 @@ static int decode_wcc_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr) __be32 *p; p = xdr_inline_decode(xdr, NFS3_wcc_attr_sz << 2); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; fattr->valid |= NFS_ATTR_FATTR_PRESIZE | NFS_ATTR_FATTR_PRECHANGE @@ -748,9 +707,6 @@ static int decode_wcc_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr) fattr->pre_change_attr = nfs_timespec_to_change_attr(&fattr->pre_ctime); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -774,14 +730,11 @@ static int decode_pre_op_attr(struct xdr_stream *xdr, struct nfs_fattr *fattr) __be32 *p; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; if (*p != xdr_zero) return decode_wcc_attr(xdr, fattr); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_wcc_data(struct xdr_stream *xdr, struct nfs_fattr *fattr) @@ -809,15 +762,12 @@ static int decode_wcc_data(struct xdr_stream *xdr, struct nfs_fattr *fattr) static int decode_post_op_fh3(struct xdr_stream *xdr, struct nfs_fh *fh) { __be32 *p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; if (*p != xdr_zero) return decode_nfs_fh3(xdr, fh); zero_nfs_fh3(fh); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -1641,8 +1591,8 @@ static int decode_read3resok(struct xdr_stream *xdr, __be32 *p; p = xdr_inline_decode(xdr, 4 + 4 + 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; count = be32_to_cpup(p++); eof = be32_to_cpup(p++); ocount = be32_to_cpup(p++); @@ -1665,9 +1615,6 @@ static int decode_read3resok(struct xdr_stream *xdr, count = recvd; eof = 0; goto out; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int nfs3_xdr_dec_read3res(struct rpc_rqst *req, struct xdr_stream *xdr, @@ -1726,22 +1673,18 @@ static int decode_write3resok(struct xdr_stream *xdr, __be32 *p; p = xdr_inline_decode(xdr, 4 + 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; result->count = be32_to_cpup(p++); result->verf->committed = be32_to_cpup(p++); if (unlikely(result->verf->committed > NFS_FILE_SYNC)) goto out_badvalue; if (decode_writeverf3(xdr, &result->verf->verifier)) - goto out_eio; + return -EIO; return result->count; out_badvalue: dprintk("NFS: bad stable_how value: %u\n", result->verf->committed); return -EIO; -out_overflow: - print_overflow_msg(__func__, xdr); -out_eio: - return -EIO; } static int nfs3_xdr_dec_write3res(struct rpc_rqst *req, struct xdr_stream *xdr, @@ -2005,12 +1948,12 @@ int nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, u64 new_cookie; p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EAGAIN; if (*p == xdr_zero) { p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EAGAIN; if (*p == xdr_zero) return -EAGAIN; entry->eof = 1; @@ -2046,8 +1989,8 @@ int nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, /* In fact, a post_op_fh3: */ p = xdr_inline_decode(xdr, 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EAGAIN; if (*p != xdr_zero) { error = decode_nfs_fh3(xdr, entry->fh); if (unlikely(error)) { @@ -2064,9 +2007,6 @@ int nfs3_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EAGAIN; out_truncated: dprintk("NFS: directory entry contains invalid file handle\n"); *entry = old; @@ -2178,8 +2118,8 @@ static int decode_fsstat3resok(struct xdr_stream *xdr, __be32 *p; p = xdr_inline_decode(xdr, 8 * 6 + 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; p = xdr_decode_size3(p, &result->tbytes); p = xdr_decode_size3(p, &result->fbytes); p = xdr_decode_size3(p, &result->abytes); @@ -2188,9 +2128,6 @@ static int decode_fsstat3resok(struct xdr_stream *xdr, xdr_decode_size3(p, &result->afiles); /* ignore invarsec */ return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int nfs3_xdr_dec_fsstat3res(struct rpc_rqst *req, @@ -2250,8 +2187,8 @@ static int decode_fsinfo3resok(struct xdr_stream *xdr, __be32 *p; p = xdr_inline_decode(xdr, 4 * 7 + 8 + 8 + 4); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; result->rtmax = be32_to_cpup(p++); result->rtpref = be32_to_cpup(p++); result->rtmult = be32_to_cpup(p++); @@ -2265,9 +2202,6 @@ static int decode_fsinfo3resok(struct xdr_stream *xdr, /* ignore properties */ result->lease_time = 0; return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int nfs3_xdr_dec_fsinfo3res(struct rpc_rqst *req, @@ -2323,15 +2257,12 @@ static int decode_pathconf3resok(struct xdr_stream *xdr, __be32 *p; p = xdr_inline_decode(xdr, 4 * 6); - if (unlikely(p == NULL)) - goto out_overflow; + if (unlikely(!p)) + return -EIO; result->max_link = be32_to_cpup(p++); result->max_namelen = be32_to_cpup(p); /* ignore remaining fields */ return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int nfs3_xdr_dec_pathconf3res(struct rpc_rqst *req, diff --git a/fs/nfs/nfs42xdr.c b/fs/nfs/nfs42xdr.c index eee011de3f58..d66e1025b4a4 100644 --- a/fs/nfs/nfs42xdr.c +++ b/fs/nfs/nfs42xdr.c @@ -404,7 +404,7 @@ static int decode_write_response(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; count = be32_to_cpup(p); if (count > 1) return -EREMOTEIO; @@ -412,18 +412,14 @@ static int decode_write_response(struct xdr_stream *xdr, status = decode_opaque_fixed(xdr, &res->stateid, NFS4_STATEID_SIZE); if (unlikely(status)) - goto out_overflow; + return -EIO; } p = xdr_inline_decode(xdr, 8 + 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; p = xdr_decode_hyper(p, &res->count); res->verifier.committed = be32_to_cpup(p); return decode_verifier(xdr, &res->verifier.verifier); - -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_copy_requirements(struct xdr_stream *xdr, @@ -432,14 +428,11 @@ static int decode_copy_requirements(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 4 + 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->consecutive = be32_to_cpup(p++); res->synchronous = be32_to_cpup(p++); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_copy(struct xdr_stream *xdr, struct nfs42_copy_res *res) @@ -484,15 +477,11 @@ static int decode_seek(struct xdr_stream *xdr, struct nfs42_seek_res *res) p = xdr_inline_decode(xdr, 4 + 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->sr_eof = be32_to_cpup(p++); p = xdr_decode_hyper(p, &res->sr_offset); return 0; - -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_layoutstats(struct xdr_stream *xdr) diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index f0f0fb7499e3..e337494a6da7 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1892,6 +1892,7 @@ static int nfs4_do_reclaim(struct nfs_client *clp, const struct nfs4_state_recov set_bit(ops->owner_flag_bit, &sp->so_flags); nfs4_put_state_owner(sp); status = nfs4_recovery_handle_error(clp, status); + nfs4_free_state_owners(&freeme); return (status != 0) ? status : -EAGAIN; } diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index f0021e3b8efd..767448b015cf 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3144,22 +3144,12 @@ static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, } #endif /* CONFIG_NFS_V4_1 */ -static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) -{ - dprintk("nfs: %s: prematurely hit end of receive buffer. " - "Remaining buffer length is %tu words.\n", - func, xdr->end - xdr->p); -} - static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) { ssize_t ret = xdr_stream_decode_opaque_inline(xdr, (void **)string, NFS4_OPAQUE_LIMIT); - if (unlikely(ret < 0)) { - if (ret == -EBADMSG) - print_overflow_msg(__func__, xdr); + if (unlikely(ret < 0)) return -EIO; - } *len = ret; return 0; } @@ -3170,22 +3160,19 @@ static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; hdr->status = be32_to_cpup(p++); hdr->taglen = be32_to_cpup(p); p = xdr_inline_decode(xdr, hdr->taglen + 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; hdr->tag = (char *)p; p += XDR_QUADLEN(hdr->taglen); hdr->nops = be32_to_cpup(p); if (unlikely(hdr->nops < 1)) return nfs4_stat_to_errno(hdr->status); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, @@ -3214,7 +3201,6 @@ static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, *nfs_retval = -EREMOTEIO; return false; out_overflow: - print_overflow_msg(__func__, xdr); *nfs_retval = -EIO; return false; } @@ -3235,10 +3221,9 @@ static int decode_ace(struct xdr_stream *xdr, void *ace) char *str; p = xdr_inline_decode(xdr, 12); - if (likely(p)) - return decode_opaque_inline(xdr, &strlen, &str); - print_overflow_msg(__func__, xdr); - return -EIO; + if (unlikely(!p)) + return -EIO; + return decode_opaque_inline(xdr, &strlen, &str); } static ssize_t @@ -3249,10 +3234,9 @@ decode_bitmap4(struct xdr_stream *xdr, uint32_t *bitmap, size_t sz) ret = xdr_stream_decode_uint32_array(xdr, bitmap, sz); if (likely(ret >= 0)) return ret; - if (ret == -EMSGSIZE) - return sz; - print_overflow_msg(__func__, xdr); - return -EIO; + if (ret != -EMSGSIZE) + return -EIO; + return sz; } static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) @@ -3268,13 +3252,10 @@ static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigne p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *attrlen = be32_to_cpup(p); *savep = xdr_stream_pos(xdr); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) @@ -3303,7 +3284,7 @@ static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t * if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *type = be32_to_cpup(p); if (*type < NF4REG || *type > NF4NAMEDATTR) { dprintk("%s: bad type %d\n", __func__, *type); @@ -3314,9 +3295,6 @@ static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t * } dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_fh_expire_type(struct xdr_stream *xdr, @@ -3330,15 +3308,12 @@ static int decode_attr_fh_expire_type(struct xdr_stream *xdr, if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *type = be32_to_cpup(p); bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; } dprintk("%s: expire type=0x%x\n", __func__, *type); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) @@ -3352,7 +3327,7 @@ static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, change); bitmap[0] &= ~FATTR4_WORD0_CHANGE; ret = NFS_ATTR_FATTR_CHANGE; @@ -3360,9 +3335,6 @@ static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t dprintk("%s: change attribute=%Lu\n", __func__, (unsigned long long)*change); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) @@ -3376,16 +3348,13 @@ static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t * if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, size); bitmap[0] &= ~FATTR4_WORD0_SIZE; ret = NFS_ATTR_FATTR_SIZE; } dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) @@ -3398,15 +3367,12 @@ static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, ui if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *res = be32_to_cpup(p); bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; } dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) @@ -3419,15 +3385,12 @@ static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *res = be32_to_cpup(p); bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; } dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) @@ -3442,7 +3405,7 @@ static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { p = xdr_inline_decode(xdr, 16); if (unlikely(!p)) - goto out_overflow; + return -EIO; p = xdr_decode_hyper(p, &fsid->major); xdr_decode_hyper(p, &fsid->minor); bitmap[0] &= ~FATTR4_WORD0_FSID; @@ -3452,9 +3415,6 @@ static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs (unsigned long long)fsid->major, (unsigned long long)fsid->minor); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) @@ -3467,15 +3427,12 @@ static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *res = be32_to_cpup(p); bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; } dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) @@ -3487,14 +3444,11 @@ static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t * if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; *res = -be32_to_cpup(p); } return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_exclcreat_supported(struct xdr_stream *xdr, @@ -3526,13 +3480,13 @@ static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, stru if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; len = be32_to_cpup(p); if (len > NFS4_FHSIZE) return -EIO; p = xdr_inline_decode(xdr, len); if (unlikely(!p)) - goto out_overflow; + return -EIO; if (fh != NULL) { memcpy(fh->data, p, len); fh->size = len; @@ -3540,9 +3494,6 @@ static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, stru bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; } return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) @@ -3555,15 +3506,12 @@ static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *res = be32_to_cpup(p); bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; } dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) @@ -3577,16 +3525,13 @@ static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, fileid); bitmap[0] &= ~FATTR4_WORD0_FILEID; ret = NFS_ATTR_FATTR_FILEID; } dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) @@ -3600,16 +3545,13 @@ static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitma if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, fileid); bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; } dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) @@ -3623,15 +3565,12 @@ static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uin if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, res); bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; } dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) @@ -3645,15 +3584,12 @@ static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, res); bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; } dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) @@ -3667,15 +3603,12 @@ static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uin if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, res); bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; } dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) @@ -3686,7 +3619,7 @@ static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; n = be32_to_cpup(p); if (n == 0) goto root_path; @@ -3718,9 +3651,6 @@ static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) dprintk(" status %d", status); status = -EIO; goto out; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) @@ -3745,7 +3675,7 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st goto out; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + goto out_eio; n = be32_to_cpup(p); for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { u32 m; @@ -3756,7 +3686,7 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st loc = &res->locations[res->nlocations]; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + goto out_eio; m = be32_to_cpup(p); dprintk("%s: servers:\n", __func__); @@ -3794,8 +3724,6 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st out: dprintk("%s: fs_locations done, error = %d\n", __func__, status); return status; -out_overflow: - print_overflow_msg(__func__, xdr); out_eio: status = -EIO; goto out; @@ -3812,15 +3740,12 @@ static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uin if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, res); bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; } dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) @@ -3834,15 +3759,12 @@ static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_ if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *maxlink = be32_to_cpup(p); bitmap[0] &= ~FATTR4_WORD0_MAXLINK; } dprintk("%s: maxlink=%u\n", __func__, *maxlink); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) @@ -3856,15 +3778,12 @@ static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_ if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *maxname = be32_to_cpup(p); bitmap[0] &= ~FATTR4_WORD0_MAXNAME; } dprintk("%s: