diff --git a/Makefile b/Makefile index 5f2736bb4877..78dde51d9d74 100644 --- a/Makefile +++ b/Makefile @@ -1,6 +1,6 @@ VERSION = 4 PATCHLEVEL = 9 -SUBLEVEL = 71 +SUBLEVEL = 72 EXTRAVERSION = NAME = Roaring Lionus diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts index 975c36e332a2..8e6b3938bef9 100644 --- a/arch/arm/boot/dts/am335x-evmsk.dts +++ b/arch/arm/boot/dts/am335x-evmsk.dts @@ -668,6 +668,7 @@ ti,non-removable; bus-width = <4>; cap-power-off-card; + keep-power-in-suspend; pinctrl-names = "default"; pinctrl-0 = <&mmc2_pins>; diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi index 064d84f87e45..ce54a70b7695 100644 --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -282,6 +282,7 @@ device_type = "pci"; ranges = <0x81000000 0 0 0x03000 0 0x00010000 0x82000000 0 0x20013000 0x13000 0 0xffed000>; + bus-range = <0x00 0xff>; #interrupt-cells = <1>; num-lanes = <1>; linux,pci-domain = <0>; @@ -318,6 +319,7 @@ device_type = "pci"; ranges = <0x81000000 0 0 0x03000 0 0x00010000 0x82000000 0 0x30013000 0x13000 0 0xffed000>; + bus-range = <0x00 0xff>; #interrupt-cells = <1>; num-lanes = <1>; linux,pci-domain = <1>; diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index ab7710002ba6..00e9e79b6cb8 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -930,13 +930,31 @@ static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_add __arm_dma_free(dev, size, cpu_addr, handle, attrs, true); } +/* + * The whole dma_get_sgtable() idea is fundamentally unsafe - it seems + * that the intention is to allow exporting memory allocated via the + * coherent DMA APIs through the dma_buf API, which only accepts a + * scattertable. This presents a couple of problems: + * 1. Not all memory allocated via the coherent DMA APIs is backed by + * a struct page + * 2. Passing coherent DMA memory into the streaming APIs is not allowed + * as we will try to flush the memory through a different alias to that + * actually being used (and the flushes are redundant.) + */ int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t handle, size_t size, unsigned long attrs) { - struct page *page = pfn_to_page(dma_to_pfn(dev, handle)); + unsigned long pfn = dma_to_pfn(dev, handle); + struct page *page; int ret; + /* If the PFN is not valid, we do not have a struct page */ + if (!pfn_valid(pfn)) + return -ENXIO; + + page = pfn_to_page(pfn); + ret = sg_alloc_table(sgt, 1, GFP_KERNEL); if (unlikely(ret)) return ret; diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c index a4ec240ee7ba..3eb018fa1a1f 100644 --- a/arch/arm/probes/kprobes/core.c +++ b/arch/arm/probes/kprobes/core.c @@ -433,6 +433,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) struct hlist_node *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline; + kprobe_opcode_t *correct_ret_addr = NULL; INIT_HLIST_HEAD(&empty_rp); kretprobe_hash_lock(current, &head, &flags); @@ -455,14 +456,34 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) /* another task is sharing our hash bucket */ continue; + orig_ret_address = (unsigned long)ri->ret_addr; + + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + kretprobe_assert(ri, orig_ret_address, trampoline_address); + + correct_ret_addr = ri->ret_addr; + hlist_for_each_entry_safe(ri, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + + orig_ret_address = (unsigned long)ri->ret_addr; if (ri->rp && ri->rp->handler) { __this_cpu_write(current_kprobe, &ri->rp->kp); get_kprobe_ctlblk()->kprobe_status = KPROBE_HIT_ACTIVE; + ri->ret_addr = correct_ret_addr; ri->rp->handler(ri, regs); __this_cpu_write(current_kprobe, NULL); } - orig_ret_address = (unsigned long)ri->ret_addr; recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) @@ -474,7 +495,6 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) break; } - kretprobe_assert(ri, orig_ret_address, trampoline_address); kretprobe_hash_unlock(current, &flags); hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) { diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c index 9775de22e2ff..a48354de1aa1 100644 --- a/arch/arm/probes/kprobes/test-core.c +++ b/arch/arm/probes/kprobes/test-core.c @@ -976,7 +976,10 @@ static void coverage_end(void) void __naked __kprobes_test_case_start(void) { __asm__ __volatile__ ( - "stmdb sp!, {r4-r11} \n\t" + "mov r2, sp \n\t" + "bic r3, r2, #7 \n\t" + "mov sp, r3 \n\t" + "stmdb sp!, {r2-r11} \n\t" "sub sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" "bic r0, lr, #1 @ r0 = inline data \n\t" "mov r1, sp \n\t" @@ -996,7 +999,8 @@ void __naked __kprobes_test_case_end_32(void) "movne pc, r0 \n\t" "mov r0, r4 \n\t" "add sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" - "ldmia sp!, {r4-r11} \n\t" + "ldmia sp!, {r2-r11} \n\t" + "mov sp, r2 \n\t" "mov pc, r0 \n\t" ); } @@ -1012,7 +1016,8 @@ void __naked __kprobes_test_case_end_16(void) "bxne r0 \n\t" "mov r0, r4 \n\t" "add sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" - "ldmia sp!, {r4-r11} \n\t" + "ldmia sp!, {r2-r11} \n\t" + "mov sp, r2 \n\t" "bx r0 \n\t" ); } diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index 380ebe705093..9b8b477c363d 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -296,6 +296,7 @@ void __init arm64_memblock_init(void) arm64_dma_phys_limit = max_zone_dma_phys(); else arm64_dma_phys_limit = PHYS_MASK + 1; + high_memory = __va(memblock_end_of_DRAM() - 1) + 1; dma_contiguous_reserve(arm64_dma_phys_limit); memblock_allow_resize(); @@ -322,7 +323,6 @@ void __init bootmem_init(void) sparse_init(); zone_sizes_init(min, max); - high_memory = __va((max << PAGE_SHIFT) - 1) + 1; memblock_dump_all(); } diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c index 9ade60ca08e0..7f2519cfb5d2 100644 --- a/arch/mips/math-emu/cp1emu.c +++ b/arch/mips/math-emu/cp1emu.c @@ -1781,7 +1781,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(fs, MIPSInst_FS(ir)); SPFROMREG(fd, MIPSInst_FD(ir)); rv.s = ieee754sp_maddf(fd, fs, ft); - break; + goto copcsr; } case fmsubf_op: { @@ -1794,7 +1794,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(fs, MIPSInst_FS(ir)); SPFROMREG(fd, MIPSInst_FD(ir)); rv.s = ieee754sp_msubf(fd, fs, ft); - break; + goto copcsr; } case frint_op: { @@ -1818,7 +1818,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(fs, MIPSInst_FS(ir)); rv.w = ieee754sp_2008class(fs); rfmt = w_fmt; - break; + goto copcsr; } case fmin_op: { @@ -1830,7 +1830,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(ft, MIPSInst_FT(ir)); SPFROMREG(fs, MIPSInst_FS(ir)); rv.s = ieee754sp_fmin(fs, ft); - break; + goto copcsr; } case fmina_op: { @@ -1842,7 +1842,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(ft, MIPSInst_FT(ir)); SPFROMREG(fs, MIPSInst_FS(ir)); rv.s = ieee754sp_fmina(fs, ft); - break; + goto copcsr; } case fmax_op: { @@ -1854,7 +1854,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(ft, MIPSInst_FT(ir)); SPFROMREG(fs, MIPSInst_FS(ir)); rv.s = ieee754sp_fmax(fs, ft); - break; + goto copcsr; } case fmaxa_op: { @@ -1866,7 +1866,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, SPFROMREG(ft, MIPSInst_FT(ir)); SPFROMREG(fs, MIPSInst_FS(ir)); rv.s = ieee754sp_fmaxa(fs, ft); - break; + goto copcsr; } case fabs_op: @@ -2110,7 +2110,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, DPFROMREG(fs, MIPSInst_FS(ir)); DPFROMREG(fd, MIPSInst_FD(ir)); rv.d = ieee754dp_maddf(fd, fs, ft); - break; + goto copcsr; } case fmsubf_op: { @@ -2123,7 +2123,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, DPFROMREG(fs, MIPSInst_FS(ir)); DPFROMREG(fd, MIPSInst_FD(ir)); rv.d = ieee754dp_msubf(fd, fs, ft); - break; + goto copcsr; } case frint_op: { @@ -2147,7 +2147,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, DPFROMREG(fs, MIPSInst_FS(ir)); rv.w = ieee754dp_2008class(fs); rfmt = w_fmt; - break; + goto copcsr; } case fmin_op: { @@ -2159,7 +2159,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, DPFROMREG(ft, MIPSInst_FT(ir)); DPFROMREG(fs, MIPSInst_FS(ir)); rv.d = ieee754dp_fmin(fs, ft); - break; + goto copcsr; } case fmina_op: { @@ -2171,7 +2171,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, DPFROMREG(ft, MIPSInst_FT(ir)); DPFROMREG(fs, MIPSInst_FS(ir)); rv.d = ieee754dp_fmina(fs, ft); - break; + goto copcsr; } case fmax_op: { @@ -2183,7 +2183,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, DPFROMREG(ft, MIPSInst_FT(ir)); DPFROMREG(fs, MIPSInst_FS(ir)); rv.d = ieee754dp_fmax(fs, ft); - break; + goto copcsr; } case fmaxa_op: { @@ -2195,7 +2195,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx, DPFROMREG(ft, MIPSInst_FT(ir)); DPFROMREG(fs, MIPSInst_FS(ir)); rv.d = ieee754dp_fmaxa(fs, ft); - break; + goto copcsr; } case fabs_op: diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index c7f2a5295b3a..83a73cf5116a 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -54,6 +54,7 @@ enum mbus_module srmmu_modtype; static unsigned int hwbug_bitmask; int vac_cache_size; +EXPORT_SYMBOL(vac_cache_size); int vac_line_size; extern struct resource sparc_iomap; diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index d29c745f10ad..0a324e120942 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -5052,13 +5052,13 @@ int kvm_mmu_module_init(void) { pte_list_desc_cache = kmem_cache_create("pte_list_desc", sizeof(struct pte_list_desc), - 0, 0, NULL); + 0, SLAB_ACCOUNT, NULL); if (!pte_list_desc_cache) goto nomem; mmu_page_header_cache = kmem_cache_create("kvm_mmu_page_header", sizeof(struct kvm_mmu_page), - 0, 0, NULL); + 0, SLAB_ACCOUNT, NULL); if (!mmu_page_header_cache) goto nomem; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 23f1a6bd7a0d..8148d8ca7930 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1382,6 +1382,9 @@ static void avic_vm_destroy(struct kvm *kvm) unsigned long flags; struct kvm_arch *vm_data = &kvm->arch; + if (!avic) + return; + avic_free_vm_id(vm_data->avic_vm_id); if (vm_data->avic_logical_id_table_page) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index a929ca03b7ed..263e56059fd5 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1199,6 +1199,11 @@ static inline bool cpu_has_vmx_invvpid_global(void) return vmx_capability.vpid & VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT; } +static inline bool cpu_has_vmx_invvpid(void) +{ + return vmx_capability.vpid & VMX_VPID_INVVPID_BIT; +} + static inline bool cpu_has_vmx_ept(void) { return vmcs_config.cpu_based_2nd_exec_ctrl & @@ -3816,6 +3821,12 @@ static void vmx_flush_tlb(struct kvm_vcpu *vcpu) __vmx_flush_tlb(vcpu, to_vmx(vcpu)->vpid); } +static void vmx_flush_tlb_ept_only(struct kvm_vcpu *vcpu) +{ + if (enable_ept) + vmx_flush_tlb(vcpu); +} + static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu) { ulong cr0_guest_owned_bits = vcpu->arch.cr0_guest_owned_bits; @@ -6428,8 +6439,10 @@ static __init int hardware_setup(void) if (boot_cpu_has(X86_FEATURE_NX)) kvm_enable_efer_bits(EFER_NX); - if (!cpu_has_vmx_vpid()) + if (!cpu_has_vmx_vpid() || !cpu_has_vmx_invvpid() || + !