maxname=%u\n", __func__, *maxname); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) @@ -3879,7 +3798,7 @@ static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_ uint64_t maxread; p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, &maxread); if (maxread > 0x7FFFFFFF) maxread = 0x7FFFFFFF; @@ -3888,9 +3807,6 @@ static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_ } dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) @@ -3905,7 +3821,7 @@ static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32 uint64_t maxwrite; p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, &maxwrite); if (maxwrite > 0x7FFFFFFF) maxwrite = 0x7FFFFFFF; @@ -3914,9 +3830,6 @@ static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32 } dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) @@ -3931,7 +3844,7 @@ static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *m if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; tmp = be32_to_cpup(p); *mode = tmp & ~S_IFMT; bitmap[1] &= ~FATTR4_WORD1_MODE; @@ -3939,9 +3852,6 @@ static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *m } dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) @@ -3955,16 +3865,13 @@ static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; *nlink = be32_to_cpup(p); bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; ret = NFS_ATTR_FATTR_NLINK; } dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static ssize_t decode_nfs4_string(struct xdr_stream *xdr, @@ -4009,10 +3916,9 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, return NFS_ATTR_FATTR_OWNER; } out: - if (len != -EBADMSG) - return 0; - print_overflow_msg(__func__, xdr); - return -EIO; + if (len == -EBADMSG) + return -EIO; + return 0; } static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, @@ -4044,10 +3950,9 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, return NFS_ATTR_FATTR_GROUP; } out: - if (len != -EBADMSG) - return 0; - print_overflow_msg(__func__, xdr); - return -EIO; + if (len == -EBADMSG) + return -EIO; + return 0; } static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) @@ -4064,7 +3969,7 @@ static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rde p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; major = be32_to_cpup(p++); minor = be32_to_cpup(p); tmp = MKDEV(major, minor); @@ -4075,9 +3980,6 @@ static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rde } dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) @@ -4091,15 +3993,12 @@ static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uin if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, res); bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; } dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) @@ -4113,15 +4012,12 @@ static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, res); bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; } dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) @@ -4135,15 +4031,12 @@ static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uin if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, res); bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; } dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) @@ -4157,7 +4050,7 @@ static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, used); bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; ret = NFS_ATTR_FATTR_SPACE_USED; @@ -4165,9 +4058,6 @@ static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint dprintk("%s: space used=%Lu\n", __func__, (unsigned long long)*used); return ret; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static __be32 * @@ -4187,12 +4077,9 @@ static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) p = xdr_inline_decode(xdr, nfstime4_maxsz << 2); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_nfstime4(p, time); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) @@ -4263,19 +4150,19 @@ static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; lfs = be32_to_cpup(p++); p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; pi = be32_to_cpup(p++); p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; len = be32_to_cpup(p++); p = xdr_inline_decode(xdr, len); if (unlikely(!p)) - goto out_overflow; + return -EIO; if (len < NFS4_MAXLABELLEN) { if (label && label->len) { if (label->len < len) @@ -4296,10 +4183,6 @@ static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, label->len, label->pi, label->lfs); } return status; - -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) @@ -4343,14 +4226,11 @@ static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *c p = xdr_inline_decode(xdr, 20); if (unlikely(!p)) - goto out_overflow; + return -EIO; cinfo->atomic = be32_to_cpup(p++); p = xdr_decode_hyper(p, &cinfo->before); xdr_decode_hyper(p, &cinfo->after); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) @@ -4364,24 +4244,19 @@ static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) return status; p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; supp = be32_to_cpup(p++); acc = be32_to_cpup(p); *supported = supp; *access = acc; return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) { ssize_t ret = xdr_stream_decode_opaque_fixed(xdr, buf, len); - if (unlikely(ret < 0)) { - print_overflow_msg(__func__, xdr); + if (unlikely(ret < 0)) return -EIO; - } return 0; } @@ -4464,13 +4339,11 @@ static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) return status; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; bmlen = be32_to_cpup(p); p = xdr_inline_decode(xdr, bmlen << 2); if (likely(p)) return 0; -out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; } @@ -4578,13 +4451,10 @@ static int decode_threshold_hint(struct xdr_stream *xdr, if (likely(bitmap[0] & hint_bit)) { p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, res); } return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_first_threshold_item4(struct xdr_stream *xdr, @@ -4597,10 +4467,8 @@ static int decode_first_threshold_item4(struct xdr_stream *xdr, /* layout type */ p = xdr_inline_decode(xdr, 4); - if (unlikely(!p)) { - print_overflow_msg(__func__, xdr); + if (unlikely(!p)) return -EIO; - } res->l_type = be32_to_cpup(p); /* thi_hintset bitmap */ @@ -4658,7 +4526,7 @@ static int decode_attr_mdsthreshold(struct xdr_stream *xdr, return -EREMOTEIO; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; num = be32_to_cpup(p); if (num == 0) return 0; @@ -4671,9 +4539,6 @@ static int decode_attr_mdsthreshold(struct xdr_stream *xdr, bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; } return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, @@ -4861,7 +4726,7 @@ static int decode_pnfs_layout_types(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; fsinfo->nlayouttypes = be32_to_cpup(p); /* pNFS is not supported by the underlying file system */ @@ -4871,7 +4736,7 @@ static int decode_pnfs_layout_types(struct xdr_stream *xdr, /* Decode and set first layout type, move xdr->p past unused types */ p = xdr_inline_decode(xdr, fsinfo->nlayouttypes * 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; /* If we get too many, then just cap it at the max */ if (fsinfo->nlayouttypes > NFS_MAX_LAYOUT_TYPES) { @@ -4883,9 +4748,6 @@ static int decode_pnfs_layout_types(struct xdr_stream *xdr, for(i = 0; i < fsinfo->nlayouttypes; ++i) fsinfo->layouttype[i] = be32_to_cpup(p++); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } /* @@ -4919,10 +4781,8 @@ static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, *res = 0; if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { p = xdr_inline_decode(xdr, 4); - if (unlikely(!p)) { - print_overflow_msg(__func__, xdr); + if (unlikely(!p)) return -EIO; - } *res = be32_to_cpup(p); bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; } @@ -4941,10 +4801,8 @@ static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, *res = 0; if (bitmap[2] & FATTR4_WORD2_CLONE_BLKSIZE) { p = xdr_inline_decode(xdr, 4); - if (unlikely(!p)) { - print_overflow_msg(__func__, xdr); + if (unlikely(!p)) return -EIO; - } *res = be32_to_cpup(p); bitmap[2] &= ~FATTR4_WORD2_CLONE_BLKSIZE; } @@ -5020,19 +4878,16 @@ static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; len = be32_to_cpup(p); if (len > NFS4_FHSIZE) return -EIO; fh->size = len; p = xdr_inline_decode(xdr, len); if (unlikely(!p)) - goto out_overflow; + return -EIO; memcpy(fh->data, p, len); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) @@ -5056,7 +4911,7 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ if (unlikely(!p)) - goto out_overflow; + return -EIO; p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ p = xdr_decode_hyper(p, &length); type = be32_to_cpup(p++); /* 4 byte read */ @@ -5073,11 +4928,9 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ p = xdr_inline_decode(xdr, namelen); /* variable size field */ - if (likely(p)) - return -NFS4ERR_DENIED; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; + if (likely(!p)) + return -EIO; + return -NFS4ERR_DENIED; } static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) @@ -5146,7 +4999,7 @@ static int decode_space_limit(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 12); if (unlikely(!p)) - goto out_overflow; + return -EIO; limit_type = be32_to_cpup(p++); switch (limit_type) { case NFS4_LIMIT_SIZE: @@ -5160,9 +5013,6 @@ static int decode_space_limit(struct xdr_stream *xdr, maxsize >>= PAGE_SHIFT; *pagemod_limit = min_t(u64, maxsize, ULONG_MAX); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_rw_delegation(struct xdr_stream *xdr, @@ -5177,7 +5027,7 @@ static int decode_rw_delegation(struct xdr_stream *xdr, return status; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->do_recall = be32_to_cpup(p); switch (delegation_type) { @@ -5190,9 +5040,6 @@ static int decode_rw_delegation(struct xdr_stream *xdr, return -EIO; } return decode_ace(xdr, NULL); -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) @@ -5202,7 +5049,7 @@ static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; why_no_delegation = be32_to_cpup(p); switch (why_no_delegation) { case WND4_CONTENTION: @@ -5211,9 +5058,6 @@ static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) /* Ignore for now */ } return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) @@ -5223,7 +5067,7 @@ static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; delegation_type = be32_to_cpup(p); res->delegation_type = 0; switch (delegation_type) { @@ -5236,9 +5080,6 @@ static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) return decode_no_delegation(xdr, res); } return -EIO; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) @@ -5260,7 +5101,7 @@ static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->rflags = be32_to_cpup(p++); bmlen = be32_to_cpup(p); if (bmlen > 10) @@ -5268,7 +5109,7 @@ static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) p = xdr_inline_decode(xdr, bmlen << 2); if (unlikely(!p)) - goto out_overflow; + return -EIO; savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); for (i = 0; i < savewords; ++i) res->attrset[i] = be32_to_cpup(p++); @@ -5279,9 +5120,6 @@ static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) xdr_error: dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); return -EIO; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) @@ -5330,7 +5168,7 @@ static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, return status; p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; eof = be32_to_cpup(p++); count = be32_to_cpup(p); recvd = xdr_read_pages(xdr, count); @@ -5343,9 +5181,6 @@ static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, res->eof = eof; res->count = count; return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) @@ -5378,7 +5213,7 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) /* Convert length of symlink */ p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; len = be32_to_cpup(p); if (len >= rcvbuf->page_len || len <= 0) { dprintk("nfs: server returned giant symlink!\n"); @@ -5399,9 +5234,6 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) */ xdr_terminate_string(rcvbuf, len); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) @@ -5504,7 +5336,6 @@ static int decode_setattr(struct xdr_stream *xdr) return status; if (decode_bitmap4(xdr, NULL, 0) >= 0) return 0; - print_overflow_msg(__func__, xdr); return -EIO; } @@ -5516,7 +5347,7 @@ static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_re p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; opnum = be32_to_cpup(p++); if (opnum != OP_SETCLIENTID) { dprintk("nfs: decode_setclientid: Server returned operation" @@ -5527,7 +5358,7 @@ static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_re if (nfserr == NFS_OK) { p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); if (unlikely(!p)) - goto out_overflow; + return -EIO; p = xdr_decode_hyper(p, &res->clientid); memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); } else if (nfserr == NFSERR_CLID_INUSE) { @@ -5536,28 +5367,25 @@ static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_re /* skip netid string */ p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; len = be32_to_cpup(p); p = xdr_inline_decode(xdr, len); if (unlikely(!p)) - goto out_overflow; + return -EIO; /* skip uaddr string */ p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; len = be32_to_cpup(p); p = xdr_inline_decode(xdr, len); if (unlikely(!p)) - goto out_overflow; + return -EIO; return -NFSERR_CLID_INUSE; } else return nfs4_stat_to_errno(nfserr); return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_setclientid_confirm(struct xdr_stream *xdr) @@ -5576,13 +5404,10 @@ static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->count = be32_to_cpup(p++); res->verf->committed = be32_to_cpup(p++); return decode_write_verifier(xdr, &res->verf->verifier); -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_delegreturn(struct xdr_stream *xdr) @@ -5598,30 +5423,24 @@ static int decode_secinfo_gss(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; oid_len = be32_to_cpup(p); if (oid_len > GSS_OID_MAX_LEN) - goto out_err; + return -EINVAL; p = xdr_inline_decode(xdr, oid_len); if (unlikely(!p)) - goto out_overflow; + return -EIO; memcpy(flavor->flavor_info.oid.data, p, oid_len); flavor->flavor_info.oid.len = oid_len; p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; flavor->flavor_info.qop = be32_to_cpup(p++); flavor->flavor_info.service = be32_to_cpup(p); return 0; - -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; -out_err: - return -EINVAL; } static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) @@ -5633,7 +5452,7 @@ static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->flavors->num_flavors = 0; num_flavors = be32_to_cpup(p); @@ -5645,7 +5464,7 @@ static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; sec_flavor->flavor = be32_to_cpup(p); if (sec_flavor->flavor == RPC_AUTH_GSS) { @@ -5659,9 +5478,6 @@ static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res status = 0; out: return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) @@ -5715,11 +5531,11 @@ static int decode_exchange_id(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; xdr_decode_hyper(p, &res->clientid); p = xdr_inline_decode(xdr, 12); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->seqid = be32_to_cpup(p++); res->flags = be32_to_cpup(p++); @@ -5743,7 +5559,7 @@ static int decode_exchange_id(struct xdr_stream *xdr, /* server_owner4.so_minor_id */ p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; p = xdr_decode_hyper(p, &res->server_owner->minor_id); /* server_owner4.so_major_id */ @@ -5763,7 +5579,7 @@ static int decode_exchange_id(struct xdr_stream *xdr, /* Implementation Id */ p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; impl_id_count = be32_to_cpup(p++); if (impl_id_count) { @@ -5782,16 +5598,13 @@ static int decode_exchange_id(struct xdr_stream *xdr, /* nii_date */ p = xdr_inline_decode(xdr, 12); if (unlikely(!p)) - goto out_overflow; + return -EIO; p = xdr_decode_hyper(p, &res->impl_id->date.seconds); res->impl_id->date.nseconds = be32_to_cpup(p); /* if there's more than one entry, ignore the rest */ } return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_chan_attrs(struct xdr_stream *xdr, @@ -5802,7 +5615,7 @@ static int decode_chan_attrs(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 28); if (unlikely(!p)) - goto out_overflow; + return -EIO; val = be32_to_cpup(p++); /* headerpadsz */ if (val) return -EINVAL; /* no support for header padding yet */ @@ -5820,12 +5633,9 @@ static int decode_chan_attrs(struct xdr_stream *xdr, if (nr_attrs == 1) { p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ if (unlikely(!p)) - goto out_overflow; + return -EIO; } return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) @@ -5848,7 +5658,7 @@ static int decode_bind_conn_to_session(struct xdr_stream *xdr, /* dir flags, rdma mode bool */ p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->dir = be32_to_cpup(p++); if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) @@ -5859,9 +5669,6 @@ static int decode_bind_conn_to_session(struct xdr_stream *xdr, res->use_conn_in_rdma_mode = true; return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_create_session(struct xdr_stream *xdr, @@ -5879,7 +5686,7 @@ static int decode_create_session(struct xdr_stream *xdr, /* seqid, flags */ p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->seqid = be32_to_cpup(p++); res->flags = be32_to_cpup(p); @@ -5888,9 +5695,6 @@ static int decode_create_session(struct xdr_stream *xdr, if (!status) status = decode_chan_attrs(xdr, &res->bc_attrs); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) @@ -5971,7 +5775,6 @@ static int decode_sequence(struct xdr_stream *xdr, res->sr_status = status; return status; out_overflow: - print_overflow_msg(__func__, xdr); status = -EIO; goto out_err; #else /* CONFIG_NFS_V4_1 */ @@ -5999,7 +5802,7 @@ static int decode_getdeviceinfo(struct xdr_stream *xdr, if (status == -ETOOSMALL) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; pdev->mincount = be32_to_cpup(p); dprintk("%s: Min count too small. mincnt = %u\n", __func__, pdev->mincount); @@ -6009,7 +5812,7 @@ static int decode_getdeviceinfo(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; type = be32_to_cpup(p++); if (type != pdev->layout_type) { dprintk("%s: layout mismatch req: %u pdev: %u\n", @@ -6023,19 +5826,19 @@ static int decode_getdeviceinfo(struct xdr_stream *xdr, */ pdev->mincount = be32_to_cpup(p); if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) - goto out_overflow; + return -EIO; /* Parse notification bitmap, verifying that it is zero. */ p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; len = be32_to_cpup(p); if (len) { uint32_t i; p = xdr_inline_decode(xdr, 4 * len); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->notification = be32_to_cpup(p++); for (i = 1; i < len; i++) { @@ -6047,9 +5850,6 @@ static int decode_getdeviceinfo(struct xdr_stream *xdr, } } return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, @@ -6119,7 +5919,6 @@ static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, res->status = status; return status; out_overflow: - print_overflow_msg(__func__, xdr); status = -EIO; goto out; } @@ -6135,16 +5934,13 @@ static int decode_layoutreturn(struct xdr_stream *xdr, return status; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->lrs_present = be32_to_cpup(p); if (res->lrs_present) status = decode_layout_stateid(xdr, &res->stateid); else nfs4_stateid_copy(&res->stateid, &invalid_stateid); return status; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_layoutcommit(struct xdr_stream *xdr, @@ -6162,19 +5958,16 @@ static int decode_layoutcommit(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; sizechanged = be32_to_cpup(p); if (sizechanged) { /* throw away new size */ p = xdr_inline_decode(xdr, 8); if (unlikely(!p)) - goto out_overflow; + return -EIO; } return 0; -out_overflow: - print_overflow_msg(__func__, xdr); - return -EIO; } static int decode_test_stateid(struct xdr_stream *xdr, @@ -6190,21 +5983,17 @@ static int decode_test_stateid(struct xdr_stream *xdr, p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; num_res = be32_to_cpup(p++); if (num_res != 1) - goto out; + return -EIO; p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EIO; res->status = be32_to_cpup(p++); return status; -out_overflow: - print_overflow_msg(__func__, xdr); -out: - return -EIO; } static int decode_free_stateid(struct xdr_stream *xdr, @@ -7574,11 +7363,11 @@ int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, uint64_t new_cookie; __be32 *p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EAGAIN; if (*p == xdr_zero) { p = xdr_inline_decode(xdr, 4); if (unlikely(!p)) - goto out_overflow; + return -EAGAIN; if (*p == xdr_zero) return -EAGAIN; entry->eof = 1; @@ -7587,13 +7376,13 @@ int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, p = xdr_inline_decode(xdr, 12); if (unlikely(!p)) - goto out_overflow; + return -EAGAIN; p = xdr_decode_hyper(p, &new_cookie); entry->len = be32_to_cpup(p); p = xdr_inline_decode(xdr, entry->len); if (unlikely(!p)) - goto out_overflow; + return -EAGAIN; entry->name = (const char *) p; /* @@ -7605,14 +7394,14 @@ int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, entry->fattr->valid = 0; if (decode_attr_bitmap(xdr, bitmap) < 0) - goto out_overflow; + return -EAGAIN; if (decode_attr_length(xdr, &len, &savep) < 0) - goto out_overflow; + return -EAGAIN; if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, NULL, entry->label, entry->server) < 0) - goto out_overflow; + return -EAGAIN; if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) entry->ino = entry->fattr->mounted_on_fileid; else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) @@ -7626,10 +7415,6 @@ int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, entry->cookie = new_cookie; return 0; - -out_overflow: - print_overflow_msg(__func__, xdr); - return -EAGAIN; } /* diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c index 519d994c0c4c..e6c7448d3d89 100644 --- a/fs/nfsd/nfs4callback.c +++ b/fs/nfsd/nfs4callback.c @@ -59,16 +59,6 @@ struct nfs4_cb_compound_hdr { int status; }; -/* - * Handle decode buffer overflows out-of-line. - */ -static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) -{ - dprintk("NFS: %s prematurely hit the end of our receive buffer. " - "Remaining buffer length is %tu words.\n", - func, xdr->end - xdr->p); -} - static __be32 *xdr_encode_empty_array(__be32 *p) { *p++ = xdr_zero; @@ -238,7 +228,6 @@ static int decode_cb_op_status(struct xdr_stream *xdr, *status = nfs_cb_stat_to_errno(be32_to_cpup(p)); return 0; out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; out_unexpected: dprintk("NFSD: Callback server returned operation %d but " @@ -307,7 +296,6 @@ static int decode_cb_compound4res(struct xdr_stream *xdr, hdr->nops = be32_to_cpup(p); return 0; out_overflow: - print_overflow_msg(__func__, xdr); return -EIO; } @@ -435,7 +423,6 @@ static int decode_cb_sequence4resok(struct xdr_stream *xdr, cb->cb_seq_status = status; return status; out_overflow: - print_overflow_msg(__func__, xdr); status = -EIO; goto out; } diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index a5bb76593ce7..de6bab641b20 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -565,6 +565,7 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, .id = id, .type = type, }; + __be32 status = nfs_ok; __be32 *p; int ret; struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id); @@ -577,12 +578,16 @@ static __be32 idmap_id_to_name(struct xdr_stream *xdr, return nfserrno(ret); ret = strlen(item->name); WARN_ON_ONCE(ret > IDMAP_NAMESZ); + p = xdr_reserve_space(xdr, ret + 4); - if (!p) - return nfserr_resource; - p = xdr_encode_opaque(p, item->name, ret); + if (unlikely(!p)) { + status = nfserr_resource; + goto out_put; + } + xdr_encode_opaque(p, item->name, ret); +out_put: cache_put(&item->h, nn->idtoname_cache); - return 0; + return status; } static bool diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index 7ac644d64ab1..061694c405ac 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -743,7 +743,8 @@ static void nfs4_free_deleg(struct nfs4_stid *stid) * When a delegation is recalled, the filehandle is stored in the "new" * filter. * Every 30 seconds we swap the filters and clear the "new" one, - * unless both are empty of course. + * unless both are empty of course. This results in delegations for a + * given filehandle being blocked for between 30 and 60 seconds. * * Each filter is 256 bits. We hash the filehandle to 32bit and use the * low 3 bytes as hash-table indices. @@ -755,7 +756,7 @@ static void nfs4_free_deleg(struct nfs4_stid *stid) static DEFINE_SPINLOCK(blocked_delegations_lock); static struct bloom_pair { int entries, old_entries; - time_t swap_time; + time64_t swap_time; int new; /* index into 'set' */ DECLARE_BITMAP(set[2], 256); } blocked_delegations; @@ -767,15 +768,15 @@ static int delegation_blocked(struct knfsd_fh *fh) if (bd->entries == 0) return 0; - if (seconds_since_boot() - bd->swap_time > 30) { + if (ktime_get_seconds() - bd->swap_time > 30) { spin_lock(&blocked_delegations_lock); - if (seconds_since_boot() - bd->swap_time > 30) { + if (ktime_get_seconds() - bd->swap_time > 30) { bd->entries -= bd->old_entries; bd->old_entries = bd->entries; + bd->new = 1-bd->new; memset(bd->set[bd->new], 0, sizeof(bd->set[0])); - bd->new = 1-bd->new; - bd->swap_time = seconds_since_boot(); + bd->swap_time = ktime_get_seconds(); } spin_unlock(&blocked_delegations_lock); } @@ -805,7 +806,7 @@ static void block_delegations(struct knfsd_fh *fh) __set_bit((hash>>8)&255, bd->set[bd->new]); __set_bit((hash>>16)&255, bd->set[bd->new]); if (bd->entries == 0) - bd->swap_time = seconds_since_boot(); + bd->swap_time = ktime_get_seconds(); bd->entries += 1; spin_unlock(&blocked_delegations_lock); } diff --git a/fs/nilfs2/btree.c b/fs/nilfs2/btree.c index a426e4e2acda..7c9f4d79bdbc 100644 --- a/fs/nilfs2/btree.c +++ b/fs/nilfs2/btree.c @@ -350,7 +350,7 @@ static int nilfs_btree_node_broken(const struct nilfs_btree_node *node, if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN || level >= NILFS_BTREE_LEVEL_MAX || (flags & NILFS_BTREE_NODE_ROOT) || - nchildren < 0 || + nchildren <= 0 || nchildren > NILFS_BTREE_NODE_NCHILDREN_MAX(size))) { nilfs_crit(inode->i_sb, "bad btree node (ino=%lu, blocknr=%llu): level = %d, flags = 0x%x, nchildren = %d", @@ -381,7 +381,8 @@ static int nilfs_btree_root_broken(const struct nilfs_btree_node *node, if (unlikely(level < NILFS_BTREE_LEVEL_NODE_MIN || level >= NILFS_BTREE_LEVEL_MAX || nchildren < 0 || - nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX)) { + nchildren > NILFS_BTREE_ROOT_NCHILDREN_MAX || + (nchildren == 0 && level > NILFS_BTREE_LEVEL_NODE_MIN))) { nilfs_crit(inode->i_sb, "bad btree root (ino=%lu): level = %d, flags = 0x%x, nchildren = %d", inode->i_ino, level, flags, nchildren); @@ -1659,13 +1660,16 @@ static int nilfs_btree_check_delete(struct nilfs_bmap *btree, __u64 key) int nchildren, ret; root = nilfs_btree_get_root(btree); + nchildren = nilfs_btree_node_get_nchildren(root); + if (unlikely(nchildren == 0)) + return 0; + switch (nilfs_btree_height(btree)) { case 2: bh = NULL; node = root; break; case 3: - nchildren = nilfs_btree_node_get_nchildren(root); if (nchildren > 1) return 0; ptr = nilfs_btree_node_get_ptr(root, nchildren - 1, @@ -1674,12 +1678,12 @@ static int nilfs_btree_check_delete(struct nilfs_bmap *btree, __u64 key) if (ret < 0) return ret; node = (struct nilfs_btree_node *)bh->b_data; + nchildren = nilfs_btree_node_get_nchildren(node); break; default: return 0; } - nchildren = nilfs_btree_node_get_nchildren(node); maxkey = nilfs_btree_node_get_key(node, nchildren - 1); nextmaxkey = (nchildren > 1) ? nilfs_btree_node_get_key(node, nchildren - 2) : 0; diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index 5c0e280c83ee..365cae5c3e35 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -331,6 +331,8 @@ static int nilfs_readdir(struct file *file, struct dir_context *ctx) * returns the page in which the entry was found, and the entry itself * (as a parameter - res_dir). Page is returned mapped and unlocked. * Entry is guaranteed to be valid. + * + * On failure, returns an error pointer and the caller should ignore res_page. */ struct nilfs_dir_entry * nilfs_find_entry(struct inode *dir, const struct qstr *qstr, @@ -358,22 +360,24 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, do { char *kaddr = nilfs_get_page(dir, n, &page); - if (!IS_ERR(kaddr)) { - de = (struct nilfs_dir_entry *)kaddr; - kaddr += nilfs_last_byte(dir, n) - reclen; - while ((char *) de <= kaddr) { - if (de->rec_len == 0) { - nilfs_error(dir->i_sb, - "zero-length directory entry"); - nilfs_put_page(page); - goto out; - } - if (nilfs_match(namelen, name, de)) - goto found; - de = nilfs_next_entry(de); + if (IS_ERR(kaddr)) + return ERR_CAST(kaddr); + + de = (struct nilfs_dir_entry *)kaddr; + kaddr += nilfs_last_byte(dir, n) - reclen; + while ((char *)de <= kaddr) { + if (de->rec_len == 0) { + nilfs_error(dir->i_sb, + "zero-length directory entry"); + nilfs_put_page(page); + goto out; } - nilfs_put_page(page); + if (nilfs_match(namelen, name, de)) + goto found; + de = nilfs_next_entry(de); } + nilfs_put_page(page); + if (++n >= npages) n = 0; /* next page is past the blocks we've got */ @@ -386,7 +390,7 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr, } } while (n != start); out: - return NULL; + return ERR_PTR(-ENOENT); found: *res_page = page; @@ -431,19 +435,19 @@ struct nilfs_dir_entry *nilfs_dotdot(struct inode *dir, struct page **p) return NULL; } -ino_t nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr) +int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino) { - ino_t res = 0; struct nilfs_dir_entry *de; struct page *page; de = nilfs_find_entry(dir, qstr, &page); - if (de) { - res = le64_to_cpu(de->inode); - kunmap(page); - put_page(page); - } - return res; + if (IS_ERR(de)) + return PTR_ERR(de); + + *ino = le64_to_cpu(de->inode); + kunmap(page); + put_page(page); + return 0; } /* Releases the page */ diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index a6ec7961d4f5..eeccd69cd797 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -55,12 +55,20 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode; ino_t ino; + int res; if (dentry->d_name.len > NILFS_NAME_LEN) return ERR_PTR(-ENAMETOOLONG); - ino = nilfs_inode_by_name(dir, &dentry->d_name); - inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL; + res = nilfs_inode_by_name(dir, &dentry->d_name, &ino); + if (res) { + if (res != -ENOENT) + return ERR_PTR(res); + inode = NULL; + } else { + inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino); + } + return d_splice_alias(inode, dentry); } @@ -148,6 +156,9 @@ static int nilfs_symlink(struct inode *dir, struct dentry *dentry, /* slow symlink */ inode->i_op = &nilfs_symlink_inode_operations; inode_nohighmem(inode); + mapping_set_gfp_mask(inode->i_mapping, + mapping_gfp_constraint(inode->i_mapping, + ~__GFP_FS)); inode->i_mapping->a_ops = &nilfs_aops; err = page_symlink(inode, symname, l); if (err) @@ -261,10 +272,11 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry) struct page *page; int err; - err = -ENOENT; de = nilfs_find_entry(dir, &dentry->d_name, &page); - if (!de) + if (IS_ERR(de)) { + err = PTR_ERR(de); goto out; + } inode = d_inode(dentry); err = -EIO; @@ -358,10 +370,11 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (unlikely(err)) return err; - err = -ENOENT; old_de = nilfs_find_entry(old_dir, &old_dentry->d_name, &old_page); - if (!old_de) + if (IS_ERR(old_de)) { + err = PTR_ERR(old_de); goto out; + } if (S_ISDIR(old_inode->i_mode)) { err = -EIO; @@ -378,10 +391,12 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (dir_de && !nilfs_empty_dir(new_inode)) goto out_dir; - err = -ENOENT; - new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page); - if (!new_de) + new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, + &new_page); + if (IS_ERR(new_de)) { + err = PTR_ERR(new_de); goto out_dir; + } nilfs_set_link(new_dir, new_de, new_page, old_inode); nilfs_mark_inode_dirty(new_dir); new_inode->i_ctime = current_time(new_inode); @@ -435,14 +450,15 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, */ static struct dentry *nilfs_get_parent(struct dentry *child) { - unsigned long ino; + ino_t ino; + int res; struct inode *inode; struct qstr dotdot = QSTR_INIT("..", 2); struct nilfs_root *root; - ino = nilfs_inode_by_name(d_inode(child), &dotdot); - if (!ino) - return ERR_PTR(-ENOENT); + res = nilfs_inode_by_name(d_inode(child), &dotdot, &ino); + if (res) + return ERR_PTR(res); root = NILFS_I(d_inode(child))->i_root; diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index f7e2032f4ecf..65254027366b 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -233,7 +233,7 @@ static inline __u32 nilfs_mask_flags(umode_t mode, __u32 flags) /* dir.c */ extern int nilfs_add_link(struct dentry *, struct inode *); -extern ino_t nilfs_inode_by_name(struct inode *, const struct qstr *); +int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino); extern int nilfs_make_empty(struct inode *, struct inode *); extern struct nilfs_dir_entry * nilfs_find_entry(struct inode *, const struct qstr *, struct page **); diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c index 762dd277099e..6e02bd5e2f18 100644 --- a/fs/nilfs2/page.c +++ b/fs/nilfs2/page.c @@ -78,7 +78,8 @@ void nilfs_forget_buffer(struct buffer_head *bh) const unsigned long clear_bits = (BIT(BH_Uptodate) | BIT(BH_Dirty) | BIT(BH_Mapped) | BIT(BH_Async_Write) | BIT(BH_NILFS_Volatile) | - BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected)); + BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected) | + BIT(BH_Delay)); lock_buffer(bh); set_mask_bits(&bh->b_state, clear_bits, 0); @@ -406,13 +407,15 @@ void nilfs_clear_dirty_page(struct page *page, bool silent) ClearPageUptodate(page); ClearPageMappedToDisk(page); + ClearPageChecked(page); if (page_has_buffers(page)) { struct buffer_head *bh, *head; const unsigned long clear_bits = (BIT(BH_Uptodate) | BIT(BH_Dirty) | BIT(BH_Mapped) | BIT(BH_Async_Write) | BIT(BH_NILFS_Volatile) | - BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected)); + BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected) | + BIT(BH_Delay)); bh = head = page_buffers(page); do { diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 1353db3f7f48..1adb258430ea 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -172,9 +172,8 @@ int ocfs2_get_block(struct inode *inode, sector_t iblock, err = ocfs2_extent_map_get_blocks(inode, iblock, &p_blkno, &count, &ext_flags); if (err) { - mlog(ML_ERROR, "Error %d from get_blocks(0x%p, %llu, 1, " - "%llu, NULL)\n", err, inode, (unsigned long long)iblock, - (unsigned long long)p_blkno); + mlog(ML_ERROR, "get_blocks() failed, inode: 0x%p, " + "block: %llu\n", inode, (unsigned long long)iblock); goto bail; } diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c index f9b84f7a3e4b..71a3c0201887 100644 --- a/fs/ocfs2/buffer_head_io.c +++ b/fs/ocfs2/buffer_head_io.c @@ -251,7 +251,6 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, if (bhs[i] == NULL) { bhs[i] = sb_getblk(sb, block++); if (bhs[i] == NULL) { - ocfs2_metadata_cache_io_unlock(ci); status = -ENOMEM; mlog_errno(status); /* Don't forget to put previous bh! */ @@ -405,7 +404,8 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr, /* Always set the buffer in the cache, even if it was * a forced read, or read-ahead which hasn't yet * completed. */ - ocfs2_set_buffer_uptodate(ci, bh); + if (bh) + ocfs2_set_buffer_uptodate(ci, bh); } ocfs2_metadata_cache_io_unlock(ci); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index a6f486f4138f..3c71c05a0581 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1795,6 +1795,14 @@ int ocfs2_remove_inode_range(struct inode *inode, return 0; if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) { + int id_count = ocfs2_max_inline_data_with_xattr(inode->i_sb, di); + + if (byte_start > id_count || byte_start + byte_len > id_count) { + ret = -EINVAL; + mlog_errno(ret); + goto out; + } + ret = ocfs2_truncate_inline(inode, di_bh, byte_start, byte_start + byte_len, 0); if (ret) { diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index c27d8ef47392..3b3ae7521485 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -989,7 +989,7 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) if (!igrab(inode)) BUG(); - num_running_trans = atomic_read(&(osb->journal->j_num_trans)); + num_running_trans = atomic_read(&(journal->j_num_trans)); trace_ocfs2_journal_shutdown(num_running_trans); /* Do a commit_cache here. It will flush our journal, *and* @@ -1008,9 +1008,10 @@ void ocfs2_journal_shutdown(struct ocfs2_super *osb) osb->commit_task = NULL; } - BUG_ON(atomic_read(&(osb->journal->j_num_trans)) != 0); + BUG_ON(atomic_read(&(journal->j_num_trans)) != 0); - if (ocfs2_mount_local(osb)) { + if (ocfs2_mount_local(osb) && + (journal->j_journal->j_flags & JBD2_LOADED)) { jbd2_journal_lock_updates(journal->j_journal); status = jbd2_journal_flush(journal->j_journal); jbd2_journal_unlock_updates(journal->j_journal); diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c index a46aff7135d3..e6941e090857 100644 --- a/fs/ocfs2/localalloc.c +++ b/fs/ocfs2/localalloc.c @@ -1026,6 +1026,25 @@ static int ocfs2_sync_local_to_main(struct ocfs2_super *osb, start = bit_off + 1; } + /* clear the contiguous bits until the end boundary */ + if (count) { + blkno = la_start_blk + + ocfs2_clusters_to_blocks(osb->sb, + start - count); + + trace_ocfs2_sync_local_to_main_free( + count, start - count, + (unsigned long long)la_start_blk, + (unsigned long long)blkno); + + status = ocfs2_release_clusters(handle, + main_bm_inode, + main_bm_bh, blkno, + count); + if (status < 0) + mlog_errno(status); + } + bail: if (status) mlog_errno(status); diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index b1a8b046f4c2..7a1c8da9e44b 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -689,7 +689,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) int status; struct buffer_head *bh = NULL; struct ocfs2_quota_recovery *rec; - int locked = 0; + int locked = 0, global_read = 0; info->dqi_max_spc_limit = 0x7fffffffffffffffLL; info->dqi_max_ino_limit = 0x7fffffffffffffffLL; @@ -697,6 +697,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) if (!oinfo) { mlog(ML_ERROR, "failed to allocate memory for ocfs2 quota" " info."); + status = -ENOMEM; goto out_err; } info->dqi_priv = oinfo; @@ -709,6 +710,7 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) status = ocfs2_global_read_info(sb, type); if (status < 0) goto out_err; + global_read = 1; status = ocfs2_inode_lock(lqinode, &oinfo->dqi_lqi_bh, 1); if (status < 0) { @@ -779,10 +781,12 @@ static int ocfs2_local_read_info(struct super_block *sb, int type) if (locked) ocfs2_inode_unlock(lqinode, 1); ocfs2_release_local_quota_bitmaps(&oinfo->dqi_chunk); + if (global_read) + cancel_delayed_work_sync(&oinfo->dqi_sync_work); kfree(oinfo); } brelse(bh); - return -1; + return status; } /* Write local info to quota file */ diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index e184b36f8dd3..7eefd6bd8f8f 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -35,6 +35,7 @@ #include "namei.h" #include "ocfs2_trace.h" #include "file.h" +#include "symlink.h" #include <linux/bio.h> #include <linux/blkdev.h> @@ -4192,8 +4193,9 @@ static int __ocfs2_reflink(struct dentry *old_dentry, int ret; struct inode *inode = d_inode(old_dentry); struct buffer_head *new_bh = NULL; + struct ocfs2_inode_info *oi = OCFS2_I(inode); - if (OCFS2_I(inode)->ip_flags & OCFS2_INODE_SYSTEM_FILE) { + if (oi->ip_flags & OCFS2_INODE_SYSTEM_FILE) { ret = -EINVAL; mlog_errno(ret); goto out; @@ -4219,6 +4221,26 @@ static int __ocfs2_reflink(struct dentry *old_dentry, goto out_unlock; } + if ((oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) && + (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL)) { + /* + * Adjust extent record count to reserve space for extended attribute. + * Inline data count had been adjusted in ocfs2_duplicate_inline_data(). + */ + struct ocfs2_inode_info *new_oi = OCFS2_I(new_inode); + + if (!(new_oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) && + !(ocfs2_inode_is_fast_symlink(new_inode))) { + struct ocfs2_dinode *new_di = (struct ocfs2_dinode *)new_bh->b_data; + struct ocfs2_dinode *old_di = (struct ocfs2_dinode *)old_bh->b_data; + struct ocfs2_extent_list *el = &new_di->id2.i_list; + int inline_size = le16_to_cpu(old_di->i_xattr_inline_size); + + le16_add_cpu(&el->l_count, -(inline_size / + sizeof(struct ocfs2_extent_rec))); + } + } + ret = ocfs2_create_reflink_node(inode, old_bh, new_inode, new_bh, preserve); if (ret) { @@ -4226,7 +4248,7 @@ static int __ocfs2_reflink(struct dentry *old_dentry, goto inode_unlock; } - if (OCFS2_I(inode)->ip_dyn_features & OCFS2_HAS_XATTR_FL) { + if (oi->ip_dyn_features & OCFS2_HAS_XATTR_FL) { ret = ocfs2_reflink_xattrs(inode, old_bh, new_inode, new_bh, preserve); diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 54d881c9ac81..b9dfac2a5649 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -1076,13 +1076,13 @@ ssize_t ocfs2_listxattr(struct dentry *dentry, return i_ret + b_ret; } -static int ocfs2_xattr_find_entry(int name_index, +static int ocfs2_xattr_find_entry(struct inode *inode, int name_index, const char *name, struct ocfs2_xattr_search *xs) { struct ocfs2_xattr_entry *entry; size_t name_len; - int i, cmp = 1; + int i, name_offset, cmp = 1; if (name == NULL) return -EINVAL; @@ -1090,13 +1090,22 @@ static int ocfs2_xattr_find_entry(int name_index, name_len = strlen(name); entry = xs->here; for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) { + if ((void *)entry >= xs->end) { + ocfs2_error(inode->i_sb, "corrupted xattr entries"); + return -EFSCORRUPTED; + } cmp = name_index - ocfs2_xattr_get_type(entry); if (!cmp) cmp = name_len - entry->xe_name_len; - if (!cmp) - cmp = memcmp(name, (xs->base + - le16_to_cpu(entry->xe_name_offset)), - name_len); + if (!cmp) { + name_offset = le16_to_cpu(entry->xe_name_offset); + if ((xs->base + name_offset + name_len) > xs->end) { + ocfs2_error(inode->i_sb, + "corrupted xattr entries"); + return -EFSCORRUPTED; + } + cmp = memcmp(name, (xs->base + name_offset), name_len); + } if (cmp == 0) break; entry += 1; @@ -1180,7 +1189,7 @@ static int ocfs2_xattr_ibody_get(struct inode *inode, xs->base = (void *)xs->header; xs->here = xs->header->xh_entries; - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); if (ret) return ret; size = le64_to_cpu(xs->here->xe_value_size); @@ -2712,7 +2721,7 @@ static int ocfs2_xattr_ibody_find(struct inode *inode, /* Find the named attribute. */ if (oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) { - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); if (ret && ret != -ENODATA) return ret; xs->not_found = ret; @@ -2847,7 +2856,7 @@ static int ocfs2_xattr_block_find(struct inode *inode, xs->end = (void *)(blk_bh->b_data) + blk_bh->b_size; xs->here = xs->header->xh_entries; - ret = ocfs2_xattr_find_entry(name_index, name, xs); + ret = ocfs2_xattr_find_entry(inode, name_index, name, xs); } else ret = ocfs2_xattr_index_block_find(inode, blk_bh, name_index, @@ -6525,16 +6534,7 @@ static int ocfs2_reflink_xattr_inline(struct ocfs2_xattr_reflink *args) } new_oi = OCFS2_I(args->new_inode); - /* - * Adjust extent record count to reserve space for extended attribute. - * Inline data count had been adjusted in ocfs2_duplicate_inline_data(). - */ - if (!(new_oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) && - !(ocfs2_inode_is_fast_symlink(args->new_inode))) { - struct ocfs2_extent_list *el = &new_di->id2.i_list; - le16_add_cpu(&el->l_count, -(inline_size / - sizeof(struct ocfs2_extent_rec))); - } + spin_lock(&new_oi->ip_lock); new_oi->ip_dyn_features |= OCFS2_HAS_XATTR_FL | OCFS2_INLINE_XATTR_FL; new_di->i_dyn_features = cpu_to_le16(new_oi->ip_dyn_features); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 08d7208eb7b7..76bb8be01b8d 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -2166,12 +2166,15 @@ int8_t udf_current_aext(struct inode *inode, struct extent_position *epos, alen = udf_file_entry_alloc_offset(inode) + iinfo->i_lenAlloc; } else { + struct allocExtDesc *header = + (struct allocExtDesc *)epos->bh->b_data; + if (!epos->offset) epos->offset = sizeof(struct allocExtDesc); ptr = epos->bh->b_data + epos->offset; - alen = sizeof(struct allocExtDesc) + - le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)-> - lengthAllocDescs); + if (check_add_overflow(sizeof(struct allocExtDesc), + le32_to_cpu(header->lengthAllocDescs), &alen)) + return -1; } switch (iinfo->i_alloc_type) { diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h index f3e6eed3e79c..fbf6dc19c132 100644 --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -111,7 +111,8 @@ drm_vprintf(struct drm_printer *p, const char *fmt, va_list *va) /** * struct drm_print_iterator - local struct used with drm_printer_coredump - * @data: Pointer to the devcoredump output buffer + * @data: Pointer to the devcoredump output buffer, can be NULL if using + * drm_printer_coredump to determine size of devcoredump * @start: The offset within the buffer to start writing * @remain: The number of bytes to write for this iteration */ @@ -156,6 +157,57 @@ struct drm_print_iterator { * coredump_read, ...) * } * + * The above example has a time complexity of O(N^2), where N is the size of the + * devcoredump. This is acceptable for small devcoredumps but scales poorly for + * larger ones. + * + * Another use case for drm_coredump_printer is to capture the devcoredump into + * a saved buffer before the dev_coredump() callback. This involves two passes: + * one to determine the size of the devcoredump and another to print it to a + * buffer. Then, in dev_coredump(), copy from the saved buffer into the + * devcoredump read buffer. + * + * For example:: + * + * char *devcoredump_saved_buffer; + * + * ssize_t __coredump_print(char *buffer, ssize_t count, ...) + * { + * struct drm_print_iterator iter; + * struct drm_printer p; + * + * iter.data = buffer; + * iter.start = 0; + * iter.remain = count; + * + * p = drm_coredump_printer(&iter); + * + * drm_printf(p, "foo=%d\n", foo); + * ... + * return count - iter.remain; + * } + * + * void coredump_print(...) + * { + * ssize_t count; + * + * count = __coredump_print(NULL, INT_MAX, ...); + * devcoredump_saved_buffer = kvmalloc(count, GFP_KERNEL); + * __coredump_print(devcoredump_saved_buffer, count, ...); + * } + * + * void coredump_read(char *buffer, loff_t offset, size_t count, + * void *data, size_t datalen) + * { + * ... + * memcpy(buffer, devcoredump_saved_buffer + offset, count); + * ... + * } + * + * The above example has a time complexity of O(N*2), where N is the size of the + * devcoredump. This scales better than the previous example for larger + * devcoredumps. + * * RETURNS: * The &drm_printer object */ diff --git a/include/linux/clk.h b/include/linux/clk.h index 0a2382d3f68c..fb4c86360e5a 