(cpu_has_vmx_invvpid_single() || cpu_has_vmx_invvpid_global())) enable_vpid = 0; + if (!cpu_has_vmx_shadow_vmcs()) enable_shadow_vmcs = 0; if (enable_shadow_vmcs) @@ -8494,6 +8507,7 @@ static void vmx_set_virtual_x2apic_mode(struct kvm_vcpu *vcpu, bool set) } else { sec_exec_control &= ~SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE; sec_exec_control |= SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES; + vmx_flush_tlb_ept_only(vcpu); } vmcs_write32(SECONDARY_VM_EXEC_CONTROL, sec_exec_control); @@ -8519,8 +8533,10 @@ static void vmx_set_apic_access_page_addr(struct kvm_vcpu *vcpu, hpa_t hpa) */ if (!is_guest_mode(vcpu) || !nested_cpu_has2(get_vmcs12(&vmx->vcpu), - SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) + SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { vmcs_write64(APIC_ACCESS_ADDR, hpa); + vmx_flush_tlb_ept_only(vcpu); + } } static void vmx_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr) @@ -10093,6 +10109,9 @@ static void prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12) if (nested_cpu_has_ept(vmcs12)) { kvm_mmu_unload(vcpu); nested_ept_init_mmu_context(vcpu); + } else if (nested_cpu_has2(vmcs12, + SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { + vmx_flush_tlb_ept_only(vcpu); } if (vmcs12->vm_entry_controls & VM_ENTRY_LOAD_IA32_EFER) @@ -10833,6 +10852,10 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason, vmx->nested.change_vmcs01_virtual_x2apic_mode = false; vmx_set_virtual_x2apic_mode(vcpu, vcpu->arch.apic_base & X2APIC_ENABLE); + } else if (!nested_cpu_has_ept(vmcs12) && + nested_cpu_has2(vmcs12, + SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { + vmx_flush_tlb_ept_only(vcpu); } /* This is needed for same reason as it was needed in prepare_vmcs02 */ diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 26b580ad268f..f4d893713d54 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8443,11 +8443,11 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, { struct x86_exception fault; - trace_kvm_async_pf_ready(work->arch.token, work->gva); if (work->wakeup_all) work->arch.token = ~0; /* broadcast wakeup */ else kvm_del_async_pf_gfn(vcpu, work->arch.gfn); + trace_kvm_async_pf_ready(work->arch.token, work->gva); if ((vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED) && !apf_put_user(vcpu, KVM_PV_REASON_PAGE_READY)) { diff --git a/drivers/base/power/opp/core.c b/drivers/base/power/opp/core.c index 6441dfda489f..a7c5b79371a7 100644 --- a/drivers/base/power/opp/core.c +++ b/drivers/base/power/opp/core.c @@ -331,7 +331,7 @@ int dev_pm_opp_get_opp_count(struct device *dev) opp_table = _find_opp_table(dev); if (IS_ERR(opp_table)) { count = PTR_ERR(opp_table); - dev_err(dev, "%s: OPP table not found (%d)\n", + dev_dbg(dev, "%s: OPP table not found (%d)\n", __func__, count); goto out_unlock; } diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 98b767d3171e..7d506cb73e54 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -654,7 +654,10 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, return nbd_size_set(nbd, bdev, nbd->blksize, arg); case NBD_SET_TIMEOUT: - nbd->tag_set.timeout = arg * HZ; + if (arg) { + nbd->tag_set.timeout = arg * HZ; + blk_queue_rq_timeout(nbd->disk->queue, arg * HZ); + } return 0; case NBD_SET_FLAGS: diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 3ae950c82922..693028659ccc 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -1059,10 +1059,6 @@ static int btusb_open(struct hci_dev *hdev) } data->intf->needs_remote_wakeup = 1; - /* device specific wakeup source enabled and required for USB - * remote wakeup while host is suspended - */ - device_wakeup_enable(&data->udev->dev); if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) goto done; @@ -1126,7 +1122,6 @@ static int btusb_close(struct hci_dev *hdev) goto failed; data->intf->needs_remote_wakeup = 0; - device_wakeup_disable(&data->udev->dev); usb_autopm_put_interface(data->intf); failed: diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c index df97e25aec76..9fe0939c1273 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -608,7 +608,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", lcd_ch1_parents, 0x150, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT); -static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M", 0x150, BIT(30), 0); +static SUNXI_CCU_GATE(hdmi_ddc_clk, "ddc", "osc24M", 0x150, BIT(30), 0); static SUNXI_CCU_GATE(ps_clk, "ps", "lcd1-ch1", 0x140, BIT(31), 0); diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 530f255a898b..35e34c0e0429 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -918,11 +918,19 @@ static struct kobj_type ktype_cpufreq = { .release = cpufreq_sysfs_release, }; -static int add_cpu_dev_symlink(struct cpufreq_policy *policy, - struct device *dev) +static void add_cpu_dev_symlink(struct cpufreq_policy *policy, unsigned int cpu) { + struct device *dev = get_cpu_device(cpu); + + if (!dev) + return; + + if (cpumask_test_and_set_cpu(cpu, policy->real_cpus)) + return; + dev_dbg(dev, "%s: Adding symlink\n", __func__); - return sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq"); + if (sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq")) + dev_err(dev, "cpufreq symlink creation failed\n"); } static void remove_cpu_dev_symlink(struct cpufreq_policy *policy, @@ -1184,10 +1192,10 @@ static int cpufreq_online(unsigned int cpu) policy->user_policy.min = policy->min; policy->user_policy.max = policy->max; - write_lock_irqsave(&cpufreq_driver_lock, flags); - for_each_cpu(j, policy->related_cpus) + for_each_cpu(j, policy->related_cpus) { per_cpu(cpufreq_cpu_data, j) = policy; - write_unlock_irqrestore(&cpufreq_driver_lock, flags); + add_cpu_dev_symlink(policy, j); + } } else { policy->min = policy->user_policy.min; policy->max = policy->user_policy.max; @@ -1284,13 +1292,15 @@ static int cpufreq_online(unsigned int cpu) if (cpufreq_driver->exit) cpufreq_driver->exit(policy); + + for_each_cpu(j, policy->real_cpus) + remove_cpu_dev_symlink(policy, get_cpu_device(j)); + out_free_policy: cpufreq_policy_free(policy, !new_policy); return ret; } -static int cpufreq_offline(unsigned int cpu); - /** * cpufreq_add_dev - the cpufreq interface for a CPU device. * @dev: CPU device. @@ -1312,16 +1322,10 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) /* Create sysfs link on CPU registration */ policy = per_cpu(cpufreq_cpu_data, cpu); - if (!policy || cpumask_test_and_set_cpu(cpu, policy->real_cpus)) - return 0; + if (policy) + add_cpu_dev_symlink(policy, cpu); - ret = add_cpu_dev_symlink(policy, dev); - if (ret) { - cpumask_clear_cpu(cpu, policy->real_cpus); - cpufreq_offline(cpu); - } - - return ret; + return 0; } static int cpufreq_offline(unsigned int cpu) diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index 7fe442ca38f4..854a56781100 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -164,6 +164,24 @@ static int powernv_cpuidle_driver_init(void) drv->state_count += 1; } + /* + * On the PowerNV platform cpu_present may be less than cpu_possible in + * cases when firmware detects the CPU, but it is not available to the + * OS. If CONFIG_HOTPLUG_CPU=n, then such CPUs are not hotplugable at + * run time and hence cpu_devices are not created for those CPUs by the + * generic topology_init(). + * + * drv->cpumask defaults to cpu_possible_mask in + * __cpuidle_driver_init(). This breaks cpuidle on PowerNV where + * cpu_devices are not created for CPUs in cpu_possible_mask that + * cannot be hot-added later at run time. + * + * Trying cpuidle_register_device() on a CPU without a cpu_device is + * incorrect, so pass a correct CPU mask to the generic cpuidle driver. + */ + + drv->cpumask = (struct cpumask *)cpu_present_mask; + return 0; } diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index c73207abb5a4..35237c8d5206 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -189,6 +189,7 @@ int cpuidle_enter_state(struct cpuidle_device *dev, struct cpuidle_driver *drv, return -EBUSY; } target_state = &drv->states[index]; + broadcast = false; } /* Take note of the planned idle state. */ diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 832a2c3f01ff..9e98a5fbbc1d 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -613,6 +613,18 @@ int cpuidle_add_sysfs(struct cpuidle_device *dev) struct device *cpu_dev = get_cpu_device((unsigned long)dev->cpu); int error; + /* + * Return if cpu_device is not setup for this CPU. + * + * This could happen if the arch did not set up cpu_device + * since this CPU is not in cpu_present mask and the + * driver did not send a correct CPU mask during registration. + * Without this check we would end up passing bogus + * value for &cpu_dev->kobj in kobject_init_and_add() + */ + if (!cpu_dev) + return -ENODEV; + kdev = kzalloc(sizeof(*kdev), GFP_KERNEL); if (!kdev) return -ENOMEM; diff --git a/drivers/crypto/amcc/crypto4xx_core.h b/drivers/crypto/amcc/crypto4xx_core.h index ecfdcfe3698d..4f41d6da5acc 100644 --- a/drivers/crypto/amcc/crypto4xx_core.h +++ b/drivers/crypto/amcc/crypto4xx_core.h @@ -34,12 +34,12 @@ #define PPC405EX_CE_RESET 0x00000008 #define CRYPTO4XX_CRYPTO_PRIORITY 300 -#define PPC4XX_LAST_PD 63 -#define PPC4XX_NUM_PD 64 -#define PPC4XX_LAST_GD 1023 +#define PPC4XX_NUM_PD 256 +#define PPC4XX_LAST_PD (PPC4XX_NUM_PD - 1) #define PPC4XX_NUM_GD 1024 -#define PPC4XX_LAST_SD 63 -#define PPC4XX_NUM_SD 64 +#define PPC4XX_LAST_GD (PPC4XX_NUM_GD - 1) +#define PPC4XX_NUM_SD 256 +#define PPC4XX_LAST_SD (PPC4XX_NUM_SD - 1) #define PPC4XX_SD_BUFFER_SIZE 2048 #define PD_ENTRY_INUSE 1 diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index db607d51ee2b..8eed456a67be 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -190,6 +190,7 @@ config HID_CORSAIR Supported devices: - Vengeance K90 + - Scimitar PRO RGB config HID_PRODIKEYS tristate "Prodikeys PC-MIDI Keyboard support" diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index bdde8859e191..e32862ca5223 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1872,6 +1872,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) }, { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) }, { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, @@ -2106,6 +2107,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, diff --git a/drivers/hid/hid-corsair.c b/drivers/hid/hid-corsair.c index c0303f61c26a..9ba5d98a1180 100644 --- a/drivers/hid/hid-corsair.c +++ b/drivers/hid/hid-corsair.c @@ -3,8 +3,10 @@ * * Supported devices: * - Vengeance K90 Keyboard + * - Scimitar PRO RGB Gaming Mouse * * Copyright (c) 2015 Clement Vuchener + * Copyright (c) 2017 Oscar Campos */ /* @@ -670,10 +672,51 @@ static int corsair_input_mapping(struct hid_device *dev, return 0; } +/* + * The report descriptor of Corsair Scimitar