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -388,6 +388,102 @@ int __must_check devm_clk_bulk_get(struct device *dev, int num_clks, */ struct clk *devm_clk_get(struct device *dev, const char *id); +/** + * devm_clk_get_prepared - devm_clk_get() + clk_prepare() + * @dev: device for clock "consumer" + * @id: clock consumer ID + * + * Context: May sleep. + * + * Return: a struct clk corresponding to the clock producer, or + * valid IS_ERR() condition containing errno. The implementation + * uses @dev and @id to determine the clock consumer, and thereby + * the clock producer. (IOW, @id may be identical strings, but + * clk_get may return different clock producers depending on @dev.) + * + * The returned clk (if valid) is prepared. Drivers must however assume + * that the clock is not enabled. + * + * The clock will automatically be unprepared and freed when the device + * is unbound from the bus. + */ +struct clk *devm_clk_get_prepared(struct device *dev, const char *id); + +/** + * devm_clk_get_enabled - devm_clk_get() + clk_prepare_enable() + * @dev: device for clock "consumer" + * @id: clock consumer ID + * + * Context: May sleep. + * + * Return: a struct clk corresponding to the clock producer, or + * valid IS_ERR() condition containing errno. The implementation + * uses @dev and @id to determine the clock consumer, and thereby + * the clock producer. (IOW, @id may be identical strings, but + * clk_get may return different clock producers depending on @dev.) + * + * The returned clk (if valid) is prepared and enabled. + * + * The clock will automatically be disabled, unprepared and freed + * when the device is unbound from the bus. + */ +struct clk *devm_clk_get_enabled(struct device *dev, const char *id); + +/** + * devm_clk_get_optional - lookup and obtain a managed reference to an optional + * clock producer. + * @dev: device for clock "consumer" + * @id: clock consumer ID + * + * Behaves the same as devm_clk_get() except where there is no clock producer. + * In this case, instead of returning -ENOENT, the function returns NULL. + */ +struct clk *devm_clk_get_optional(struct device *dev, const char *id); + +/** + * devm_clk_get_optional_prepared - devm_clk_get_optional() + clk_prepare() + * @dev: device for clock "consumer" + * @id: clock consumer ID + * + * Context: May sleep. + * + * Return: a struct clk corresponding to the clock producer, or + * valid IS_ERR() condition containing errno. The implementation + * uses @dev and @id to determine the clock consumer, and thereby + * the clock producer. If no such clk is found, it returns NULL + * which serves as a dummy clk. That's the only difference compared + * to devm_clk_get_prepared(). + * + * The returned clk (if valid) is prepared. Drivers must however + * assume that the clock is not enabled. + * + * The clock will automatically be unprepared and freed when the + * device is unbound from the bus. + */ +struct clk *devm_clk_get_optional_prepared(struct device *dev, const char *id); + +/** + * devm_clk_get_optional_enabled - devm_clk_get_optional() + + * clk_prepare_enable() + * @dev: device for clock "consumer" + * @id: clock consumer ID + * + * Context: May sleep. + * + * Return: a struct clk corresponding to the clock producer, or + * valid IS_ERR() condition containing errno. The implementation + * uses @dev and @id to determine the clock consumer, and thereby + * the clock producer. If no such clk is found, it returns NULL + * which serves as a dummy clk. That's the only difference compared + * to devm_clk_get_enabled(). + * + * The returned clk (if valid) is prepared and enabled. + * + * The clock will automatically be disabled, unprepared and freed + * when the device is unbound from the bus. + */ +struct clk *devm_clk_get_optional_enabled(struct device *dev, const char *id); + /** * devm_get_clk_from_child - lookup and obtain a managed reference to a * clock producer from child node. @@ -655,6 +751,36 @@ static inline struct clk *devm_clk_get(struct device *dev, const char *id) return NULL; } +static inline struct clk *devm_clk_get_prepared(struct device *dev, + const char *id) +{ + return NULL; +} + +static inline struct clk *devm_clk_get_enabled(struct device *dev, + const char *id) +{ + return NULL; +} + +static inline struct clk *devm_clk_get_optional(struct device *dev, + const char *id) +{ + return NULL; +} + +static inline struct clk *devm_clk_get_optional_prepared(struct device *dev, + const char *id) +{ + return NULL; +} + +static inline struct clk *devm_clk_get_optional_enabled(struct device *dev, + const char *id) +{ + return NULL; +} + static inline int __must_check devm_clk_bulk_get(struct device *dev, int num_clks, struct clk_bulk_data *clks) { @@ -774,6 +900,25 @@ static inline void clk_bulk_disable_unprepare(int num_clks, clk_bulk_unprepare(num_clks, clks); } +/** + * clk_get_optional - lookup and obtain a reference to an optional clock + * producer. + * @dev: device for clock "consumer" + * @id: clock consumer ID + * + * Behaves the same as clk_get() except where there is no clock producer. In + * this case, instead of returning -ENOENT, the function returns NULL. + */ +static inline struct clk *clk_get_optional(struct device *dev, const char *id) +{ + struct clk *clk = clk_get(dev, id); + + if (clk == ERR_PTR(-ENOENT)) + return NULL; + + return clk; +} + #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK) struct clk *of_clk_get(struct device_node *np, int index); struct clk *of_clk_get_by_name(struct device_node *np, const char *name); diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 268f3000d1b3..1d81afb54928 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1421,6 +1421,10 @@ extern int jbd2_journal_inode_ranged_write(handle_t *handle, extern int jbd2_journal_inode_ranged_wait(handle_t *handle, struct jbd2_inode *inode, loff_t start_byte, loff_t length); +extern int jbd2_journal_submit_inode_data_buffers( + struct jbd2_inode *jinode); +extern int jbd2_journal_finish_inode_data_buffers( + struct jbd2_inode *jinode); extern int jbd2_journal_begin_ordered_truncate(journal_t *journal, struct jbd2_inode *inode, loff_t new_size); extern void jbd2_journal_init_jbd_inode(struct jbd2_inode *jinode, struct inode *inode); diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 91193284710f..5f996cf93c13 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -2647,6 +2647,8 @@ #define PCI_DEVICE_ID_DCI_PCCOM8 0x0002 #define PCI_DEVICE_ID_DCI_PCCOM2 0x0004 +#define PCI_VENDOR_ID_GLENFLY 0x6766 + #define PCI_VENDOR_ID_INTEL 0x8086 #define PCI_DEVICE_ID_INTEL_EESSC 0x0008 #define PCI_DEVICE_ID_INTEL_PXHD_0 0x0320 diff --git a/include/net/sock.h b/include/net/sock.h index 6304e287087f..0fd67a5f15e8 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -764,6 +764,8 @@ static inline void sk_add_bind_node(struct sock *sk, hlist_for_each_entry_safe(__sk, tmp, list, sk_node) #define sk_for_each_bound(__sk, list) \ hlist_for_each_entry(__sk, list, sk_bind_node) +#define sk_for_each_bound_safe(__sk, tmp, list) \ + hlist_for_each_entry_safe(__sk, tmp, list, sk_bind_node) /** * sk_for_each_entry_offset_rcu - iterate over a list at a given struct offset diff --git a/include/net/tcp.h b/include/net/tcp.h index 49da4d4a3c3d..9f991c5927c3 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -794,6 +794,12 @@ static inline u32 tcp_skb_timestamp(const struct sk_buff *skb) return div_u64(skb->skb_mstamp, USEC_PER_SEC / TCP_TS_HZ); } +/* provide the departure time in us unit */ +static inline u64 tcp_skb_timestamp_us(const struct sk_buff *skb) +{ + return skb->skb_mstamp; +} + #define tcp_flag_byte(th) (((u_int8_t *)th)[13]) @@ -2003,9 +2009,26 @@ static inline s64 tcp_rto_delta_us(const struct sock *sk) { const struct sk_buff *skb = tcp_rtx_queue_head(sk); u32 rto = inet_csk(sk)->icsk_rto; - u64 rto_time_stamp_us = skb->skb_mstamp + jiffies_to_usecs(rto); - return rto_time_stamp_us - tcp_sk(sk)->tcp_mstamp; + if (likely(skb)) { + u64 rto_time_stamp_us = tcp_skb_timestamp_us(skb) + jiffies_to_usecs(rto); + + return rto_time_stamp_us - tcp_sk(sk)->tcp_mstamp; + } else { + WARN_ONCE(1, + "rtx queue emtpy: " + "out:%u sacked:%u lost:%u retrans:%u " + "tlp_high_seq:%u sk_state:%u ca_state:%u " + "advmss:%u mss_cache:%u pmtu:%u\n", + tcp_sk(sk)->packets_out, tcp_sk(sk)->sacked_out, + tcp_sk(sk)->lost_out, tcp_sk(sk)->retrans_out, + tcp_sk(sk)->tlp_high_seq, sk->sk_state, + inet_csk(sk)->icsk_ca_state, + tcp_sk(sk)->advmss, tcp_sk(sk)->mss_cache, + inet_csk(sk)->icsk_pmtu_cookie); + return jiffies_to_usecs(rto); + } + } /* diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 098d6dff20be..abffe3a3f39e 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -148,7 +148,8 @@ TRACE_DEFINE_ENUM(CP_TRIMMED); { CP_NODE_NEED_CP, "node needs cp" }, \ { CP_FASTBOOT_MODE, "fastboot mode" }, \ { CP_SPEC_LOG_NUM, "log type is 2" }, \ - { CP_RECOVER_DIR, "dir needs recovery" }) + { CP_RECOVER_DIR, "dir needs recovery" }, \ + { CP_XATTR_DIR, "dir's xattr updated" }) struct victim_sel_policy; struct f2fs_map_blocks; diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h index 9a4bdfadab07..a4eb7bc6fcf5 100644 --- a/include/trace/events/sched.h +++ b/include/trace/events/sched.h @@ -5,6 +5,7 @@ #if !defined(_TRACE_SCHED_H) || defined(TRACE_HEADER_MULTI_READ) #define _TRACE_SCHED_H +#include <linux/kthread.h> #include <linux/sched/numa_balancing.h> #include <linux/tracepoint.h> #include <linux/binfmts.h> @@ -51,6 +52,89 @@ TRACE_EVENT(sched_kthread_stop_ret, TP_printk("ret=%d", __entry->ret) ); +/** + * sched_kthread_work_queue_work - called when a work gets queued + * @worker: pointer to the kthread_worker + * @work: pointer to struct kthread_work + * + * This event occurs when a work is queued immediately or once a + * delayed work is actually queued (ie: once the delay has been + * reached). + */ +TRACE_EVENT(sched_kthread_work_queue_work, + + TP_PROTO(struct kthread_worker *worker, + struct kthread_work *work), + + TP_ARGS(worker, work), + + TP_STRUCT__entry( + __field( void *, work ) + __field( void *, function) + __field( void *, worker) + ), + + TP_fast_assign( + __entry->work = work; + __entry->function = work->func; + __entry->worker = worker; + ), + + TP_printk("work struct=%p function=%ps worker=%p", + __entry->work, __entry->function, __entry->worker) +); + +/** + * sched_kthread_work_execute_start - called immediately before the work callback + * @work: pointer to struct kthread_work + * + * Allows to track kthread work execution. + */ +TRACE_EVENT(sched_kthread_work_execute_start, + + TP_PROTO(struct kthread_work *work), + + TP_ARGS(work), + + TP_STRUCT__entry( + __field( void *, work ) + __field( void *, function) + ), + + TP_fast_assign( + __entry->work = work; + __entry->function = work->func; + ), + + TP_printk("work struct %p: function %ps", __entry->work, __entry->function) +); + +/** + * sched_kthread_work_execute_end - called immediately after the work callback + * @work: pointer to struct work_struct + * @function: pointer to worker function + * + * Allows to track workqueue execution. + */ +TRACE_EVENT(sched_kthread_work_execute_end, + + TP_PROTO(struct kthread_work *work, kthread_work_func_t function), + + TP_ARGS(work, function), + + TP_STRUCT__entry( + __field( void *, work ) + __field( void *, function) + ), + + TP_fast_assign( + __entry->work = work; + __entry->function = function; + ), + + TP_printk("work struct %p: function %ps", __entry->work, __entry->function) +); + /* * Tracepoint for waking up a task: */ diff --git a/include/uapi/linux/cec.h b/include/uapi/linux/cec.h index d6ba68880cef..8b7085c7577d 100644 --- a/include/uapi/linux/cec.h +++ b/include/uapi/linux/cec.h @@ -132,6 +132,8 @@ static inline void cec_msg_init(struct cec_msg *msg, * Set the msg destination to the orig initiator and the msg initiator to the * orig destination. Note that msg and orig may be the same pointer, in which * case the change is done in place. + * + * It also zeroes the reply, timeout and flags fields. */ static inline void cec_msg_set_reply_to(struct cec_msg *msg, struct cec_msg *orig) @@ -139,7 +141,9 @@ static inline void cec_msg_set_reply_to(struct cec_msg *msg, /* The destination becomes the initiator and vice versa */ msg->msg[0] = (cec_msg_destination(orig) << 4) | cec_msg_initiator(orig); - msg->reply = msg->timeout = 0; + msg->reply = 0; + msg->timeout = 0; + msg->flags = 0; } /* cec_msg flags field */ diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index 00781db11419..af33a7519b08 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -1464,7 +1464,7 @@ enum nft_object_attributes { * * @NFTA_FLOWTABLE_TABLE: name of the table containing the expression (NLA_STRING) * @NFTA_FLOWTABLE_NAME: name of this flow table (NLA_STRING) - * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration(NLA_U32) + * @NFTA_FLOWTABLE_HOOK: netfilter hook configuration (NLA_NESTED) * @NFTA_FLOWTABLE_USE: number of references to this flow table (NLA_U32) * @NFTA_FLOWTABLE_HANDLE: object handle (NLA_U64) */ diff --git a/kernel/bpf/arraymap.c b/kernel/bpf/arraymap.c index 44f53c06629e..03e244b11f5a 100644 --- a/kernel/bpf/arraymap.c +++ b/kernel/bpf/arraymap.c @@ -71,6 +71,9 @@ int array_map_alloc_check(union bpf_attr *attr) * access the elements. */ return -E2BIG; + /* percpu map value size is bound by PCPU_MIN_UNIT_SIZE */ + if (percpu && round_up(attr->value_size, 8) > PCPU_MIN_UNIT_SIZE) + return -E2BIG; return 0; } diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 16081d8384bf..bca328703046 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -291,6 +291,9 @@ static int htab_map_alloc_check(union bpf_attr *attr) * kmalloc-able later in htab_map_update_elem() */ return -E2BIG; + /* percpu map value size is bound by PCPU_MIN_UNIT_SIZE */ + if (percpu && round_up(attr->value_size, 8) > PCPU_MIN_UNIT_SIZE) + return -E2BIG; return 0; } diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c index fcd3a15add41..a929ee0e86b1 100644 --- a/kernel/bpf/lpm_trie.c +++ b/kernel/bpf/lpm_trie.c @@ -629,7 +629,7 @@ static int trie_get_next_key(struct bpf_map *map, void *_key, void *_next_key) if (!key || key->prefixlen > trie->max_prefixlen) goto find_leftmost; - node_stack = kmalloc_array(trie->max_prefixlen, + node_stack = kmalloc_array(trie->max_prefixlen + 1, sizeof(struct lpm_trie_node *), GFP_ATOMIC | __GFP_NOWARN); if (!node_stack) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 30c058806702..4ab74d06be19 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5104,7 +5104,7 @@ static bool cgroup_check_hierarchy_limits(struct cgroup *parent) { struct cgroup *cgroup; int ret = false; - int level = 1; + int level = 0; lockdep_assert_held(&cgroup_mutex); @@ -5112,7 +5112,7 @@ static bool cgroup_check_hierarchy_limits(struct cgroup *parent) if (cgroup->nr_descendants >= cgroup->max_descendants) goto fail; - if (level > cgroup->max_depth) + if (level >= cgroup->max_depth) goto fail; level++; diff --git a/kernel/events/core.c b/kernel/events/core.c index 4f1b0fc2e74d..26a547866ed9 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3618,7 +3618,11 @@ static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count, bo period = perf_calculate_period(event, nsec, count); delta = (s64)(period - hwc->sample_period); - delta = (delta + 7) / 8; /* low pass filter */ + if (delta >= 0) + delta += 7; + else + delta -= 7; + delta /= 8; /* low pass filter */ sample_period = hwc->sample_period + delta; diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c index 3361da45e1db..3ca91daddc9f 100644 --- a/kernel/events/uprobes.c +++ b/kernel/events/uprobes.c @@ -1198,7 +1198,7 @@ static struct xol_area *__create_xol_area(unsigned long vaddr) area->xol_mapping.name = "[uprobes]"; area->xol_mapping.pages = area->pages; - area->pages[0] = alloc_page(GFP_HIGHUSER); + area->pages[0] = alloc_page(GFP_HIGHUSER | __GFP_ZERO); if (!area->pages[0]) goto free_bitmap; area->pages[1] = NULL; diff --git a/kernel/kthread.c b/kernel/kthread.c index 9750f4f7f901..9c562b3b362a 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -696,10 +696,25 @@ int kthread_worker_fn(void *worker_ptr) spin_unlock_irq(&worker->lock); if (work) { + kthread_work_func_t func = work->func; __set_current_state(TASK_RUNNING); + trace_sched_kthread_work_execute_start(work); work->func(work); - } else if (!freezing(current)) + /* + * Avoid dereferencing work after this point. The trace + * event only cares about the address. + */ + trace_sched_kthread_work_execute_end(work, func); + } else if (!freezing(current)) { schedule(); + } else { + /* + * Handle the case where the current remains + * TASK_INTERRUPTIBLE. try_to_freeze() expects + * the current to be TASK_RUNNING. + */ + __set_current_state(TASK_RUNNING); + } try_to_freeze(); cond_resched(); @@ -826,6 +841,8 @@ static void kthread_insert_work(struct kthread_worker *worker, { kthread_insert_work_sanity_check(worker, work); + trace_sched_kthread_work_queue_work(worker, work); + list_add_tail(&work->node, pos); work->worker = worker; if (!worker->current_work && likely(worker->task)) diff --git a/kernel/signal.c b/kernel/signal.c index c79b87ac1041..356bdf5c45e6 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1739,10 +1739,11 @@ struct sigqueue *sigqueue_alloc(void) void sigqueue_free(struct sigqueue *q) { - unsigned long flags; spinlock_t *lock = ¤t->sighand->siglock; + unsigned long flags; - BUG_ON(!(q->flags & SIGQUEUE_PREALLOC)); + if (WARN_ON_ONCE(!(q->flags & SIGQUEUE_PREALLOC))) + return; /* * We must hold ->siglock while testing q->list * to serialize with collect_signal() or with @@ -1770,7 +1771,10 @@ int send_sigqueue(struct sigqueue *q, struct pid *pid, enum pid_type type) unsigned long flags; int ret, result; - BUG_ON(!(q->flags & SIGQUEUE_PREALLOC)); + if (WARN_ON_ONCE(!(q->flags & SIGQUEUE_PREALLOC))) + return 0; + if (WARN_ON_ONCE(q->info.si_code != SI_TIMER)) + return 0; ret = -1; rcu_read_lock(); @@ -1789,7 +1793,6 @@ int send_sigqueue(struct sigqueue *q, struct pid *pid, enum pid_type type) * If an SI_TIMER entry is already queue just increment * the overrun count. */ - BUG_ON(q->info.si_code != SI_TIMER); q->info.si_overrun++; result = TRACE_SIGNAL_ALREADY_PENDING; goto out; diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c index c8a8501fae5b..c1e5feff8185 100644 --- a/kernel/time/posix-clock.c +++ b/kernel/time/posix-clock.c @@ -303,6 +303,9 @@ static int pc_clock_settime(clockid_t id, const struct timespec64 *ts) struct posix_clock_desc cd; int err; + if (!timespec64_valid_strict(ts)) + return -EINVAL; + err = get_clock_desc(id, &cd); if (err) return err; diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 43fb832d26d2..62015d62dd6f 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -1320,12 +1320,11 @@ static enum print_line_t trace_print_print(struct trace_iterator *iter, { struct print_entry *field; struct trace_seq *s = &iter->seq; - int max = iter->ent_size - offsetof(struct print_entry, buf); trace_assign_type(field, iter->ent); seq_print_ip_sym(s, field->ip, flags); - trace_seq_printf(s, ": %.*s", max, field->buf); + trace_seq_printf(s, ": %s", field->buf); return trace_handle_return(s); } @@ -1334,11 +1333,10 @@ static enum print_line_t trace_print_raw(struct trace_iterator *iter, int flags, struct trace_event *event) { struct print_entry *field; - int max = iter->ent_size - offsetof(struct print_entry, buf); trace_assign_type(field, iter->ent); - trace_seq_printf(&iter->seq, "# %lx %.*s", field->ip, max, field->buf); + trace_seq_printf(&iter->seq, "# %lx %s", field->ip, field->buf); return trace_handle_return(&iter->seq); } diff --git a/lib/xz/xz_crc32.c b/lib/xz/xz_crc32.c index 912aae5fa09e..34532d14fd4c 100644 --- a/lib/xz/xz_crc32.c +++ b/lib/xz/xz_crc32.c @@ -29,7 +29,7 @@ STATIC_RW_DATA uint32_t xz_crc32_table[256]; XZ_EXTERN void xz_crc32_init(void) { - const uint32_t poly = CRC32_POLY_LE; + const uint32_t poly = 0xEDB88320; uint32_t i; uint32_t j; diff --git a/lib/xz/xz_private.h b/lib/xz/xz_private.h index 09360ebb510e..482b90f363fe 100644 --- a/lib/xz/xz_private.h +++ b/lib/xz/xz_private.h @@ -102,10 +102,6 @@ # endif #endif -#ifndef CRC32_POLY_LE -#define CRC32_POLY_LE 0xedb88320 -#endif - /* * Allocate memory for LZMA2 decoder. xz_dec_lzma2_reset() must be used * before calling xz_dec_lzma2_run(). diff --git a/mm/shmem.c b/mm/shmem.c index 0788616696dc..6e9027cb72ef 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1014,7 +1014,9 @@ static int shmem_getattr(const struct path *path, struct kstat *stat, shmem_recalc_inode(inode); spin_unlock_irq(&info->lock); } + inode_lock_shared(inode); generic_fillattr(inode, stat); + inode_unlock_shared(inode); if (is_huge_enabled(sb_info)) stat->blksize = HPAGE_PMD_SIZE; diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 798f8f485e5a..ecda737113ce 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -781,6 +781,7 @@ static int __init bt_init(void) bt_sysfs_cleanup(); cleanup_led: bt_leds_cleanup(); + debugfs_remove_recursive(bt_debugfs); return err; } diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index a16d584a6c0d..e1cfd110d281 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -744,8 +744,7 @@ static int __init bnep_init(void) if (flt[0]) BT_INFO("BNEP filters: %s", flt); - bnep_sock_init(); - return 0; + return bnep_sock_init(); } static void __exit bnep_exit(void) diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 78830efe89d7..8f53cc0d9682 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -872,9 +872,7 @@ static int rfcomm_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned lon if (err == -ENOIOCTLCMD) { #ifdef CONFIG_BT_RFCOMM_TTY - lock_sock(sk); err = rfcomm_dev_ioctl(sk, cmd, (void __user *) arg); - release_sock(sk); #else err = -EOPNOTSUPP; #endif diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 35642dc96852..75e35fae6f24 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -37,6 +37,7 @@ #include <net/ip.h> #include <net/ipv6.h> #include <net/addrconf.h> +#include <net/dst_metadata.h> #include <net/route.h> #include <net/netfilter/br_netfilter.h> #include <net/netns/generic.h> @@ -737,6 +738,10 @@ static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff return br_dev_queue_push_xmit(net, sk, skb); } + /* Fragmentation on metadata/template dst is not supported */ + if (unlikely(!skb_valid_dst(skb))) + goto drop; + /* This is wrong! We should preserve the original fragment * boundaries by preserving frag_list rather than refragmenting. */ diff --git a/net/can/bcm.c b/net/can/bcm.c index 095f68536c14..07c0634b32f7 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -1423,8 +1423,10 @@ static void bcm_notify(struct bcm_sock *bo, unsigned long msg, /* remove device reference, if this is our bound device */ if (bo->bound && bo->ifindex == dev->ifindex) { #if IS_ENABLED(CONFIG_PROC_FS) - if (sock_net(sk)->can.bcmproc_dir && bo->bcm_proc_read) + if (sock_net(sk)->can.bcmproc_dir && bo->bcm_proc_read) { remove_proc_entry(bo->procname, sock_net(sk)->can.bcmproc_dir); + bo->bcm_proc_read = NULL; + } #endif bo->bound = 0; bo->ifindex = 0; diff --git a/net/core/dev.c b/net/core/dev.c index b5c9648c2192..c5b5dac093d6 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3323,7 +3323,22 @@ int skb_csum_hwoffload_help(struct sk_buff *skb, return !!(features & NETIF_F_SCTP_CRC) ? 0 : skb_crc32c_csum_help(skb); - return !!(features & NETIF_F_CSUM_MASK) ? 0 : skb_checksum_help(skb); + if (features & NETIF_F_HW_CSUM) + return 0; + + if (features & (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM)) { + if (vlan_get_protocol(skb) == htons(ETH_P_IPV6) && + skb_network_header_len(skb) != sizeof(struct ipv6hdr)) + goto sw_checksum; + switch (skb->csum_offset) { + case offsetof(struct tcphdr, check): + case offsetof(struct udphdr, check): + return 0; + } + } + +sw_checksum: + return skb_checksum_help(skb); } EXPORT_SYMBOL(skb_csum_hwoffload_help); @@ -3435,7 +3450,7 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) sizeof(_tcphdr), &_tcphdr); if (likely(th)) hdr_len += __tcp_hdrlen(th); - } else { + } else if (shinfo->gso_type & SKB_GSO_UDP_L4) { struct udphdr _udphdr; if (skb_header_pointer(skb, skb_transport_offset(skb), @@ -3443,10 +3458,14 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) hdr_len += sizeof(struct udphdr); } - if (shinfo->gso_type & SKB_GSO_DODGY) - gso_segs = DIV_ROUND_UP(skb->len - hdr_len, - shinfo->gso_size); + if (unlikely(shinfo->gso_type & SKB_GSO_DODGY)) { + int payload = skb->len - hdr_len; + /* Malicious packet. */ + if (payload <= 0) + return; + gso_segs = DIV_ROUND_UP(payload, shinfo->gso_size); + } qdisc_skb_cb(skb)->pkt_len += (gso_segs - 1) * hdr_len; } } diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index e2ab8cdb7134..e4fea3adb065 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -541,10 +541,6 @@ static int inet_set_ifa(struct net_device *dev, struct in_ifaddr *ifa) ASSERT_RTNL(); - if (!in_dev) { - inet_free_ifa(ifa); - return -ENOBUFS; - } ipv4_devconf_setall(in_dev); neigh_parms_data_state_setall(in_dev->arp_parms); if (ifa->ifa_dev != in_dev) { @@ -1113,6 +1109,8 @@ int devinet_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr) if (!ifa) { ret = -ENOBUFS; + if (!in_dev) + break; ifa = inet_alloc_ifa(); if (!ifa) break; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 9aa48b4c4096..322ba1ba2ac3 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1135,7 +1135,7 @@ static void nl_fib_lookup(struct net *net, struct fib_result_nl *frn) struct flowi4 fl4 = { .flowi4_mark = frn->fl_mark, .daddr = frn->fl_addr, - .flowi4_tos = frn->fl_tos, + .flowi4_tos = frn->fl_tos & IPTOS_RT_MASK, .flowi4_scope = frn->fl_scope, }; struct fib_table *tb; diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 2f5d2109c919..ea30393c8c66 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -711,11 +711,11 @@ static netdev_tx_t ipgre_xmit(struct sk_buff *skb, if (skb_cow_head(skb, 0)) goto free_skb; - tnl_params = (const struct iphdr *)skb->data; - - if (!pskb_network_may_pull(skb, pull_len)) + if (!pskb_may_pull(skb, pull_len)) goto free_skb; + tnl_params = (const struct iphdr *)skb->data; + /* ip_tunnel_xmit() needs skb->data pointing to gre header. */ skb_pull(skb, pull_len); skb_reset_mac_header(skb); diff --git a/net/ipv4/netfilter/nf_dup_ipv4.c b/net/ipv4/netfilter/nf_dup_ipv4.c index 39895b9ddeb9..b385c97ddc29 100644 --- a/net/ipv4/netfilter/nf_dup_ipv4.c +++ b/net/ipv4/netfilter/nf_dup_ipv4.c @@ -55,8 +55,9 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, { struct iphdr *iph; + local_bh_disable(); if (this_cpu_read(nf_skb_duplicated)) - return; + goto out; /* * Copy the skb, and route the copy. Will later return %XT_CONTINUE for * the original skb, which should continue on its way as if nothing has @@ -64,7 +65,7 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, */ skb = pskb_copy(skb, GFP_ATOMIC); if (skb == NULL) - return; + goto out; #if IS_ENABLED(CONFIG_NF_CONNTRACK) /* Avoid counting cloned packets towards the original connection. */ @@ -93,6 +94,8 @@ void nf_dup_ipv4(struct net *net, struct sk_buff *skb, unsigned int hooknum, } else { kfree_skb(skb); } +out: + local_bh_enable(); } EXPORT_SYMBOL_GPL(nf_dup_ipv4); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 9254705afa86..0f2320d821ff 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1301,7 +1301,7 @@ static bool tcp_shifted_skb(struct sock *sk, struct sk_buff *prev, */ tcp_sacktag_one(sk, state, TCP_SKB_CB(skb)->sacked, start_seq, end_seq, dup_sack, pcount, - skb->skb_mstamp); + tcp_skb_timestamp_us(skb)); tcp_rate_skb_delivered(sk, skb, state->rate); if (skb == tp->lost_skb_hint) @@ -1590,7 +1590,7 @@ static struct sk_buff *tcp_sacktag_walk(struct sk_buff *skb, struct sock *sk, TCP_SKB_CB(skb)->end_seq, dup_sack, tcp_skb_pcount(skb), - skb->skb_mstamp); + tcp_skb_timestamp_us(skb)); tcp_rate_skb_delivered(sk, skb, state->rate); if (TCP_SKB_CB(skb)->sacked & TCPCB_SACKED_ACKED) list_del_init(&skb->tcp_tsorted_anchor); @@ -2320,6 +2320,16 @@ static bool tcp_any_retrans_done(const struct sock *sk) return false; } +/* If loss recovery is finished and there are no retransmits out in the + * network, then we clear retrans_stamp so that upon the next loss recovery + * retransmits_timed_out() and timestamp-undo are using the correct value. + */ +static void tcp_retrans_stamp_cleanup(struct sock *sk) +{ + if (!tcp_any_retrans_done(sk)) + tcp_sk(sk)->retrans_stamp = 0; +} + static void DBGUNDO(struct sock *sk, const char *msg) { #if FASTRETRANS_DEBUG > 1 @@ -2662,6 +2672,9 @@ void tcp_enter_recovery(struct sock *sk, bool ece_ack) struct tcp_sock *tp = tcp_sk(sk); int mib_idx; + /* Start the clock with our fast retransmit, for undo and ETIMEDOUT. */ + tcp_retrans_stamp_cleanup(sk); + if (tcp_is_reno(tp)) mib_idx = LINUX_MIB_TCPRENORECOVERY; else @@ -3140,7 +3153,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, u32 prior_fack, tp->retrans_out -= acked_pcount; flag |= FLAG_RETRANS_DATA_ACKED; } else if (!(sacked & TCPCB_SACKED_ACKED)) { - last_ackt = skb->skb_mstamp; + last_ackt = tcp_skb_timestamp_us(skb); WARN_ON_ONCE(last_ackt == 0); if (!first_ackt) first_ackt = last_ackt; @@ -3158,7 +3171,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, u32 prior_fack, tp->delivered += acked_pcount; if (!tcp_skb_spurious_retrans(tp, skb)) tcp_rack_advance(tp, sacked, scb->end_seq, - skb->skb_mstamp); + tcp_skb_timestamp_us(skb)); } if (sacked & TCPCB_LOST) tp->lost_out -= acked_pcount; @@ -3253,7 +3266,8 @@ static int tcp_clean_rtx_queue(struct sock *sk, u32 prior_fack, tp->lost_cnt_hint -= min(tp->lost_cnt_hint, delta); } } else if (skb && rtt_update && sack_rtt_us >= 0 && - sack_rtt_us > tcp_stamp_us_delta(tp->tcp_mstamp, skb->skb_mstamp)) { + sack_rtt_us > tcp_stamp_us_delta(tp->tcp_mstamp, + tcp_skb_timestamp_us(skb))) { /* Do not re-arm RTO if the sack RTT is measured from data sent * after when the head was last (re)transmitted. Otherwise the * timeout may continue to extend in loss recovery. diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index aa9aa38471f9..1bf315e83d7b 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -115,6 +115,9 @@ int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp) const struct tcp_timewait_sock *tcptw = tcp_twsk(sktw); struct tcp_sock *tp = tcp_sk(sk); + if (tw->tw_substate == TCP_FIN_WAIT2) + reuse = 0; + if (reuse == 2) { /* Still does not detect *everything* that goes through * lo, since we require a loopback src or dst address @@ -556,7 +559,7 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) icsk->icsk_rto = inet_csk_rto_backoff(icsk, TCP_RTO_MAX); tcp_mstamp_refresh(tp); - delta_us = (u32)(tp->tcp_mstamp - skb->skb_mstamp); + delta_us = (u32)(tp->tcp_mstamp - tcp_skb_timestamp_us(skb)); remaining = icsk->icsk_rto - usecs_to_jiffies(delta_us); diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index fbeb40a481fc..20bce57a19f0 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1993,7 +1993,7 @@ static bool tcp_tso_should_defer(struct sock *sk, struct sk_buff *skb, head = tcp_rtx_queue_head(sk); if (!head) goto send_now; - age = tcp_stamp_us_delta(tp->tcp_mstamp, head->skb_mstamp); + age = tcp_stamp_us_delta(tp->tcp_mstamp, tcp_skb_timestamp_us(head)); /* If next ACK is likely to come too late (half srtt), do not defer */ if (age < (tp->srtt_us >> 4)) goto send_now; diff --git a/net/ipv4/tcp_rate.c b/net/ipv4/tcp_rate.c index 4dff40dad4dc..baed2186c7c6 100644 --- a/net/ipv4/tcp_rate.c +++ b/net/ipv4/tcp_rate.c @@ -55,8 +55,10 @@ void tcp_rate_skb_sent(struct sock *sk, struct sk_buff *skb) * bandwidth estimate. */ if (!tp->packets_out) { - tp->first_tx_mstamp = skb->skb_mstamp; - tp->delivered_mstamp = skb->skb_mstamp; + u64 tstamp_us = tcp_skb_timestamp_us(skb); + + tp->first_tx_mstamp = tstamp_us; + tp->delivered_mstamp = tstamp_us; } TCP_SKB_CB(skb)->tx.first_tx_mstamp = tp->first_tx_mstamp; @@ -88,13 +90,12 @@ void tcp_rate_skb_delivered(struct sock *sk, struct sk_buff *skb, rs->is_app_limited = scb->tx.is_app_limited; rs->is_retrans = scb->sacked & TCPCB_RETRANS; + /* Record send time of most recently ACKed packet: */ + tp->first_tx_mstamp = tcp_skb_timestamp_us(skb); /* Find the duration of the "send phase" of this window: */ - rs->interval_us = tcp_stamp_us_delta( - skb->skb_mstamp, - scb->tx.first_tx_mstamp); + rs->interval_us = tcp_stamp_us_delta(tp->first_tx_mstamp, + scb->tx.first_tx_mstamp); - /* Record send time of most recently ACKed packet: */ - tp->first_tx_mstamp = skb->skb_mstamp; } /* Mark off the skb delivered once it's sacked to avoid being * used again when it's cumulatively acked. For acked packets diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c index 844ff390f726..db3469c95c49 100644 --- a/net/ipv4/tcp_recovery.c +++ b/net/ipv4/tcp_recovery.c @@ -51,7 +51,7 @@ static u32 tcp_rack_reo_wnd(const struct sock *sk) s32 tcp_rack_skb_timeout(struct tcp_sock *tp, struct sk_buff *skb, u32 reo_wnd) { return tp->rack.rtt_us + reo_wnd - - tcp_stamp_us_delta(tp->tcp_mstamp, skb->skb_mstamp); + tcp_stamp_us_delta(tp->tcp_mstamp, tcp_skb_timestamp_us(skb)); } /* RACK loss detection (IETF draft draft-ietf-tcpm-rack-01): @@ -92,7 +92,8 @@ static void tcp_rack_detect_loss(struct sock *sk, u32 *reo_timeout) !