RGB Pro gaming mouse is + * non parseable as they define two consecutive Logical Minimum for + * the Usage Page (Consumer) in rdescs bytes 75 and 77 being 77 0x16 + * that should be obviousy 0x26 for Logical Magimum of 16 bits. This + * prevents poper parsing of the report descriptor due Logical + * Minimum being larger than Logical Maximum. + * + * This driver fixes the report descriptor for: + * - USB ID b1c:1b3e, sold as Scimitar RGB Pro Gaming mouse + */ + +static __u8 *corsair_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + + if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { + /* + * Corsair Scimitar RGB Pro report descriptor is broken and + * defines two different Logical Minimum for the Consumer + * Application. The byte 77 should be a 0x26 defining a 16 + * bits integer for the Logical Maximum but it is a 0x16 + * instead (Logical Minimum) + */ + switch (hdev->product) { + case USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB: + if (*rsize >= 172 && rdesc[75] == 0x15 && rdesc[77] == 0x16 + && rdesc[78] == 0xff && rdesc[79] == 0x0f) { + hid_info(hdev, "Fixing up report descriptor\n"); + rdesc[77] = 0x26; + } + break; + } + + } + return rdesc; +} + static const struct hid_device_id corsair_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90), .driver_data = CORSAIR_USE_K90_MACRO | CORSAIR_USE_K90_BACKLIGHT }, + { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, + USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) }, {} }; @@ -686,10 +729,14 @@ static struct hid_driver corsair_driver = { .event = corsair_event, .remove = corsair_remove, .input_mapping = corsair_input_mapping, + .report_fixup = corsair_mouse_report_fixup, }; module_hid_driver(corsair_driver); MODULE_LICENSE("GPL"); +/* Original K90 driver author */ MODULE_AUTHOR("Clement Vuchener"); +/* Scimitar PRO RGB driver author */ +MODULE_AUTHOR("Oscar Campos"); MODULE_DESCRIPTION("HID driver for Corsair devices"); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 433d5f675c03..244b97c1b74e 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -277,6 +277,9 @@ #define USB_DEVICE_ID_CORSAIR_K70RGB 0x1b13 #define USB_DEVICE_ID_CORSAIR_STRAFE 0x1b15 #define USB_DEVICE_ID_CORSAIR_K65RGB 0x1b17 +#define USB_DEVICE_ID_CORSAIR_K70RGB_RAPIDFIRE 0x1b38 +#define USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE 0x1b39 +#define USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB 0x1b3e #define USB_VENDOR_ID_CREATIVELABS 0x041e #define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c @@ -1077,6 +1080,7 @@ #define USB_VENDOR_ID_XIN_MO 0x16c0 #define USB_DEVICE_ID_XIN_MO_DUAL_ARCADE 0x05e1 +#define USB_DEVICE_ID_THT_2P_ARCADE 0x75e1 #define USB_VENDOR_ID_XIROKU 0x1477 #define USB_DEVICE_ID_XIROKU_SPX 0x1006 diff --git a/drivers/hid/hid-xinmo.c b/drivers/hid/hid-xinmo.c index 7df5227a7e61..9ad7731d2e10 100644 --- a/drivers/hid/hid-xinmo.c +++ b/drivers/hid/hid-xinmo.c @@ -46,6 +46,7 @@ static int xinmo_event(struct hid_device *hdev, struct hid_field *field, static const struct hid_device_id xinmo_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) }, { } }; diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index 2b1620797959..1916f80a692d 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -80,6 +80,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_STRAFE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DELL, USB_DEVICE_ID_DELL_PIXART_USB_OPTICAL_MOUSE, HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index cccef87963e0..975c43d446f8 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -646,6 +646,9 @@ static int atk_read_value(struct atk_sensor_data *sensor, u64 *value) else err = atk_read_value_new(sensor, value); + if (err) + return err; + sensor->is_valid = true; sensor->last_updated = jiffies; sensor->cached_value = *value; diff --git a/drivers/hwmon/max31790.c b/drivers/hwmon/max31790.c index c1b9275978f9..281491cca510 100644 --- a/drivers/hwmon/max31790.c +++ b/drivers/hwmon/max31790.c @@ -311,7 +311,7 @@ static int max31790_write_pwm(struct device *dev, u32 attr, int channel, data->pwm[channel] = val << 8; err = i2c_smbus_write_word_swapped(client, MAX31790_REG_PWMOUT(channel), - val); + data->pwm[channel]); break; case hwmon_pwm_enable: fan_config = data->fan_config[channel]; diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index a754fc727de5..ff12b8d176ce 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -196,7 +196,7 @@ void ib_free_cq(struct ib_cq *cq) irq_poll_disable(&cq->iop); break; case IB_POLL_WORKQUEUE: - flush_work(&cq->work); + cancel_work_sync(&cq->work); break; default: WARN_ON_ONCE(1); diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 6fd043b1d714..7db2001775cb 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -159,6 +159,9 @@ int i40iw_inetaddr_event(struct notifier_block *notifier, return NOTIFY_DONE; iwdev = &hdl->device; + if (iwdev->init_state < INET_NOTIFIER) + return NOTIFY_DONE; + netdev = iwdev->ldev->netdev; upper_dev = netdev_master_upper_dev_get(netdev); if (netdev != event_netdev) @@ -231,6 +234,9 @@ int i40iw_inet6addr_event(struct notifier_block *notifier, return NOTIFY_DONE; iwdev = &hdl->device; + if (iwdev->init_state < INET_NOTIFIER) + return NOTIFY_DONE; + netdev = iwdev->ldev->netdev; if (netdev != event_netdev) return NOTIFY_DONE; @@ -280,6 +286,8 @@ int i40iw_net_event(struct notifier_block *notifier, unsigned long event, void * if (!iwhdl) return NOTIFY_DONE; iwdev = &iwhdl->device; + if (iwdev->init_state < INET_NOTIFIER) + return NOTIFY_DONE; p = (__be32 *)neigh->primary_key; i40iw_copy_ip_ntohl(local_ipaddr, p); if (neigh->nud_state & NUD_VALID) { diff --git a/drivers/infiniband/sw/rdmavt/mmap.c b/drivers/infiniband/sw/rdmavt/mmap.c index e202b8142759..6b712eecbd37 100644 --- a/drivers/infiniband/sw/rdmavt/mmap.c +++ b/drivers/infiniband/sw/rdmavt/mmap.c @@ -170,9 +170,9 @@ struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, spin_lock_irq(&rdi->mmap_offset_lock); if (rdi->mmap_offset == 0) - rdi->mmap_offset = PAGE_SIZE; + rdi->mmap_offset = ALIGN(PAGE_SIZE, SHMLBA); ip->offset = rdi->mmap_offset; - rdi->mmap_offset += size; + rdi->mmap_offset += ALIGN(size, SHMLBA); spin_unlock_irq(&rdi->mmap_offset_lock); INIT_LIST_HEAD(&ip->pending_mmaps); diff --git a/drivers/infiniband/sw/rxe/rxe_mmap.c b/drivers/infiniband/sw/rxe/rxe_mmap.c index c572a4c09359..bd812e00988e 100644 --- a/drivers/infiniband/sw/rxe/rxe_mmap.c +++ b/drivers/infiniband/sw/rxe/rxe_mmap.c @@ -156,10 +156,10 @@ struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *rxe, spin_lock_bh(&rxe->mmap_offset_lock); if (rxe->mmap_offset == 0) - rxe->mmap_offset = PAGE_SIZE; + rxe->mmap_offset = ALIGN(PAGE_SIZE, SHMLBA); ip->info.offset = rxe->mmap_offset; - rxe->mmap_offset += size; + rxe->mmap_offset += ALIGN(size, SHMLBA); spin_unlock_bh(&rxe->mmap_offset_lock); diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c index ee26a1b1b4ed..1c4e5b2e6835 100644 --- a/drivers/infiniband/sw/rxe/rxe_pool.c +++ b/drivers/infiniband/sw/rxe/rxe_pool.c @@ -412,6 +412,8 @@ void *rxe_alloc(struct rxe_pool *pool) elem = kmem_cache_zalloc(pool_cache(pool), (pool->flags & RXE_POOL_ATOMIC) ? GFP_ATOMIC : GFP_KERNEL); + if (!elem) + return NULL; elem->pool = pool; kref_init(&elem->ref_cnt); diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index 9d084780ac91..5b0ca35c06ab 100644 --- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -726,11 +726,11 @@ int rxe_requester(void *arg) ret = rxe_xmit_packet(to_rdev(qp->ibqp.device), qp, &pkt, skb); if (ret) { qp->need_req_skb = 1; - kfree_skb(skb); rollback_state(wqe, qp, &rollback_wqe, rollback_psn); if (ret == -EAGAIN) { + kfree_skb(skb); rxe_run_task(&qp->req.task, 1); goto exit; } diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index 7705820cdac6..8c0ddd7165ae 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -799,18 +799,17 @@ static enum resp_states execute(struct rxe_qp *qp, struct rxe_pkt_info *pkt) /* Unreachable */ WARN_ON(1); - /* We successfully processed this new request. */ - qp->resp.msn++; - /* next expected psn, read handles this separately */ qp->resp.psn = (pkt->psn + 1) & BTH_PSN_MASK; qp->resp.opcode = pkt->opcode; qp->resp.status = IB_WC_SUCCESS; - if (pkt->mask & RXE_COMP_MASK) + if (pkt->mask & RXE_COMP_MASK) { + /* We successfully processed this new request. */ + qp->resp.msn++; return RESPST_COMPLETE; - else if (qp_type(qp) == IB_QPT_RC) + } else if (qp_type(qp) == IB_QPT_RC) return RESPST_ACKNOWLEDGE; else return RESPST_CLEANUP; diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 0be6a7c5ddb5..cb48e22afff7 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -430,6 +430,7 @@ struct iser_fr_desc { struct list_head list; struct iser_reg_resources rsc; struct iser_pi_context *pi_ctx; + struct list_head all_list; }; /** @@ -443,6 +444,7 @@ struct iser_fr_pool { struct list_head list; spinlock_t lock; int size; + struct list_head all_list; }; /** diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index a4b791dfaa1d..bc6f5bb6c524 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -362,6 +362,7 @@ int iser_alloc_fastreg_pool(struct ib_conn *ib_conn, int i, ret; INIT_LIST_HEAD(&fr_pool->list); + INIT_LIST_HEAD(&fr_pool->all_list); spin_lock_init(&fr_pool->lock); fr_pool->size = 0; for (i = 0; i < cmds_max; i++) { @@ -373,6 +374,7 @@ int iser_alloc_fastreg_pool(struct ib_conn *ib_conn, } list_add_tail(&desc->list, &fr_pool->list); + list_add_tail(&desc->all_list, &fr_pool->all_list); fr_pool->size++; } @@ -392,13 +394,13 @@ void iser_free_fastreg_pool(struct ib_conn *ib_conn) struct iser_fr_desc *desc, *tmp; int i = 0; - if (list_empty(&fr_pool->list)) + if (list_empty(&fr_pool->all_list)) return; iser_info("freeing conn %p fr pool\n", ib_conn); - list_for_each_entry_safe(desc, tmp, &fr_pool->list, list) { - list_del(&desc->list); + list_for_each_entry_safe(desc, tmp, &fr_pool->all_list, all_list) { + list_del(&desc->all_list); iser_free_reg_res(&desc->rsc); if (desc->pi_ctx) iser_free_pi_ctx(desc->pi_ctx); diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index c7820b3ea80e..beef59eb94fa 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -543,7 +543,10 @@ static void sysmmu_tlb_invalidate_flpdcache(struct sysmmu_drvdata *data, if (is_sysmmu_active(data) && data->version >= MAKE_MMU_VER(3, 3)) { clk_enable(data->clk_master); if (sysmmu_block(data)) { - __sysmmu_tlb_invalidate_entry(data, iova, 1); + if (data->version >= MAKE_MMU_VER(5, 0)) + __sysmmu_tlb_invalidate(data); + else + __sysmmu_tlb_invalidate_entry(data, iova, 1); sysmmu_unblock(data); } clk_disable(data->clk_master); diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index 823f6985b260..dd7e38ac29bd 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -1032,6 +1032,7 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data) sizeof(avmb1_carddef)))) return -EFAULT; cdef.cardtype = AVM_CARDTYPE_B1; + cdef.cardnr = 0; } else { if ((retval = copy_from_user(&cdef, data, sizeof(avmb1_extcarddef)))) diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index eef202d4399b..a5422f483ad5 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1758,6 +1758,9 @@ static pci_ers_result_t cxl_vphb_error_detected(struct cxl_afu *afu, /* There should only be one entry, but go through the list * anyway */ + if (afu->phb == NULL) + return result; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (!afu_dev->driver) continue; @@ -1801,6 +1804,11 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev, /* Only participate in EEH if we are on a virtual PHB */ if (afu->phb == NULL) return PCI_ERS_RESULT_NONE; + + /* + * Tell the AFU drivers; but we don't care what they + * say, we're going away. + */ cxl_vphb_error_detected(afu, state); } return PCI_ERS_RESULT_DISCONNECT; @@ -1941,6 +1949,9 @@ static pci_ers_result_t cxl_pci_slot_reset(struct pci_dev *pdev) if (cxl_afu_select_best_mode(afu)) goto err; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { /* Reset the device context. * TODO: make this less disruptive @@ -2003,6 +2014,9 @@ static void cxl_pci_resume(struct pci_dev *pdev) for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; + if (afu->phb == NULL) + continue; + list_for_each_entry(afu_dev, &afu->phb->bus->devices, bus_list) { if (afu_dev->driver && afu_dev->driver->err_handler && afu_dev->driver->err_handler->resume) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 0b894d76aa41..bbb3641eddcb 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -2381,6 +2381,18 @@ static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) return 0; } +static void bnxt_init_cp_rings(struct bnxt *bp) +{ + int i; + + for (i = 0; i < bp->cp_nr_rings; i++) { + struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring; + struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; + + ring->fw_ring_id = INVALID_HW_RING_ID; + } +} + static int bnxt_init_rx_rings(struct bnxt *bp) { int i, rc = 0; @@ -4700,6 +4712,7 @@ static int bnxt_shutdown_nic(struct bnxt *bp, bool irq_re_init) static int bnxt_init_nic(struct bnxt *bp, bool irq_re_init) { + bnxt_init_cp_rings(bp); bnxt_init_rx_rings(bp); bnxt_init_tx_rings(bp); bnxt_init_ring_grps(bp, irq_re_init); diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c index 9e59663a6ead..0f6811860ad5 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c @@ -1930,13 +1930,13 @@ static void bfa_ioc_send_enable(struct bfa_ioc *ioc) { struct bfi_ioc_ctrl_req enable_req; - struct timeval tv; bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, bfa_ioc_portid(ioc)); enable_req.clscode = htons(ioc->clscode); - do_gettimeofday(&tv); - enable_req.tv_sec = ntohl(tv.tv_sec); + enable_req.rsvd = htons(0); + /* overflow in 2106 */ + enable_req.tv_sec = ntohl(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req)); } @@ -1947,6 +1947,10 @@ bfa_ioc_send_disable(struct bfa_ioc *ioc) bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, bfa_ioc_portid(ioc)); + disable_req.clscode = htons(ioc->clscode); + disable_req.rsvd = htons(0); + /* overflow in 2106 */ + disable_req.tv_sec = ntohl(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req)); } diff --git a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c index 05c1c1dd7751..cebfe3bd086e 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c +++ b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c @@ -325,7 +325,7 @@ bnad_debugfs_write_regrd(struct file *file, const char __user *buf, return PTR_ERR(kern_buf); rc = sscanf(kern_buf, "%x:%x", &addr, &len); - if (rc < 2) { + if (rc < 2 || len > UINT_MAX >> 2) { netdev_warn(bnad->netdev, "failed to read user buffer\n"); kfree(kern_buf); return -EINVAL; diff --git a/drivers/net/ethernet/intel/fm10k/fm10k.h b/drivers/net/ethernet/intel/fm10k/fm10k.h index 4d19e46f7c55..3693ae104c2a 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k.h +++ b/drivers/net/ethernet/intel/fm10k/fm10k.h @@ -508,8 +508,8 @@ s32 fm10k_iov_update_pvid(struct fm10k_intfc *interface, u16 glort, u16 pvid); int fm10k_ndo_set_vf_mac(struct net_device *netdev, int vf_idx, u8 *mac); int fm10k_ndo_set_vf_vlan(struct net_device *netdev, int vf_idx, u16 vid, u8 qos, __be16 vlan_proto); -int fm10k_ndo_set_vf_bw(struct net_device *netdev, int vf_idx, int rate, - int unused); +int fm10k_ndo_set_vf_bw(struct net_device *netdev, int vf_idx, + int __always_unused min_rate, int max_rate); int fm10k_ndo_get_vf_config(struct net_device *netdev, int vf_idx, struct ifla_vf_info *ivi); diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_iov.c b/drivers/net/ethernet/intel/fm10k/fm10k_iov.c index 5f4dac0d36ef..e72fd52bacfe 100644 --- a/drivers/net/ethernet/intel/fm10k/fm10k_iov.c +++ b/drivers/net/ethernet/intel/fm10k/fm10k_iov.c @@ -126,6 +126,9 @@ s32 fm10k_iov_mbx(struct fm10k_intfc *interface) struct fm10k_mbx_info *mbx = &vf_info->mbx; u16 glort = vf_info->glort; + /* process the SM mailbox first to drain outgoing messages */ + hw->mbx.ops.process(hw, &hw->mbx); + /* verify port mapping is valid, if not reset port */ if (vf_info->vf_flags && !fm10k_glort_valid_pf(hw, glort)) hw->iov.ops.reset_lport(hw, vf_info); @@ -482,7 +485,7 @@ int fm10k_ndo_set_vf_vlan(struct net_device *netdev, int vf_idx, u16 vid, } int fm10k_ndo_set_vf_bw(struct net_device *netdev, int vf_idx, - int __always_unused unused, int rate) + int __always_unused min_rate, int max_rate) { struct fm10k_intfc *interface = netdev_priv(netdev); struct fm10k_iov_data *iov_data = interface->iov_data; @@ -493,14 +496,15 @@ int fm10k_ndo_set_vf_bw(struct net_device *netdev, int vf_idx, return -EINVAL; /* rate limit cannot be less than 10Mbs or greater than link speed */ - if (rate && ((rate < FM10K_VF_TC_MIN) || rate > FM10K_VF_TC_MAX)) + if (max_rate && + (max_rate < FM10K_VF_TC_MIN || max_rate > FM10K_VF_TC_MAX)) return -EINVAL; /* store values */ - iov_data->vf_info[vf_idx].rate = rate; + iov_data->vf_info[vf_idx].rate = max_rate; /* update hardware configuration */ - hw->iov.ops.configure_tc(hw, vf_idx, rate); + hw->iov.ops.configure_tc(hw, vf_idx, max_rate); return 0; } diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 2caafebb0295..becffd15c092 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -4217,8 +4217,12 @@ static void i40e_napi_enable_all(struct i40e_vsi *vsi) if (!vsi->netdev) return; - for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) - napi_enable(&vsi->q_vectors[q_idx]->napi); + for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) { + struct i40e_q_vector *q_vector = vsi->q_vectors[q_idx]; + + if (q_vector->rx.ring || q_vector->tx.ring) + napi_enable(&q_vector->napi); + } } /** @@ -4232,8 +4236,12 @@ static void i40e_napi_disable_all(struct i40e_vsi *vsi) if (!vsi->netdev) return; - for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) - napi_disable(&vsi->q_vectors[q_idx]->napi); + for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) { + struct i40e_q_vector *q_vector = vsi->q_vectors[q_idx]; + + if (q_vector->rx.ring || q_vector->tx.ring) + napi_disable(&q_vector->napi); + } } /** diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 16839600fb78..ca54f7684668 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -3102,6 +3102,8 @@ static int igb_sw_init(struct igb_adapter *adapter) /* Setup and initialize a copy of the hw vlan table array */ adapter->shadow_vfta = kcalloc(E1000_VLAN_FILTER_TBL_SIZE, sizeof(u32), GFP_ATOMIC); + if (!adapter->shadow_vfta) + return -ENOMEM; /* This call may decrease the number of queues */ if (igb_init_interrupt_scheme(adapter, true)) { diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c index 77d3039283f6..ad3362293cbd 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c @@ -3696,10 +3696,10 @@ s32 ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min, fw_cmd.ver_build = build; fw_cmd.ver_sub = sub; fw_cmd.hdr.checksum = 0; - fw_cmd.hdr.checksum = ixgbe_calculate_checksum((u8 *)&fw_cmd, - (FW_CEM_HDR_LEN + fw_cmd.hdr.buf_len)); fw_cmd.pad = 0; fw_cmd.pad2 = 0; + fw_cmd.hdr.checksum = ixgbe_calculate_checksum((u8 *)&fw_cmd, + (FW_CEM_HDR_LEN + fw_cmd.hdr.buf_len)); for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) { ret_val = ixgbe_host_interface_command(hw, &fw_cmd, diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index 60f0bf779073..77a60aa5dc7e 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -617,6 +617,8 @@ static s32 ixgbe_read_ee_hostif_buffer_X550(struct ixgbe_hw *hw, /* convert offset from words to bytes */ buffer.address = cpu_to_be32((offset + current_word) * 2); buffer.length = cpu_to_be16(words_to_read * 2); + buffer.pad2 = 0; + buffer.pad3 = 0; status = ixgbe_host_interface_command(hw, &buffer, sizeof(buffer), diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index 4367dd6879a2..0622fd03941b 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -25,6 +25,7 @@ #include <linux/of_irq.h> #include <linux/crc32.h> #include <linux/crc32c.h> +#include <linux/circ_buf.h> #include "moxart_ether.h" @@ -278,6 +279,13 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget) return rx; } +static int moxart_tx_queue_space(struct net_device *ndev) +{ + struct moxart_mac_priv_t *priv = netdev_priv(ndev); + + return CIRC_SPACE(priv->tx_head, priv->tx_tail, TX_DESC_NUM); +} + static void moxart_tx_finished(struct net_device *ndev) { struct moxart_mac_priv_t *priv = netdev_priv(ndev); @@ -297,6 +305,9 @@ static void moxart_tx_finished(struct net_device *ndev) tx_tail = TX_NEXT(tx_tail); } priv->tx_tail = tx_tail; + if (netif_queue_stopped(ndev) && + moxart_tx_queue_space(ndev) >= TX_WAKE_THRESHOLD) + netif_wake_queue(ndev); } static irqreturn_t moxart_mac_interrupt(int irq, void *dev_id) @@ -324,13 +335,18 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct moxart_mac_priv_t *priv = netdev_priv(ndev); void *desc; unsigned int len; - unsigned int tx_head = priv->tx_head; + unsigned int tx_head; u32 txdes1; int ret = NETDEV_TX_BUSY; + spin_lock_irq(&priv->txlock); + + tx_head = priv->tx_head; desc = priv->tx_desc_base + (TX_REG_DESC_SIZE * tx_head); - spin_lock_irq(&priv->txlock); + if (moxart_tx_queue_space(ndev) == 1) + netif_stop_queue(ndev); + if (moxart_desc_read(desc + TX_REG_OFFSET_DESC0) & TX_DESC0_DMA_OWN) { net_dbg_ratelimited("no TX space for packet\n"); priv->stats.tx_dropped++; diff --git a/drivers/net/ethernet/moxa/moxart_ether.h b/drivers/net/ethernet/moxa/moxart_ether.h index 93a9563ac7c6..afc32ec998c0 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.h +++ b/drivers/net/ethernet/moxa/moxart_ether.h @@ -59,6 +59,7 @@ #define TX_NEXT(N) (((N) + 1) & (TX_DESC_NUM_MASK)) #define TX_BUF_SIZE 1600 #define TX_BUF_SIZE_MAX (TX_DESC1_BUF_SIZE_MASK+1) +#define TX_WAKE_THRESHOLD 16 #define RX_DESC_NUM 64 #define RX_DESC_NUM_MASK (RX_DESC_NUM-1) diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index a0849f49bbec..c0192f97ecc8 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -418,8 +418,9 @@ static struct vlsi_ring *vlsi_alloc_ring(struct pci_dev *pdev, struct ring_descr memset(rd, 0, sizeof(*rd)); rd->hw = hwmap + i; rd->buf = kmalloc(len, GFP_KERNEL|GFP_DMA); - if (rd->buf == NULL || - !