(scb->sacked & TCPCB_SACKED_RETRANS)) continue; - if (!tcp_rack_sent_after(tp->rack.mstamp, skb->skb_mstamp, + if (!tcp_rack_sent_after(tp->rack.mstamp, + tcp_skb_timestamp_us(skb), tp->rack.end_seq, scb->end_seq)) break; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 9058d59acd0a..7763b7f672fa 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3679,6 +3679,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) struct inet6_ifaddr *ifa; LIST_HEAD(tmp_addr_list); bool keep_addr = false; + bool was_ready; int state, i; ASSERT_RTNL(); @@ -3744,7 +3745,10 @@ static int addrconf_ifdown(struct net_device *dev, int how) addrconf_del_rs_timer(idev); - /* Step 2: clear flags for stateless addrconf */ + /* Step 2: clear flags for stateless addrconf, repeated down + * detection + */ + was_ready = idev->if_flags & IF_READY; if (!how) idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY); @@ -3824,7 +3828,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) if (how) { ipv6_ac_destroy_dev(idev); ipv6_mc_destroy_dev(idev); - } else { + } else if (was_ready) { ipv6_mc_down(idev); } diff --git a/net/ipv6/netfilter/nf_dup_ipv6.c b/net/ipv6/netfilter/nf_dup_ipv6.c index 4a7ddeddbaab..941e389c227f 100644 --- a/net/ipv6/netfilter/nf_dup_ipv6.c +++ b/net/ipv6/netfilter/nf_dup_ipv6.c @@ -50,11 +50,12 @@ static bool nf_dup_ipv6_route(struct net *net, struct sk_buff *skb, void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum, const struct in6_addr *gw, int oif) { + local_bh_disable(); if (this_cpu_read(nf_skb_duplicated)) - return; + goto out; skb = pskb_copy(skb, GFP_ATOMIC); if (skb == NULL) - return; + goto out; #if IS_ENABLED(CONFIG_NF_CONNTRACK) nf_reset(skb); @@ -72,6 +73,8 @@ void nf_dup_ipv6(struct net *net, struct sk_buff *skb, unsigned int hooknum, } else { kfree_skb(skb); } +out: + local_bh_enable(); } EXPORT_SYMBOL_GPL(nf_dup_ipv6); diff --git a/net/ipv6/netfilter/nf_reject_ipv6.c b/net/ipv6/netfilter/nf_reject_ipv6.c index 24858402e374..0edf9c1192de 100644 --- a/net/ipv6/netfilter/nf_reject_ipv6.c +++ b/net/ipv6/netfilter/nf_reject_ipv6.c @@ -92,33 +92,23 @@ void nf_reject_ip6_tcphdr_put(struct sk_buff *nskb, const struct tcphdr *oth, unsigned int otcplen) { struct tcphdr *tcph; - int needs_ack; skb_reset_transport_header(nskb); - tcph = skb_put(nskb, sizeof(struct tcphdr)); + tcph = skb_put_zero(nskb, sizeof(struct tcphdr)); /* Truncate to length (no data) */ tcph->doff = sizeof(struct tcphdr)/4; tcph->source = oth->dest; tcph->dest = oth->source; if (oth->ack) { - needs_ack = 0; tcph->seq = oth->ack_seq; - tcph->ack_seq = 0; } else { - needs_ack = 1; tcph->ack_seq = htonl(ntohl(oth->seq) + oth->syn + oth->fin + otcplen - (oth->doff<<2)); - tcph->seq = 0; + tcph->ack = 1; } - /* Reset flags */ - ((u_int8_t *)tcph)[13] = 0; tcph->rst = 1; - tcph->ack = needs_ack; - tcph->window = 0; - tcph->urg_ptr = 0; - tcph->check = 0; /* Adjust TCP checksum */ tcph->check = csum_ipv6_magic(&ipv6_hdr(nskb)->saddr, diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index cfbaafcea0a4..1c59b8f90f5c 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2443,7 +2443,8 @@ static int ieee80211_get_tx_power(struct wiphy *wiphy, struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); - if (local->ops->get_txpower) + if (local->ops->get_txpower && + (sdata->flags & IEEE80211_SDATA_IN_DRIVER)) return drv_get_txpower(local, sdata, dbm); if (!local->use_chanctx) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 358028a09ce4..433083cc1533 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -798,6 +798,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, { struct ieee80211_local *local = sdata->local; unsigned long flags; + struct sk_buff_head freeq; struct sk_buff *skb, *tmp; u32 hw_reconf_flags = 0; int i, flushed; @@ -996,18 +997,32 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, skb_queue_purge(&sdata->skb_queue); } + /* + * Since ieee80211_free_txskb() may issue __dev_queue_xmit() + * which should be called with interrupts enabled, reclamation + * is done in two phases: + */ + __skb_queue_head_init(&freeq); + + /* unlink from local queues... */ spin_lock_irqsave(&local->queue_stop_reason_lock, flags); for (i = 0; i < IEEE80211_MAX_QUEUES; i++) { skb_queue_walk_safe(&local->pending[i], skb, tmp) { struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); if (info->control.vif == &sdata->vif) { __skb_unlink(skb, &local->pending[i]); - ieee80211_free_txskb(&local->hw, skb); + __skb_queue_tail(&freeq, skb); } } } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + /* ... and perform actual reclamation with interrupts enabled. */ + skb_queue_walk_safe(&freeq, skb, tmp) { + __skb_unlink(skb, &freeq); + ieee80211_free_txskb(&local->hw, skb); + } + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) ieee80211_txq_remove_vlan(local, sdata); diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 7fc55177db84..bb09a1ec258d 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -777,6 +777,26 @@ void ieee80211_reset_crypto_tx_tailroom(struct ieee80211_sub_if_data *sdata) mutex_unlock(&sdata->local->key_mtx); } +static void +ieee80211_key_iter(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_key *key, + void (*iter)(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key, + void *data), + void *iter_data) +{ + /* skip keys of station in removal process */ + if (key->sta && key->sta->removed) + return; + if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) + return; + iter(hw, vif, key->sta ? &key->sta->sta : NULL, + &key->conf, iter_data); +} + void ieee80211_iter_keys(struct ieee80211_hw *hw, struct ieee80211_vif *vif, void (*iter)(struct ieee80211_hw *hw, @@ -796,16 +816,13 @@ void ieee80211_iter_keys(struct ieee80211_hw *hw, if (vif) { sdata = vif_to_sdata(vif); list_for_each_entry_safe(key, tmp, &sdata->key_list, list) - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); + ieee80211_key_iter(hw, vif, key, iter, iter_data); } else { list_for_each_entry(sdata, &local->interfaces, list) list_for_each_entry_safe(key, tmp, &sdata->key_list, list) - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); + ieee80211_key_iter(hw, &sdata->vif, key, + iter, iter_data); } mutex_unlock(&local->key_mtx); } @@ -823,17 +840,8 @@ _ieee80211_iter_keys_rcu(struct ieee80211_hw *hw, { struct ieee80211_key *key; - list_for_each_entry_rcu(key, &sdata->key_list, list) { - /* skip keys of station in removal process */ - if (key->sta && key->sta->removed) - continue; - if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) - continue; - - iter(hw, &sdata->vif, - key->sta ? &key->sta->sta : NULL, - &key->conf, iter_data); - } + list_for_each_entry_rcu(key, &sdata->key_list, list) + ieee80211_key_iter(hw, &sdata->vif, key, iter, iter_data); } void ieee80211_iter_keys_rcu(struct ieee80211_hw *hw, diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index bcb72ad2c178..4101a3ce2e30 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -359,7 +359,7 @@ static int ctnetlink_dump_secctx(struct sk_buff *skb, const struct nf_conn *ct) #define ctnetlink_dump_secctx(a, b) (0) #endif -#ifdef CONFIG_NF_CONNTRACK_LABELS +#ifdef CONFIG_NF_CONNTRACK_EVENTS static inline int ctnetlink_label_size(const struct nf_conn *ct) { struct nf_conn_labels *labels = nf_ct_labels_find(ct); @@ -368,6 +368,7 @@ static inline int ctnetlink_label_size(const struct nf_conn *ct) return 0; return nla_total_size(sizeof(labels->bits)); } +#endif static int ctnetlink_dump_labels(struct sk_buff *skb, const struct nf_conn *ct) @@ -388,10 +389,6 @@ ctnetlink_dump_labels(struct sk_buff *skb, const struct nf_conn *ct) return 0; } -#else -#define ctnetlink_dump_labels(a, b) (0) -#define ctnetlink_label_size(a) (0) -#endif #define master_tuple(ct) &(ct->master->tuplehash[IP_CT_DIR_ORIGINAL].tuple) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index a033c9baf58a..25b2870dda24 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3339,7 +3339,7 @@ int nf_msecs_to_jiffies64(const struct nlattr *nla, u64 *result) return -ERANGE; ms *= NSEC_PER_MSEC; - *result = nsecs_to_jiffies64(ms); + *result = nsecs_to_jiffies64(ms) ? : !!ms; return 0; } diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index 0ef51c81ec94..128195a7ea5e 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -306,6 +306,9 @@ static void nft_payload_set_eval(const struct nft_expr *expr, if ((priv->csum_type == NFT_PAYLOAD_CSUM_INET || priv->csum_flags) && (priv->base != NFT_PAYLOAD_TRANSPORT_HEADER || skb->ip_summed != CHECKSUM_PARTIAL)) { + if (offset + priv->len > skb->len) + goto err; + fsum = skb_checksum(skb, offset, priv->len, 0); tsum = csum_partial(src, priv->len, 0); diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 1fe9b4a04b22..2e26ecb46707 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -2145,8 +2145,9 @@ void __netlink_clear_multicast_users(struct sock *ksk, unsigned int group) { struct sock *sk; struct netlink_table *tbl = &nl_table[ksk->sk_protocol]; + struct hlist_node *tmp; - sk_for_each_bound(sk, &tbl->mc_list) + sk_for_each_bound_safe(sk, tmp, &tbl->mc_list) netlink_update_socket_mc(nlk_sk(sk), group, 0); } diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index 128d0a48478d..890a8fe51a9a 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -718,7 +718,7 @@ static int qrtr_bcast_enqueue(struct qrtr_node *node, struct sk_buff *skb, mutex_lock(&qrtr_node_lock); list_for_each_entry(node, &qrtr_all_nodes, item) { - skbn = skb_clone(skb, GFP_KERNEL); + skbn = pskb_copy(skb, GFP_KERNEL); if (!skbn) break; skb_set_owner_w(skbn, skb->sk); diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index ab57c0ee9923..49c4e8525788 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -783,7 +783,7 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, unsigned int n, drops = max_t(int, n, 0); rcu_read_lock(); while ((parentid = sch->parent)) { - if (TC_H_MAJ(parentid) == TC_H_MAJ(TC_H_INGRESS)) + if (parentid == TC_H_ROOT) break; if (sch->flags & TCQ_F_NOPARENT) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index c429a1a2bfe2..421b0340b631 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -7845,8 +7845,10 @@ static int sctp_listen_start(struct sock *sk, int backlog) */ inet_sk_set_state(sk, SCTP_SS_LISTENING); if (!ep->base.bind_addr.port) { - if (sctp_autobind(sk)) + if (sctp_autobind(sk)) { + inet_sk_set_state(sk, SCTP_SS_CLOSED); return -EAGAIN; + } } else { if (sctp_get_port(sk, inet_sk(sk)->inet_num)) { inet_sk_set_state(sk, SCTP_SS_CLOSED); diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index c7686ff00f5b..5ceb7d489686 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -158,8 +158,12 @@ static int bearer_name_validate(const char *name, /* return bearer name components, if necessary */ if (name_parts) { - strcpy(name_parts->media_name, media_name); - strcpy(name_parts->if_name, if_name); + if (strscpy(name_parts->media_name, media_name, + TIPC_MAX_MEDIA_NAME) < 0) + return 0; + if (strscpy(name_parts->if_name, if_name, + TIPC_MAX_IF_NAME) < 0) + return 0; } return 1; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index ebd8449f2fcf..f3f01ab1abd3 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -7578,7 +7578,8 @@ nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, return ERR_PTR(-ENOMEM); if (n_ssids) - request->ssids = (void *)&request->channels[n_channels]; + request->ssids = (void *)request + + struct_size(request, channels, n_channels); request->n_ssids = n_ssids; if (ie_len) { if (n_ssids) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 0dc27703443c..4c6c333011e0 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -1414,8 +1414,8 @@ int cfg80211_wext_siwscan(struct net_device *dev, n_channels = ieee80211_get_num_supported_channels(wiphy); } - creq = kzalloc(sizeof(*creq) + sizeof(struct cfg80211_ssid) + - n_channels * sizeof(void *), + creq = kzalloc(struct_size(creq, channels, n_channels) + + sizeof(struct cfg80211_ssid), GFP_ATOMIC); if (!creq) { err = -ENOMEM; @@ -1425,7 +1425,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, creq->wiphy = wiphy; creq->wdev = dev->ieee80211_ptr; /* SSIDs come after channels */ - creq->ssids = (void *)&creq->channels[n_channels]; + creq->ssids = (void *)creq + struct_size(creq, channels, n_channels); creq->n_channels = n_channels; creq->n_ssids = 1; creq->scan_start = jiffies; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index ebc73faa8fb1..4e6afb765e81 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -116,7 +116,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) n_channels = i; } request->n_channels = n_channels; - request->ssids = (void *)&request->channels[n_channels]; + request->ssids = (void *)request + + struct_size(request, channels, n_channels); request->n_ssids = 1; memcpy(request->ssids[0].ssid, wdev->conn->params.ssid, diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 5892ff68d168..8146ef538ab3 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -148,6 +148,7 @@ static int verify_newsa_info(struct xfrm_usersa_info *p, struct nlattr **attrs) { int err; + u16 family = p->sel.family; err = -EINVAL; switch (p->family) { @@ -166,7 +167,10 @@ static int verify_newsa_info(struct xfrm_usersa_info *p, goto out; } - switch (p->sel.family) { + if (!family && !