(busaddr = pci_map_single(pdev, rd->buf, len, dir))) { + if (rd->buf) + busaddr = pci_map_single(pdev, rd->buf, len, dir); + if (rd->buf == NULL || pci_dma_mapping_error(pdev, busaddr)) { if (rd->buf) { net_err_ratelimited("%s: failed to create PCI-MAP for %p\n", __func__, rd->buf); @@ -430,8 +431,7 @@ static struct vlsi_ring *vlsi_alloc_ring(struct pci_dev *pdev, struct ring_descr rd = r->rd + j; busaddr = rd_get_addr(rd); rd_set_addr_status(rd, 0, 0); - if (busaddr) - pci_unmap_single(pdev, busaddr, len, dir); + pci_unmap_single(pdev, busaddr, len, dir); kfree(rd->buf); rd->buf = NULL; } diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c index a52b560e428b..3603eec7217f 100644 --- a/drivers/net/phy/at803x.c +++ b/drivers/net/phy/at803x.c @@ -166,7 +166,7 @@ static int at803x_set_wol(struct phy_device *phydev, mac = (const u8 *) ndev->dev_addr; if (!is_valid_ether_addr(mac)) - return -EFAULT; + return -EINVAL; for (i = 0; i < 3; i++) { phy_write(phydev, AT803X_MMD_ACCESS_CONTROL, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 62725655d8e4..105fbfb47e3a 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -582,6 +582,10 @@ static const struct usb_device_id products[] = { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), .driver_info = (unsigned long)&qmi_wwan_info, }, + { /* Motorola Mapphone devices with MDM6600 */ + USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), + .driver_info = (unsigned long)&qmi_wwan_info, + }, /* 2. Combined interface devices matching on class+protocol */ { /* Huawei E367 and possibly others in "Windows mode" */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index afb953a258cd..b2d7c7e32250 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -32,7 +32,7 @@ #define NETNEXT_VERSION "08" /* Information for net */ -#define NET_VERSION "8" +#define NET_VERSION "9" #define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@xxxxxxxxxxx>" @@ -501,6 +501,8 @@ enum rtl_register_content { #define RTL8153_RMS RTL8153_MAX_PACKET #define RTL8152_TX_TIMEOUT (5 * HZ) #define RTL8152_NAPI_WEIGHT 64 +#define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + CRC_SIZE + \ + sizeof(struct rx_desc) + RX_ALIGN) /* rtl8152 flags */ enum rtl8152_flags { @@ -1292,6 +1294,7 @@ static void intr_callback(struct urb *urb) } } else { if (netif_carrier_ok(tp->netdev)) { + netif_stop_queue(tp->netdev); set_bit(RTL8152_LINK_CHG, &tp->flags); schedule_delayed_work(&tp->schedule, 0); } @@ -1362,6 +1365,7 @@ static int alloc_all_mem(struct r8152 *tp) spin_lock_init(&tp->rx_lock); spin_lock_init(&tp->tx_lock); INIT_LIST_HEAD(&tp->tx_free); + INIT_LIST_HEAD(&tp->rx_done); skb_queue_head_init(&tp->tx_queue); skb_queue_head_init(&tp->rx_queue); @@ -2252,8 +2256,7 @@ static void r8153_set_rx_early_timeout(struct r8152 *tp) static void r8153_set_rx_early_size(struct r8152 *tp) { - u32 mtu = tp->netdev->mtu; - u32 ocp_data = (agg_buf_sz - mtu - VLAN_ETH_HLEN - VLAN_HLEN) / 8; + u32 ocp_data = (agg_buf_sz - rx_reserved_size(tp->netdev->mtu)) / 4; ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data); } @@ -3165,6 +3168,9 @@ static void set_carrier(struct r8152 *tp) napi_enable(&tp->napi); netif_wake_queue(netdev); netif_info(tp, link, netdev, "carrier on\n"); + } else if (netif_queue_stopped(netdev) && + skb_queue_len(&tp->tx_queue) < tp->tx_qlen) { + netif_wake_queue(netdev); } } else { if (netif_carrier_ok(netdev)) { @@ -3698,8 +3704,18 @@ static int rtl8152_resume(struct usb_interface *intf) tp->rtl_ops.autosuspend_en(tp, false); napi_disable(&tp->napi); set_bit(WORK_ENABLE, &tp->flags); - if (netif_carrier_ok(tp->netdev)) - rtl_start_rx(tp); + + if (netif_carrier_ok(tp->netdev)) { + if (rtl8152_get_speed(tp) & LINK_STATUS) { + rtl_start_rx(tp); + } else { + netif_carrier_off(tp->netdev); + tp->rtl_ops.disable(tp); + netif_info(tp, link, tp->netdev, + "linking down\n"); + } + } + napi_enable(&tp->napi); clear_bit(SELECTIVE_SUSPEND, &tp->flags); smp_mb__after_atomic(); diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index c8e612c1c72f..e56ca3fb107e 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -223,8 +223,6 @@ static void nvme_loop_submit_async_event(struct nvme_ctrl *arg, int aer_idx) static int nvme_loop_init_iod(struct nvme_loop_ctrl *ctrl, struct nvme_loop_iod *iod, unsigned int queue_idx) { - BUG_ON(queue_idx >= ctrl->queue_count); - iod->req.cmd = &iod->cmd; iod->req.rsp = &iod->rsp; iod->queue = &ctrl->queues[queue_idx]; @@ -314,6 +312,43 @@ static void nvme_loop_free_ctrl(struct nvme_ctrl *nctrl) kfree(ctrl); } +static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl) +{ + int i; + + for (i = 1; i < ctrl->queue_count; i++) + nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); +} + +static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl) +{ + struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; + unsigned int nr_io_queues; + int ret, i; + + nr_io_queues = min(opts->nr_io_queues, num_online_cpus()); + ret = nvme_set_queue_count(&ctrl->ctrl, &nr_io_queues); + if (ret || !nr_io_queues) + return ret; + + dev_info(ctrl->ctrl.device, "creating %d I/O queues.\n", nr_io_queues); + + for (i = 1; i <= nr_io_queues; i++) { + ctrl->queues[i].ctrl = ctrl; + ret = nvmet_sq_init(&ctrl->queues[i].nvme_sq); + if (ret) + goto out_destroy_queues; + + ctrl->queue_count++; + } + + return 0; + +out_destroy_queues: + nvme_loop_destroy_io_queues(ctrl); + return ret; +} + static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl) { int error; @@ -385,17 +420,13 @@ static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl) static void nvme_loop_shutdown_ctrl(struct nvme_loop_ctrl *ctrl) { - int i; - nvme_stop_keep_alive(&ctrl->ctrl); if (ctrl->queue_count > 1) { nvme_stop_queues(&ctrl->ctrl); blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_cancel_request, &ctrl->ctrl); - - for (i = 1; i < ctrl->queue_count; i++) - nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); + nvme_loop_destroy_io_queues(ctrl); } if (ctrl->ctrl.state == NVME_CTRL_LIVE) @@ -467,19 +498,14 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work) if (ret) goto out_disable; - for (i = 1; i <= ctrl->ctrl.opts->nr_io_queues; i++) { - ctrl->queues[i].ctrl = ctrl; - ret = nvmet_sq_init(&ctrl->queues[i].nvme_sq); - if (ret) - goto out_free_queues; - - ctrl->queue_count++; - } + ret = nvme_loop_init_io_queues(ctrl); + if (ret) + goto out_destroy_admin; - for (i = 1; i <= ctrl->ctrl.opts->nr_io_queues; i++) { + for (i = 1; i < ctrl->queue_count; i++) { ret = nvmf_connect_io_queue(&ctrl->ctrl, i); if (ret) - goto out_free_queues; + goto out_destroy_io; } changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE); @@ -492,9 +518,9 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work) return; -out_free_queues: - for (i = 1; i < ctrl->queue_count; i++) - nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); +out_destroy_io: + nvme_loop_destroy_io_queues(ctrl); +out_destroy_admin: nvme_loop_destroy_admin_queue(ctrl); out_disable: dev_warn(ctrl->ctrl.device, "Removing after reset failure\n"); @@ -533,25 +559,12 @@ static const struct nvme_ctrl_ops nvme_loop_ctrl_ops = { static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) { - struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; int ret, i; - ret = nvme_set_queue_count(&ctrl->ctrl, &opts->nr_io_queues); - if (ret || !opts->nr_io_queues) + ret = nvme_loop_init_io_queues(ctrl); + if (ret) return ret; - dev_info(ctrl->ctrl.device, "creating %d I/O queues.\n", - opts->nr_io_queues); - - for (i = 1; i <= opts->nr_io_queues; i++) { - ctrl->queues[i].ctrl = ctrl; - ret = nvmet_sq_init(&ctrl->queues[i].nvme_sq); - if (ret) - goto out_destroy_queues; - - ctrl->queue_count++; - } - memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); ctrl->tag_set.ops = &nvme_loop_mq_ops; ctrl->tag_set.queue_depth = ctrl->ctrl.opts->queue_size; @@ -575,7 +588,7 @@ static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) goto out_free_tagset; } - for (i = 1; i <= opts->nr_io_queues; i++) { + for (i = 1; i < ctrl->queue_count; i++) { ret = nvmf_connect_io_queue(&ctrl->ctrl, i); if (ret) goto out_cleanup_connect_q; @@ -588,8 +601,7 @@ static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) out_free_tagset: blk_mq_free_tag_set(&ctrl->tag_set); out_destroy_queues: - for (i = 1; i < ctrl->queue_count; i++) - nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); + nvme_loop_destroy_io_queues(ctrl); return ret; } diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c index 47227820406d..1d32fe2d97aa 100644 --- a/drivers/pci/iov.c +++ b/drivers/pci/iov.c @@ -164,7 +164,6 @@ int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset) pci_device_add(virtfn, virtfn->bus); mutex_unlock(&iov->dev->sriov->lock); - pci_bus_add_device(virtfn); sprintf(buf, "virtfn%u", id); rc = sysfs_create_link(&dev->dev.kobj, &virtfn->dev.kobj, buf); if (rc) @@ -175,6 +174,8 @@ int pci_iov_add_virtfn(struct pci_dev *dev, int id, int reset) kobject_uevent(&virtfn->dev.kobj, KOBJ_CHANGE); + pci_bus_add_device(virtfn); + return 0; failed2: diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e7d4048e81f2..a87c8e1aef68 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4214,6 +4214,10 @@ static bool pci_bus_resetable(struct pci_bus *bus) { struct pci_dev *dev; + + if (bus->self && (bus->self->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET)) + return false; + list_for_each_entry(dev, &bus->devices, bus_list) { if (dev->dev_flags & PCI_DEV_FLAGS_NO_BUS_RESET || (dev->subordinate && !pci_bus_resetable(dev->subordinate))) diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index b1303b32053f..057465adf0b6 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -390,7 +390,14 @@ static pci_ers_result_t broadcast_error_message(struct pci_dev *dev, * If the error is reported by an end point, we think this * error is related to the upstream link of the end point. */ - pci_walk_bus(dev->bus, cb, &result_data); + if (state == pci_channel_io_normal) + /* + * the error is non fatal so the bus is ok, just invoke + * the callback for the function that logged the error. + */ + cb(dev, &result_data); + else + pci_walk_bus(dev->bus, cb, &result_data); } return result_data.result; diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index b7bb37167969..50c45bdf93be 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1285,6 +1285,22 @@ static void st_gpio_irq_unmask(struct irq_data *d) writel(BIT(d->hwirq), bank->base + REG_PIO_SET_PMASK); } +static int st_gpio_irq_request_resources(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + st_gpio_direction_input(gc, d->hwirq); + + return gpiochip_lock_as_irq(gc, d->hwirq); +} + +static void st_gpio_irq_release_resources(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + gpiochip_unlock_as_irq(gc, d->hwirq); +} + static int st_gpio_irq_set_type(struct irq_data *d, unsigned type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); @@ -1438,12 +1454,14 @@ static struct gpio_chip st_gpio_template = { }; static struct irq_chip st_gpio_irqchip = { - .name = "GPIO", - .irq_disable = st_gpio_irq_mask, - .irq_mask = st_gpio_irq_mask, - .irq_unmask = st_gpio_irq_unmask, - .irq_set_type = st_gpio_irq_set_type, - .flags = IRQCHIP_SKIP_SET_WAKE, + .name = "GPIO", + .irq_request_resources = st_gpio_irq_request_resources, + .irq_release_resources = st_gpio_irq_release_resources, + .irq_disable = st_gpio_irq_mask, + .irq_mask = st_gpio_irq_mask, + .irq_unmask = st_gpio_irq_unmask, + .irq_set_type = st_gpio_irq_set_type, + .flags = IRQCHIP_SKIP_SET_WAKE, }; static int st_gpiolib_register_bank(struct st_pinctrl *info, diff --git a/drivers/platform/x86/asus-wireless.c b/drivers/platform/x86/asus-wireless.c index 9f31bc1a47d0..18716025b1db 100644 --- a/drivers/platform/x86/asus-wireless.c +++ b/drivers/platform/x86/asus-wireless.c @@ -97,6 +97,7 @@ static void asus_wireless_notify(struct acpi_device *adev, u32 event) return; } input_report_key(data->idev, KEY_RFKILL, 1); + input_sync(data->idev); input_report_key(data->idev, KEY_RFKILL, 0); input_sync(data->idev); } diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 84a52db9b05f..6ebd42aad291 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -772,7 +772,7 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer) } timerqueue_add(&rtc->timerqueue, &timer->node); - if (!next) { + if (!next || ktime_before(timer->node.expires, next->expires)) { struct rtc_wkalrm alarm; int err; alarm.time = rtc_ktime_to_tm(timer->node.expires); diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c index e1687e19c59f..a30f24cb6c83 100644 --- a/drivers/rtc/rtc-pl031.c +++ b/drivers/rtc/rtc-pl031.c @@ -308,7 +308,8 @@ static int pl031_remove(struct amba_device *adev) dev_pm_clear_wake_irq(&adev->dev); device_init_wakeup(&adev->dev, false); - free_irq(adev->irq[0], ldata); + if (adev->irq[0]) + free_irq(adev->irq[0], ldata); rtc_device_unregister(ldata->rtc); iounmap(ldata->base); kfree(ldata); @@ -381,12 +382,13 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id) goto out_no_rtc; } - if (request_irq(adev->irq[0], pl031_interrupt, - vendor->irqflags, "rtc-pl031", ldata)) { - ret = -EIO; - goto out_no_irq; + if (adev->irq[0]) { + ret = request_irq(adev->irq[0], pl031_interrupt, + vendor->irqflags, "rtc-pl031", ldata); + if (ret) + goto out_no_irq; + dev_pm_set_wake_irq(&adev->dev, adev->irq[0]); } - dev_pm_set_wake_irq(&adev->dev, adev->irq[0]); return 0; out_no_irq: diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index e2bd2ad01b15..e72234efb648 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -969,7 +969,8 @@ int qeth_bridgeport_query_ports(struct qeth_card *card, int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); int qeth_bridgeport_an_set(struct qeth_card *card, int enable); int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); -int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); +int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb, + int extra_elems, int data_offset); int qeth_get_elements_for_frags(struct sk_buff *); int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, struct sk_buff *, struct qeth_hdr *, int, int, int); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index b5fa6bb56b29..838ed6213118 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -3842,6 +3842,7 @@ EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags); * @card: qeth card structure, to check max. elems. * @skb: SKB address * @extra_elems: extra elems needed, to check against max. + * @data_offset: range starts at skb->data + data_offset * * Returns the number of pages, and thus QDIO buffer elements, needed to cover * skb data, including linear part and fragments. Checks if the result plus @@ -3849,10 +3850,10 @@ EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags); * Note: extra_elems is not included in the returned result. */ int qeth_get_elements_no(struct qeth_card *card, - struct sk_buff *skb, int extra_elems) + struct sk_buff *skb, int extra_elems, int data_offset) { int elements = qeth_get_elements_for_range( - (addr_t)skb->data, + (addr_t)skb->data + data_offset, (addr_t)skb->data + skb_headlen(skb)) + qeth_get_elements_for_frags(skb); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index ac33f6c999b1..5082dfeacb95 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -865,7 +865,7 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) * chaining we can not send long frag lists */ if ((card->info.type != QETH_CARD_TYPE_IQD) && - !qeth_get_elements_no(card, new_skb, 0)) { + !qeth_get_elements_no(card, new_skb, 0, 0)) { int lin_rc = skb_linearize(new_skb); if (card->options.performance_stats) { @@ -910,7 +910,8 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) } } - elements = qeth_get_elements_no(card, new_skb, elements_needed); + elements = qeth_get_elements_no(card, new_skb, elements_needed, + (data_offset > 0) ? data_offset : 0); if (!elements) { if (data_offset >= 0) kmem_cache_free(qeth_core_header_cache, hdr); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 5735fc3be6c7..f91e70c369ed 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2612,17 +2612,13 @@ static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, char daddr[16]; struct af_iucv_trans_hdr *iucv_hdr; - skb_pull(skb, 14); - card->dev->header_ops->create(skb, card->dev, 0, - card->dev->dev_addr, card->dev->dev_addr, - card->dev->addr_len); - skb_pull(skb, 14); - iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; memset(hdr, 0, sizeof(struct qeth_hdr)); hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; hdr->hdr.l3.ext_flags = 0; - hdr->hdr.l3.length = skb->len; + hdr->hdr.l3.length = skb->len - ETH_HLEN; hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; + + iucv_hdr = (struct af_iucv_trans_hdr *) (skb->data + ETH_HLEN); memset(daddr, 0, sizeof(daddr)); daddr[0] = 0xfe; daddr[1] = 0x80; @@ -2826,10 +2822,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) if ((card->info.type == QETH_CARD_TYPE_IQD) && !skb_is_nonlinear(skb)) { new_skb = skb; - if (new_skb->protocol == ETH_P_AF_IUCV) - data_offset = 0; - else - data_offset = ETH_HLEN; + data_offset = ETH_HLEN; hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); if (!hdr) goto tx_drop; @@ -2870,7 +2863,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) */ if ((card->info.type != QETH_CARD_TYPE_IQD) && ((use_tso && !qeth_l3_get_elements_no_tso(card, new_skb, 1)) || - (!use_tso && !qeth_get_elements_no(card, new_skb, 0)))) { + (!use_tso && !qeth_get_elements_no(card, new_skb, 0, 0)))) { int lin_rc = skb_linearize(new_skb); if (card->options.performance_stats) { @@ -2912,7 +2905,8 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) elements = use_tso ? qeth_l3_get_elements_no_tso(card, new_skb, hdr_elements) : - qeth_get_elements_no(card, new_skb, hdr_elements); + qeth_get_elements_no(card, new_skb, hdr_elements, + (data_offset > 0) ? data_offset : 0); if (!elements) { if (data_offset >= 0) kmem_cache_free(qeth_core_header_cache, hdr); diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index 0039bebaa9e2..358ec32927ba 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -1347,6 +1347,7 @@ static void release_offload_resources(struct cxgbi_sock *csk) csk, csk->state, csk->flags, csk->tid); cxgbi_sock_free_cpl_skbs(csk); + cxgbi_sock_purge_write_queue(csk); if (csk->wr_cred != csk->wr_max_cred) { cxgbi_sock_purge_wr_queue(csk); cxgbi_sock_reset_wr_list(csk); diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 9c9563312a3d..fc7addaf24da 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -7782,7 +7782,8 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvPRLI++; - if (vport->port_state < LPFC_DISC_AUTH) { + if ((vport->port_state < LPFC_DISC_AUTH) && + (vport->fc_flag & FC_FABRIC)) { rjt_err = LSRJT_UNABLE_TPC; rjt_exp = LSEXP_NOTHING_MORE; break; diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index ed223937798a..7d2ad633b6bc 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -4784,7 +4784,8 @@ lpfc_nlp_remove(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) lpfc_cancel_retry_delay_tmo(vport, ndlp); if ((ndlp->nlp_flag & NLP_DEFER_RM) && !(ndlp->nlp_flag & NLP_REG_LOGIN_SEND) && - !(ndlp->nlp_flag & NLP_RPI_REGISTERED)) { + !(ndlp->nlp_flag & NLP_RPI_REGISTERED) && + phba->sli_rev != LPFC_SLI_REV4) { /* For this case we need to cleanup the default rpi * allocated by the firmware. */ diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 55faa94637a9..2a436dff1589 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -3232,7 +3232,7 @@ struct lpfc_mbx_get_port_name { #define MB_CEQ_STATUS_QUEUE_FLUSHING 0x4 #define MB_CQE_STATUS_DMA_FAILED 0x5 -#define LPFC_MBX_WR_CONFIG_MAX_BDE 8 +#define LPFC_MBX_WR_CONFIG_MAX_BDE 1 struct lpfc_mbx_wr_object { struct mbox_header header; union { diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 289374cbcb47..468acab04d3d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -4770,6 +4770,11 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) } else if (log_info == VIRTUAL_IO_FAILED_RETRY) { scmd->result = DID_RESET << 16; break; + } else if ((scmd->device->channel == RAID_CHANNEL) && + (scsi_state == (MPI2_SCSI_STATE_TERMINATED | + MPI2_SCSI_STATE_NO_SCSI_STATUS))) { + scmd->result = DID_RESET << 16; + break; } scmd->result = DID_SOFT_ERROR << 16; break; diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index 8dffd8a7e762..9f01427f35f9 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -924,6 +924,8 @@ static void __gb_lights_led_unregister(struct gb_channel *channel) return; led_classdev_unregister(cdev); + kfree(cdev->name); + cdev->name = NULL; channel->led = NULL; } diff --git a/drivers/thermal/hisi_thermal.c b/drivers/thermal/hisi_thermal.c index f6429666a1cf..c5285ed34fdd 100644 --- a/drivers/thermal/hisi_thermal.c +++ b/drivers/thermal/hisi_thermal.c @@ -35,8 +35,9 @@ #define TEMP0_RST_MSK (0x1C) #define TEMP0_VALUE (0x28) -#define HISI_TEMP_BASE (-60) +#define HISI_TEMP_BASE (-60000) #define HISI_TEMP_RESET (100000) +#define HISI_TEMP_STEP (784) #define HISI_MAX_SENSORS 4 @@ -61,19 +62,38 @@ struct hisi_thermal_data { void __iomem *regs; }; -/* in