(p->flags & XFRM_STATE_AF_UNSPEC)) + family = p->family; + + switch (family) { case AF_UNSPEC: break; diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh index 67d131447631..6b918882d32c 100755 --- a/scripts/kconfig/merge_config.sh +++ b/scripts/kconfig/merge_config.sh @@ -128,6 +128,8 @@ for MERGE_FILE in $MERGE_LIST ; do fi sed -i "/$CFG[ =]/d" $TMP_FILE done + # In case the previous file lacks a new line at the end + echo >> $TMP_FILE cat $MERGE_FILE >> $TMP_FILE done diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 60b3f16bb5c7..c35aab9f2447 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -536,6 +536,16 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf, ssize_t length; void *data = NULL; + /* no partial writes */ + if (*ppos) + return -EINVAL; + /* no empty policies */ + if (!count) + return -EINVAL; + + if (count > 64 * 1024 * 1024) + return -EFBIG; + mutex_lock(&fsi->mutex); length = avc_has_perm(&selinux_state, @@ -544,23 +554,15 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf, if (length) goto out; - /* No partial writes. */ - length = -EINVAL; - if (*ppos != 0) - goto out; - - length = -EFBIG; - if (count > 64 * 1024 * 1024) - goto out; - - length = -ENOMEM; data = vmalloc(count); - if (!data) + if (!data) { + length = -ENOMEM; goto out; - - length = -EFAULT; - if (copy_from_user(data, buf, count) != 0) + } + if (copy_from_user(data, buf, count) != 0) { + length = -EFAULT; goto out; + } length = security_load_policy(fsi->state, data, count); if (length) { @@ -579,6 +581,7 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf, "auid=%u ses=%u lsm=selinux res=1", from_kuid(&init_user_ns, audit_get_loginuid(current)), audit_get_sessionid(current)); + out: mutex_unlock(&fsi->mutex); vfree(data); diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 61e734baa332..83dbfa26a651 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -948,7 +948,7 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf, rc = smk_netlbl_mls(maplevel, mapcatset, &ncats, SMK_CIPSOLEN); if (rc >= 0) { old_cat = skp->smk_netlabel.attr.mls.cat; - skp->smk_netlabel.attr.mls.cat = ncats.attr.mls.cat; + rcu_assign_pointer(skp->smk_netlabel.attr.mls.cat, ncats.attr.mls.cat); skp->smk_netlabel.attr.mls.lvl = ncats.attr.mls.lvl; synchronize_rcu(); netlbl_catmap_free(old_cat); diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c index f6758dad981f..0271b40b4bb6 100644 --- a/security/tomoyo/domain.c +++ b/security/tomoyo/domain.c @@ -701,10 +701,13 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm) ee->r.obj = &ee->obj; ee->obj.path1 = bprm->file->f_path; /* Get symlink's pathname of program. */ - retval = -ENOENT; exename.name = tomoyo_realpath_nofollow(original_name); - if (!exename.name) - goto out; + if (!exename.name) { + /* Fallback to realpath if symlink's pathname does not exist. */ + exename.name = tomoyo_realpath_from_path(&bprm->file->f_path); + if (!exename.name) + goto out; + } tomoyo_fill_path_info(&exename); retry: /* Check 'aggregator' directive. */ diff --git a/sound/core/init.c b/sound/core/init.c index 3eafa15006f8..ed093184ea16 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -548,13 +548,19 @@ int snd_card_free(struct snd_card *card) } EXPORT_SYMBOL(snd_card_free); +/* check, if the character is in the valid ASCII range */ +static inline bool safe_ascii_char(char c) +{ + return isascii(c) && isalnum(c); +} + /* retrieve the last word of shortname or longname */ static const char *retrieve_id_from_card_name(const char *name) { const char *spos = name; while (*name) { - if (isspace(*name) && isalnum(name[1])) + if (isspace(*name) && safe_ascii_char(name[1])) spos = name + 1; name++; } @@ -581,12 +587,12 @@ static void copy_valid_id_string(struct snd_card *card, const char *src, { char *id = card->id; - while (*nid && !isalnum(*nid)) + while (*nid && !safe_ascii_char(*nid)) nid++; if (isdigit(*nid)) *id++ = isalpha(*src) ? *src : 'D'; while (*nid && (size_t)(id - card->id) < sizeof(card->id) - 1) { - if (isalnum(*nid)) + if (safe_ascii_char(*nid)) *id++ = *nid; nid++; } @@ -684,7 +690,7 @@ card_id_store_attr(struct device *dev, struct device_attribute *attr, for (idx = 0; idx < copy; idx++) { c = buf[idx]; - if (!isalnum(c) && c != '_' && c != '-') + if (!safe_ascii_char(c) && c != '_' && c != '-') return -EINVAL; } memcpy(buf1, buf, copy); diff --git a/sound/pci/asihpi/hpimsgx.c b/sound/pci/asihpi/hpimsgx.c index 736f45337fc7..5be1d910a5d5 100644 --- a/sound/pci/asihpi/hpimsgx.c +++ b/sound/pci/asihpi/hpimsgx.c @@ -724,7 +724,7 @@ static u16 HPIMSGX__init(struct hpi_message *phm, phr->error = HPI_ERROR_PROCESSING_MESSAGE; return phr->error; } - if (hr.error == 0) { + if (hr.error == 0 && hr.u.s.adapter_index < HPI_MAX_ADAPTERS) { /* the adapter was created successfully save the mapping for future use */ hpi_entry_points[hr.u.s.adapter_index] = entry_point_func; diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index f4b07dc6f1cc..e48dca4d6e43 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -1383,7 +1383,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, struct nid_path *path; hda_nid_t pin = pins[i]; - if (!spec->obey_preferred_dacs) { + if (!spec->preferred_dacs) { path = snd_hda_get_path_from_idx(codec, path_idx[i]); if (path) { badness += assign_out_path_ctls(codec, path); @@ -1395,7 +1395,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs, if (dacs[i]) { if (is_dac_already_used(codec, dacs[i])) badness += bad->shared_primary; - } else if (spec->obey_preferred_dacs) { + } else if (spec->preferred_dacs) { badness += BAD_NO_PRIMARY_DAC; } diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 1d95977b4a91..ad658f698257 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -730,6 +730,23 @@ static const struct hda_pintbl cxt_pincfg_sws_js201d[] = { {} }; +/* pincfg quirk for Tuxedo Sirius; + * unfortunately the (PCI) SSID conflicts with System76 Pangolin pang14, + * which has incompatible pin setup, so we check the codec SSID (luckily + * different one!) and conditionally apply the quirk here + */ +static void cxt_fixup_sirius_top_speaker(struct hda_codec *codec, + const struct hda_fixup *fix, + int action) +{ + /* ignore for incorrectly picked-up pang14 */ + if (codec->core.subsystem_id == 0x278212b3) + return; + /* set up the top speaker pin */ + if (action == HDA_FIXUP_ACT_PRE_PROBE) + snd_hda_codec_set_pincfg(codec, 0x1d, 0x82170111); +} + static const struct hda_fixup cxt_fixups[] = { [CXT_PINCFG_LENOVO_X200] = { .type = HDA_FIXUP_PINS, @@ -886,11 +903,8 @@ static const struct hda_fixup cxt_fixups[] = { .v.pins = cxt_pincfg_sws_js201d, }, [CXT_PINCFG_TOP_SPEAKER] = { - .type = HDA_FIXUP_PINS, - .v.pins = (const struct hda_pintbl[]) { - { 0x1d, 0x82170111 }, - { } - }, + .type = HDA_FIXUP_FUNC, + .v.func = cxt_fixup_sirius_top_speaker, }, }; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 60dfaf2adaaf..f33d09d939e1 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -3537,20 +3537,18 @@ static void alc_default_init(struct hda_codec *codec) hp_pin_sense = snd_hda_jack_detect(codec, hp_pin); - if (hp_pin_sense) + if (hp_pin_sense) { msleep(2); - snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - - if (hp_pin_sense) - msleep(85); + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); - snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); + msleep(75); - if (hp_pin_sense) - msleep(100); + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); + msleep(75); + } } static void alc_default_shutup(struct hda_codec *codec) @@ -3566,22 +3564,20 @@ static void alc_default_shutup(struct hda_codec *codec) hp_pin_sense = snd_hda_jack_detect(codec, hp_pin); - if (hp_pin_sense) + if (hp_pin_sense) { msleep(2); - snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - - if (hp_pin_sense) - msleep(85); - - if (!spec->no_shutup_pins) snd_hda_codec_write(codec, hp_pin, 0, - AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); + AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_MUTE); - if (hp_pin_sense) - msleep(100); + msleep(75); + if (!spec->no_shutup_pins) + snd_hda_codec_write(codec, hp_pin, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, 0x0); + + msleep(75); + } alc_auto_setup_eapd(codec, false); alc_shutup_pins(codec); } diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index a0797fc17d95..b2e38524b1fe 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -1322,8 +1322,10 @@ static int snd_hdsp_midi_output_possible (struct hdsp *hdsp, int id) static void snd_hdsp_flush_midi_input (struct hdsp *hdsp, int id) { - while (snd_hdsp_midi_input_available (hdsp, id)) - snd_hdsp_midi_read_byte (hdsp, id); + int count = 256; + + while (snd_hdsp_midi_input_available(hdsp, id) && --count) + snd_hdsp_midi_read_byte(hdsp, id); } static int snd_hdsp_midi_output_write (struct hdsp_midi *hmidi) diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 5dfddade1bae..cc8313913d64 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -1846,8 +1846,10 @@ static inline int snd_hdspm_midi_output_possible (struct hdspm *hdspm, int id) static void snd_hdspm_flush_midi_input(struct hdspm *hdspm, int id) { - while (snd_hdspm_midi_input_available (hdspm, id)) - snd_hdspm_midi_read_byte (hdspm, id); + int count = 256; + + while (snd_hdspm_midi_input_available(hdspm, id) && --count) + snd_hdspm_midi_read_byte(hdspm, id); } static int snd_hdspm_midi_output_write (struct hdspm_midi *hmidi) diff --git a/sound/soc/au1x/db1200.c b/sound/soc/au1x/db1200.c index 301e1fc9a377..24d16e6bf750 100644 --- a/sound/soc/au1x/db1200.c +++ b/sound/soc/au1x/db1200.c @@ -43,6 +43,7 @@ static const struct platform_device_id db1200_pids[] = { }, {}, }; +MODULE_DEVICE_TABLE(platform, db1200_pids); /*------------------------- AC97 PART ---------------------------*/ diff --git a/sound/soc/codecs/tda7419.c b/sound/soc/codecs/tda7419.c index 7f3b79c5a563..a3fc9b7fefd8 100644 --- a/sound/soc/codecs/tda7419.c +++ b/sound/soc/codecs/tda7419.c @@ -637,6 +637,7 @@ static const struct of_device_id tda7419_of_match[] = { { .compatible = "st,tda7419" }, { }, }; +MODULE_DEVICE_TABLE(of, tda7419_of_match); static struct i2c_driver tda7419_driver = { .driver = { diff --git a/tools/iio/iio_generic_buffer.c b/tools/iio/iio_generic_buffer.c index ca9f33fa51c9..e8cf3dc8de72 100644 --- a/tools/iio/iio_generic_buffer.c +++ b/tools/iio/iio_generic_buffer.c @@ -483,6 +483,10 @@ int main(int argc, char **argv) return -ENOMEM; } trigger_name = malloc(IIO_MAX_NAME_LENGTH); + if (!trigger_name) { + ret = -ENOMEM; + goto error; + } ret = read_sysfs_string("name", trig_dev_name, trigger_name); free(trig_dev_name); if (ret < 0) { diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 4562e3b2f4d3..cf8dc3910ef2 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2553,9 +2553,12 @@ static int timehist_sched_change_event(struct perf_tool *tool, * - previous sched event is out of window - we are done * - sample time is beyond window user cares about - reset it * to close out stats for time window interest + * - If tprev is 0, that is, sched_in event for current task is + * not recorded, cannot determine whether sched_in event is + * within time window interest - ignore it */ if (ptime->end) { - if (tprev > ptime->end) + if (!tprev || tprev > ptime->end) goto out; if (t > ptime->end) @@ -2994,7 +2997,8 @@ static int perf_sched__timehist(struct perf_sched *sched) if (perf_time__parse_str(&sched->ptime, sched->time_str) != 0) { pr_err("Invalid time string\n"); - return -EINVAL; + err = -EINVAL; + goto out; } if (timehist_check_attr(sched, evlist) != 0) diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c index 6193b46050a5..540a71450de5 100644 --- a/tools/perf/util/time-utils.c +++ b/tools/perf/util/time-utils.c @@ -17,7 +17,7 @@ int parse_nsec_time(const char *str, u64 *ptime) u64 time_sec, time_nsec; char *end; - time_sec = strtoul(str, &end, 10); + time_sec = strtoull(str, &end, 10); if (*end != '.' && *end != '\0') return -1; @@ -35,7 +35,7 @@ int parse_nsec_time(const char *str, u64 *ptime) for (i = strlen(nsec_buf); i < 9; i++) nsec_buf[i] = '0'; - time_nsec = strtoul(nsec_buf, &end, 10); + time_nsec = strtoull(nsec_buf, &end, 10); if (*end != '\0') return -1; } else diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl index a29d9e125b00..fe73902a197c 100755 --- a/tools/testing/ktest/ktest.pl +++ b/tools/testing/ktest/ktest.pl @@ -1969,7 +1969,7 @@ sub get_grub_index { } elsif ($reboot_type eq "grub2") { $command = "cat $grub_file"; $target = '^\s*menuentry.*' . $grub_menu_qt; - $skip = '^\s*menuentry'; + $skip = '^\s*menuentry\s'; $submenu = '^\s*submenu\s'; } elsif ($reboot_type eq "grub2bls") { $command = $grub_bls_get; diff --git a/tools/testing/selftests/bpf/test_lru_map.c b/tools/testing/selftests/bpf/test_lru_map.c index 781c7de343be..a9ed4b58c087 100644 --- a/tools/testing/selftests/bpf/test_lru_map.c +++ b/tools/testing/selftests/bpf/test_lru_map.c @@ -76,7 +76,8 @@ static int sched_next_online(int pid, int *next_to_try) while (next < nr_cpus) { CPU_ZERO(&cpuset); - CPU_SET(next++, &cpuset); + CPU_SET(next, &cpuset); + next++; if (!sched_setaffinity(pid, sizeof(cpuset), &cpuset)) { ret = 0; break; diff --git a/tools/testing/selftests/breakpoints/step_after_suspend_test.c b/tools/testing/selftests/breakpoints/step_after_suspend_test.c index f82dcc1f8841..67a2aaf1f9d9 100644 --- a/tools/testing/selftests/breakpoints/step_after_suspend_test.c +++ b/tools/testing/selftests/breakpoints/step_after_suspend_test.c @@ -161,7 +161,10 @@ void suspend(void) if (err < 0) ksft_exit_fail_msg("timerfd_settime() failed\n"); - if (write(power_state_fd, "mem", strlen("mem")) != strlen("mem")) + system("(echo mem > /sys/power/state) 2> /dev/null"); + + timerfd_gettime(timerfd, &spec); + if (spec.it_value.tv_sec != 0 || spec.it_value.tv_nsec != 0) ksft_exit_fail_msg("Failed to enter Suspend state\n"); close(timerfd); diff --git a/tools/testing/selftests/kcmp/kcmp_test.c b/tools/testing/selftests/kcmp/kcmp_test.c index d7a8e321bb16..60305f858c48 100644 --- a/tools/testing/selftests/kcmp/kcmp_test.c +++ b/tools/testing/selftests/kcmp/kcmp_test.c @@ -89,7 +89,6 @@ int main(int argc, char **argv) int ret; ksft_print_header(); - ksft_set_plan(3); fd2 = open(kpath, O_RDWR); if (fd2 < 0) { diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c index 9ef3ad3789c1..540f9a284e9f 100644 --- a/tools/testing/selftests/vDSO/parse_vdso.c +++ b/tools/testing/selftests/vDSO/parse_vdso.c @@ -238,7 +238,8 @@ void *vdso_sym(const char *version, const char *name) ELF(Sym) *sym = &vdso_info.symtab[chain]; /* Check for a defined global or weak function w/ right name. */ - if (ELF64_ST_TYPE(sym->st_info) != STT_FUNC) + if (ELF64_ST_TYPE(sym->st_info) != STT_FUNC && + ELF64_ST_TYPE(sym->st_info) != STT_NOTYPE) continue; if (ELF64_ST_BIND(sym->st_info) != STB_GLOBAL && ELF64_ST_BIND(sym->st_info) != STB_WEAK) diff --git a/tools/testing/selftests/vm/compaction_test.c b/tools/testing/selftests/vm/compaction_test.c index e056cfc487e0..e7044fa7f0b7 100644 --- a/tools/testing/selftests/vm/compaction_test.c +++ b/tools/testing/selftests/vm/compaction_test.c @@ -183,8 +183,6 @@ int main(int argc, char **argv) if (prereq() != 0) return ksft_exit_pass(); - ksft_set_plan(1); - lim.rlim_cur = RLIM_INFINITY; lim.rlim_max = RLIM_INFINITY; if (setrlimit(RLIMIT_MEMLOCK, &lim)) diff --git a/tools/usb/usbip/src/usbip_detach.c b/tools/usb/usbip/src/usbip_detach.c index 777f7286a0c5..744a95d49d65 100644 --- a/tools/usb/usbip/src/usbip_detach.c +++ b/tools/usb/usbip/src/usbip_detach.c @@ -80,6 +80,7 @@ static int detach_port(char *port) } if (!found) { + ret = -1; err("Invalid port %s > maxports %d", port, vhci_driver->nports); goto call_driver_close; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 6f9c0060a3e5..92a998a57772 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2586,12 +2586,13 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) { struct kvm *kvm = me->kvm; struct kvm_vcpu *vcpu; - int last_boosted_vcpu = me->kvm->last_boosted_vcpu; + int last_boosted_vcpu; int yielded = 0; int try = 3; int pass; int i; + last_boosted_vcpu = READ_ONCE(kvm->last_boosted_vcpu); kvm_vcpu_set_in_spin_loop(me, true); /* * We boost the priority of a VCPU that is runnable but not @@ -2620,7 +2621,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode) yielded = kvm_vcpu_yield_to(vcpu); if (yielded > 0) { - kvm->last_boosted_vcpu = i; + WRITE_ONCE(kvm->last_boosted_vcpu, i); break; } else if (yielded < 0) { try--;