millicelsius */ -static inline int _step_to_temp(int step) +/* + * The temperature computation on the tsensor is as follow: + * Unit: millidegree Celsius + * Step: 255/200 (0.7843) + * Temperature base: -60°C + * + * The register is programmed in temperature steps, every step is 784 + * millidegree and begins at -60 000 m°C + * + * The temperature from the steps: + * + * Temp = TempBase + (steps x 784) + * + * and the steps from the temperature: + * + * steps = (Temp - TempBase) / 784 + * + */ +static inline int hisi_thermal_step_to_temp(int step) { - /* - * Every step equals (1 * 200) / 255 celsius, and finally - * need convert to millicelsius. - */ - return (HISI_TEMP_BASE * 1000 + (step * 200000 / 255)); + return HISI_TEMP_BASE + (step * HISI_TEMP_STEP); } -static inline long _temp_to_step(long temp) +static inline long hisi_thermal_temp_to_step(long temp) { - return ((temp - HISI_TEMP_BASE * 1000) * 255) / 200000; + return (temp - HISI_TEMP_BASE) / HISI_TEMP_STEP; +} + +static inline long hisi_thermal_round_temp(int temp) +{ + return hisi_thermal_step_to_temp( + hisi_thermal_temp_to_step(temp)); } static long hisi_thermal_get_sensor_temp(struct hisi_thermal_data *data, @@ -99,7 +119,7 @@ static long hisi_thermal_get_sensor_temp(struct hisi_thermal_data *data, usleep_range(3000, 5000); val = readl(data->regs + TEMP0_VALUE); - val = _step_to_temp(val); + val = hisi_thermal_step_to_temp(val); mutex_unlock(&data->thermal_lock); @@ -126,10 +146,11 @@ static void hisi_thermal_enable_bind_irq_sensor writel((sensor->id << 12), data->regs + TEMP0_CFG); /* enable for interrupt */ - writel(_temp_to_step(sensor->thres_temp) | 0x0FFFFFF00, + writel(hisi_thermal_temp_to_step(sensor->thres_temp) | 0x0FFFFFF00, data->regs + TEMP0_TH); - writel(_temp_to_step(HISI_TEMP_RESET), data->regs + TEMP0_RST_TH); + writel(hisi_thermal_temp_to_step(HISI_TEMP_RESET), + data->regs + TEMP0_RST_TH); /* enable module */ writel(0x1, data->regs + TEMP0_RST_MSK); @@ -230,7 +251,7 @@ static irqreturn_t hisi_thermal_alarm_irq_thread(int irq, void *dev) sensor = &data->sensors[data->irq_bind_sensor]; dev_crit(&data->pdev->dev, "THERMAL ALARM: T > %d\n", - sensor->thres_temp / 1000); + sensor->thres_temp); mutex_unlock(&data->thermal_lock); for (i = 0; i < HISI_MAX_SENSORS; i++) { @@ -269,7 +290,7 @@ static int hisi_thermal_register_sensor(struct platform_device *pdev, for (i = 0; i < of_thermal_get_ntrips(sensor->tzd); i++) { if (trip[i].type == THERMAL_TRIP_PASSIVE) { - sensor->thres_temp = trip[i].temperature; + sensor->thres_temp = hisi_thermal_round_temp(trip[i].temperature); break; } } @@ -317,15 +338,6 @@ static int hisi_thermal_probe(struct platform_device *pdev) if (data->irq < 0) return data->irq; - ret = devm_request_threaded_irq(&pdev->dev, data->irq, - hisi_thermal_alarm_irq, - hisi_thermal_alarm_irq_thread, - 0, "hisi_thermal", data); - if (ret < 0) { - dev_err(&pdev->dev, "failed to request alarm irq: %d\n", ret); - return ret; - } - platform_set_drvdata(pdev, data); data->clk = devm_clk_get(&pdev->dev, "thermal_clk"); @@ -345,8 +357,7 @@ static int hisi_thermal_probe(struct platform_device *pdev) } hisi_thermal_enable_bind_irq_sensor(data); - irq_get_irqchip_state(data->irq, IRQCHIP_STATE_MASKED, - &data->irq_enabled); + data->irq_enabled = true; for (i = 0; i < HISI_MAX_SENSORS; ++i) { ret = hisi_thermal_register_sensor(pdev, data, @@ -358,6 +369,17 @@ static int hisi_thermal_probe(struct platform_device *pdev) hisi_thermal_toggle_sensor(&data->sensors[i], true); } + ret = devm_request_threaded_irq(&pdev->dev, data->irq, + hisi_thermal_alarm_irq, + hisi_thermal_alarm_irq_thread, + 0, "hisi_thermal", data); + if (ret < 0) { + dev_err(&pdev->dev, "failed to request alarm irq: %d\n", ret); + return ret; + } + + enable_irq(data->irq); + return 0; } @@ -397,8 +419,11 @@ static int hisi_thermal_suspend(struct device *dev) static int hisi_thermal_resume(struct device *dev) { struct hisi_thermal_data *data = dev_get_drvdata(dev); + int ret; - clk_prepare_enable(data->clk); + ret = clk_prepare_enable(data->clk); + if (ret) + return ret; data->irq_enabled = true; hisi_thermal_enable_bind_irq_sensor(data); diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index c7689d05356c..f8a1881609a2 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -594,6 +594,14 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) opts->streaming_maxpacket = clamp(opts->streaming_maxpacket, 1U, 3072U); opts->streaming_maxburst = min(opts->streaming_maxburst, 15U); + /* For SS, wMaxPacketSize has to be 1024 if bMaxBurst is not 0 */ + if (opts->streaming_maxburst && + (opts->streaming_maxpacket % 1024) != 0) { + opts->streaming_maxpacket = roundup(opts->streaming_maxpacket, 1024); + INFO(cdev, "overriding streaming_maxpacket to %d\n", + opts->streaming_maxpacket); + } + /* Fill in the FS/HS/SS Video Streaming specific descriptors from the * module parameters. * diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index a97da645c1b9..8a365aad66fe 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1523,7 +1523,6 @@ static void pch_udc_free_dma_chain(struct pch_udc_dev *dev, td = phys_to_virt(addr); addr2 = (dma_addr_t)td->next; pci_pool_free(dev->data_requests, td, addr); - td->next = 0x00; addr = addr2; } req->chain_len = 1; diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index ca8b0b1ae37d..dec100811946 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -335,6 +335,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match); static struct platform_driver usb_xhci_driver = { .probe = xhci_plat_probe, .remove = xhci_plat_remove, + .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "xhci-hcd", .pm = DEV_PM_OPS, diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c index 65d4a3015542..9f1ec4392209 100644 --- a/drivers/vfio/pci/vfio_pci_config.c +++ b/drivers/vfio/pci/vfio_pci_config.c @@ -851,11 +851,13 @@ static int __init init_pci_cap_exp_perm(struct perm_bits *perm) /* * Allow writes to device control fields, except devctl_phantom, - * which could confuse IOMMU, and the ARI bit in devctl2, which + * which could confuse IOMMU, MPS, which can break communication + * with other physical devices, and the ARI bit in devctl2, which * is set at probe time. FLR gets virtualized via our writefn. */ p_setw(perm, PCI_EXP_DEVCTL, - PCI_EXP_DEVCTL_BCR_FLR, ~PCI_EXP_DEVCTL_PHANTOM); + PCI_EXP_DEVCTL_BCR_FLR | PCI_EXP_DEVCTL_PAYLOAD, + ~PCI_EXP_DEVCTL_PHANTOM); p_setw(perm, PCI_EXP_DEVCTL2, NO_VIRT, ~PCI_EXP_DEVCTL2_ARI); return 0; } diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index e3fad302b4fb..0ec970ca64ce 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -218,6 +218,46 @@ vhost_transport_send_pkt(struct virtio_vsock_pkt *pkt) return len; } +static int +vhost_transport_cancel_pkt(struct vsock_sock *vsk) +{ + struct vhost_vsock *vsock; + struct virtio_vsock_pkt *pkt, *n; + int cnt = 0; + LIST_HEAD(freeme); + + /* Find the vhost_vsock according to guest context id */ + vsock = vhost_vsock_get(vsk->remote_addr.svm_cid); + if (!vsock) + return -ENODEV; + + spin_lock_bh(&vsock->send_pkt_list_lock); + list_for_each_entry_safe(pkt, n, &vsock->send_pkt_list, list) { + if (pkt->vsk != vsk) + continue; + list_move(&pkt->list, &freeme); + } + spin_unlock_bh(&vsock->send_pkt_list_lock); + + list_for_each_entry_safe(pkt, n, &freeme, list) { + if (pkt->reply) + cnt++; + list_del(&pkt->list); + virtio_transport_free_pkt(pkt); + } + + if (cnt) { + struct vhost_virtqueue *tx_vq = &vsock->vqs[VSOCK_VQ_TX]; + int new_cnt; + + new_cnt = atomic_sub_return(cnt, &vsock->queued_replies); + if (new_cnt + cnt >= tx_vq->num && new_cnt < tx_vq->num) + vhost_poll_queue(&tx_vq->poll); + } + + return 0; +} + static struct virtio_vsock_pkt * vhost_vsock_alloc_pkt(struct vhost_virtqueue *vq, unsigned int out, unsigned int in) @@ -669,6 +709,7 @@ static struct virtio_transport vhost_transport = { .release = virtio_transport_release, .connect = virtio_transport_connect, .shutdown = virtio_transport_shutdown, + .cancel_pkt = vhost_transport_cancel_pkt, .dgram_enqueue = virtio_transport_dgram_enqueue, .dgram_dequeue = virtio_transport_dgram_dequeue, diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c index 12614006211e..d95ae092f154 100644 --- a/drivers/video/backlight/pwm_bl.c +++ b/drivers/video/backlight/pwm_bl.c @@ -79,14 +79,17 @@ static void pwm_backlight_power_off(struct pwm_bl_data *pb) static int compute_duty_cycle(struct pwm_bl_data *pb, int brightness) { unsigned int lth = pb->lth_brightness; - int duty_cycle; + u64 duty_cycle; if (pb->levels) duty_cycle = pb->levels[brightness]; else duty_cycle = brightness; - return (duty_cycle * (pb->period - lth) / pb->scale) + lth; + duty_cycle *= pb->period - lth; + do_div(duty_cycle, pb->scale); + + return duty_cycle + lth; } static int pwm_backlight_update_status(struct backlight_device *bl) diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 2c2e6792f7e0..a7c08cc4c1b7 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -241,11 +241,11 @@ static inline void update_stat(struct virtio_balloon *vb, int idx, #define pages_to_bytes(x) ((u64)(x) << PAGE_SHIFT) -static void update_balloon_stats(struct virtio_balloon *vb) +static unsigned int update_balloon_stats(struct virtio_balloon *vb) { unsigned long events[NR_VM_EVENT_ITEMS]; struct sysinfo i; - int idx = 0; + unsigned int idx = 0; long available; all_vm_events(events); @@ -253,18 +253,22 @@ static void update_balloon_stats(struct virtio_balloon *vb) available = si_mem_available(); +#ifdef CONFIG_VM_EVENT_COUNTERS update_stat(vb, idx++, VIRTIO_BALLOON_S_SWAP_IN, pages_to_bytes(events[PSWPIN])); update_stat(vb, idx++, VIRTIO_BALLOON_S_SWAP_OUT, pages_to_bytes(events[PSWPOUT])); update_stat(vb, idx++, VIRTIO_BALLOON_S_MAJFLT, events[PGMAJFAULT]); update_stat(vb, idx++, VIRTIO_BALLOON_S_MINFLT, events[PGFAULT]); +#endif update_stat(vb, idx++, VIRTIO_BALLOON_S_MEMFREE, pages_to_bytes(i.freeram)); update_stat(vb, idx++, VIRTIO_BALLOON_S_MEMTOT, pages_to_bytes(i.totalram)); update_stat(vb, idx++, VIRTIO_BALLOON_S_AVAIL, pages_to_bytes(available)); + + return idx; } /* @@ -290,14 +294,14 @@ static void stats_handle_request(struct virtio_balloon *vb) { struct virtqueue *vq; struct scatterlist sg; - unsigned int len; + unsigned int len, num_stats; - update_balloon_stats(vb); + num_stats = update_balloon_stats(vb); vq = vb->stats_vq; if (!virtqueue_get_buf(vq, &len)) return; - sg_init_one(&sg, vb->stats, sizeof(vb->stats)); + sg_init_one(&sg, vb->stats, sizeof(vb->stats[0]) * num_stats); virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL); virtqueue_kick(vq); } @@ -421,15 +425,16 @@ static int init_vqs(struct virtio_balloon *vb) vb->deflate_vq = vqs[1]; if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) { struct scatterlist sg; + unsigned int num_stats; vb->stats_vq = vqs[2]; /* * Prime this virtqueue with one buffer so the hypervisor can * use it to signal us later (it can't be broken yet!). */ - update_balloon_stats(vb); + num_stats = update_balloon_stats(vb); - sg_init_one(&sg, vb->stats, sizeof vb->stats); + sg_init_one(&sg, vb->stats, sizeof(vb->stats[0]) * num_stats); if (virtqueue_add_outbuf(vb->stats_vq, &sg, 1, vb, GFP_KERNEL) < 0) BUG(); diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 77f9efc1f7aa..9a47b5598df7 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -6196,8 +6196,13 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_) goto out; } + /* + * Check that we don't overflow at later allocations, we request + * clone_sources_count + 1 items, and compare to unsigned long inside + * access_ok. + */ if (arg->clone_sources_count > - ULLONG_MAX / sizeof(*arg->clone_sources)) { + ULONG_MAX / sizeof(struct clone_root) - 1) { ret = -EINVAL; goto out; } diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 3101141661a1..4c4e9358c146 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -68,6 +68,7 @@ struct bpf_verifier_state_list { struct bpf_insn_aux_data { enum bpf_reg_type ptr_type; /* pointer type for load/store insns */ + bool seen; /* this insn was processed by the verifier */ }; #define MAX_USED_MAPS 64 /* max number of maps accessed by one eBPF program */ diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h index 9638bfeb0d1f..584f9a647ad4 100644 --- a/include/linux/virtio_vsock.h +++ b/include/linux/virtio_vsock.h @@ -48,6 +48,8 @@ struct virtio_vsock_pkt { struct virtio_vsock_hdr hdr; struct work_struct work; struct list_head list; + /* socket refcnt not held, only use for cancellation */ + struct vsock_sock *vsk; void *buf; u32 len; u32 off; @@ -56,6 +58,7 @@ struct virtio_vsock_pkt { struct virtio_vsock_pkt_info { u32 remote_cid, remote_port; + struct vsock_sock *vsk; struct msghdr *msg; u32 pkt_len; u16 type; diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h index f2758964ce6f..f32ed9ac181a 100644 --- a/include/net/af_vsock.h +++ b/include/net/af_vsock.h @@ -100,6 +100,9 @@ struct vsock_transport { void (*destruct)(struct vsock_sock *); void (*release)(struct vsock_sock *); + /* Cancel all pending packets sent on vsock. */ + int (*cancel_pkt)(struct vsock_sock *vsk); + /* Connections. */ int (*connect)(struct vsock_sock *); diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 372454aa7f37..8b1ebe4c6aba 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -1790,10 +1790,17 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn) /* case: R = imm * remember the value we stored into this reg */ + u64 imm; + + if (BPF_CLASS(insn->code) == BPF_ALU64) + imm = insn->imm; + else + imm = (u32)insn->imm; + regs[insn->dst_reg].type = CONST_IMM; - regs[insn->dst_reg].imm = insn->imm; - regs[insn->dst_reg].max_value = insn->imm; - regs[insn->dst_reg].min_value = insn->imm; + regs[insn->dst_reg].imm = imm; + regs[insn->dst_reg].max_value = imm; + regs[insn->dst_reg].min_value = imm; } } else if (opcode > BPF_END) { @@ -1861,10 +1868,28 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn) ((BPF_SRC(insn->code) == BPF_X && regs[insn->src_reg].type == CONST_IMM) || BPF_SRC(insn->code) == BPF_K)) { - if (BPF_SRC(insn->code) == BPF_X) + if (BPF_SRC(insn->code) == BPF_X) { + /* check in case the register contains a big + * 64-bit value + */ + if (regs[insn->src_reg].imm < -MAX_BPF_STACK || + regs[insn->src_reg].imm > MAX_BPF_STACK) { + verbose("R%d value too big in R%d pointer arithmetic\n", + insn->src_reg, insn->dst_reg); + return -EACCES; + } dst_reg->imm += regs[insn->src_reg].imm; - else + } else { + /* safe against overflow: addition of 32-bit + * numbers in 64-bit representation + */ dst_reg->imm += insn->imm; + } + if (dst_reg->imm > 0 || dst_reg->imm < -MAX_BPF_STACK) { + verbose("R%d out-of-bounds pointer arithmetic\n", + insn->dst_reg); + return -EACCES; + } return 0; } else if (opcode == BPF_ADD && BPF_CLASS(insn->code) == BPF_ALU64 && @@ -2862,6 +2887,7 @@ static int do_check(struct bpf_verifier_env *env) if (err) return err; + env->insn_aux_data[insn_idx].seen = true; if (class == BPF_ALU || class == BPF_ALU64) { err = check_alu_op(env, insn); if (err) @@ -3059,6 +3085,7 @@ static int do_check(struct bpf_verifier_env *env) return err; insn_idx++; + env->insn_aux_data[insn_idx].seen = true; } else { verbose("invalid BPF_LD mode\n"); return -EINVAL; @@ -3210,6 +3237,63 @@ static void convert_pseudo_ld_imm64(struct bpf_verifier_env *env) insn->src_reg = 0; } +/* single env->prog->insni[off] instruction was replaced with the range + * insni[off, off + cnt). Adjust corresponding insn_aux_data by copying + * [0, off) and [off, end) to new locations, so the patched range stays zero + */ +static int adjust_insn_aux_data(struct bpf_verifier_env *env, u32 prog_len, + u32 off, u32 cnt) +{ + struct bpf_insn_aux_data *new_data, *old_data = env->insn_aux_data; + int i; + + if (cnt == 1) + return 0; + new_data = vzalloc(sizeof(struct bpf_insn_aux_data) * prog_len); + if (!new_data) + return -ENOMEM; + memcpy(new_data, old_data, sizeof(struct bpf_insn_aux_data) * off); + memcpy(new_data + off + cnt - 1, old_data + off, + sizeof(struct bpf_insn_aux_data) * (prog_len - off - cnt + 1)); + for (i = off; i < off + cnt - 1; i++) + new_data[i].seen = true; + env->insn_aux_data = new_data; + vfree(old_data); + return 0; +} + +static struct bpf_prog *bpf_patch_insn_data(struct bpf_verifier_env *env, u32 off, + const struct bpf_insn *patch, u32 len) +{ + struct bpf_prog *new_prog; + + new_prog = bpf_patch_insn_single(env->prog, off, patch, len); + if (!new_prog) + return NULL; + if (adjust_insn_aux_data(env, new_prog->len, off, len)) + return NULL; + return new_prog; +} + +/* The verifier does more data flow analysis than llvm and will not explore + * branches that are dead at run time. Malicious programs can have dead code + * too. Therefore replace all dead at-run-time code with nops. + */ +static void sanitize_dead_code(struct bpf_verifier_env *env) +{ + struct bpf_insn_aux_data *aux_data = env->insn_aux_data; + struct bpf_insn nop = BPF_MOV64_REG(BPF_REG_0, BPF_REG_0); + struct bpf_insn *insn = env->prog->insnsi; + const int insn_cnt = env->prog->len; + int i; + + for (i = 0; i < insn_cnt; i++) { + if (aux_data[i].seen) + continue; + memcpy(insn + i, &nop, sizeof(nop)); + } +} + /* convert load instructions that access fields of 'struct __sk_buff' * into sequence of instructions that access fields of 'struct sk_buff' */ @@ -3229,10 +3313,10 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env) verbose("bpf verifier is misconfigured\n"); return -EINVAL; } else if (cnt) { - new_prog = bpf_patch_insn_single(env->prog, 0, - insn_buf, cnt); + new_prog = bpf_patch_insn_data(env, 0, insn_buf, cnt); if (!new_prog) return -ENOMEM; + env->prog = new_prog; delta += cnt - 1; } @@ -3253,7 +3337,7 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env) else continue; - if (env->insn_aux_data[i].ptr_type != PTR_TO_CTX) + if (env->insn_aux_data[i + delta].ptr_type != PTR_TO_CTX) continue; cnt = ops->convert_ctx_access(type, insn->dst_reg, insn->src_reg, @@ -3263,8 +3347,7 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env) return -EINVAL; } - new_prog = bpf_patch_insn_single(env->prog, i + delta, insn_buf, - cnt); + new_prog = bpf_patch_insn_data(env, i + delta, insn_buf, cnt); if (!new_prog) return -ENOMEM; @@ -3372,6 +3455,9 @@ int bpf_check(struct bpf_prog **prog, union bpf_attr *attr) while (pop_stack(env, NULL) >= 0); free_states(env); + if (ret == 0) + sanitize_dead_code(env); + if (ret == 0) /* program is valid, convert *(u32*)(ctx + off) accesses */ ret = convert_ctx_accesses(env); diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index f3a960ed75a1..0664044ade06 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -449,7 +449,7 @@ static int create_val_field(struct hist_trigger_data *hist_data, } field = trace_find_event_field(file->event_call, field_name); - if (!field) { + if (!field || !field->size) { ret = -EINVAL; goto out; } @@ -547,7 +547,7 @@ static int create_key_field(struct hist_trigger_data *hist_data, } field = trace_find_event_field(file->event_call, field_name); - if (!field) { + if (!field || !field->size) { ret = -EINVAL; goto out; } diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index 0df2aa652530..a7f05f0130e8 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -369,14 +369,16 @@ static struct ctl_table net_core_table[] = { .data = &sysctl_net_busy_poll, .maxlen = sizeof(unsigned int), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_dointvec_minmax, + .extra1 = &zero, }, { .procname = "busy_read", .data = &sysctl_net_busy_read, .maxlen = sizeof(unsigned int), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_dointvec_minmax, + .extra1 = &zero, }, #endif #ifdef CONFIG_NET_SCHED diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index 453db950dc9f..4bf3b8af0257 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -198,6 +198,7 @@ static void ip_expire(unsigned long arg) qp = container_of((struct inet_frag_queue *) arg, struct ipq, q); net = container_of(qp->q.net, struct net, ipv4.frags); + rcu_read_lock(); spin_lock(&qp->q.lock); if (qp->q.flags & INET_FRAG_COMPLETE) @@ -207,7 +208,7 @@ static void ip_expire(unsigned long arg) __IP_INC_STATS(net, IPSTATS_MIB_REASMFAILS); if (!inet_frag_evicting(&qp->q)) { - struct sk_buff *head = qp->q.fragments; + struct sk_buff *clone, *head = qp->q.fragments; const struct iphdr *iph; int err; @@ -216,32 +217,40 @@ static void ip_expire(unsigned long arg) if (!(qp->q.flags & INET_FRAG_FIRST_IN) || !qp->q.fragments) goto out; - rcu_read_lock(); head->dev = dev_get_by_index_rcu(net, qp->iif); if (!head->dev) - goto out_rcu_unlock; + goto out; + /* skb has no dst, perform route lookup again */ iph = ip_hdr(head); err = ip_route_input_noref(head, iph->daddr, iph->saddr, iph->tos, head->dev); if (err) - goto out_rcu_unlock; + goto out; /* Only an end host needs to send an ICMP * "Fragment Reassembly Timeout" message, per RFC792. */ if (frag_expire_skip_icmp(qp->user) && (skb_rtable(head)->rt_type != RTN_LOCAL)) - goto out_rcu_unlock; + goto out; + + clone = skb_clone(head, GFP_ATOMIC); /* Send an ICMP "Fragment Reassembly Timeout" message. */ - icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0); -out_rcu_unlock: - rcu_read_unlock(); + if (clone) { + spin_unlock(&qp->q.lock); + icmp_send(clone, ICMP_TIME_EXCEEDED, + ICMP_EXC_FRAGTIME, 0); + consume_skb(clone); + goto out_rcu_unlock; + } } out: spin_unlock(&qp->q.lock); +out_rcu_unlock: + rcu_read_unlock(); ipq_put(qp); } diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 071a785c65eb..b23464d9c538 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -306,7 +306,7 @@ static void __init ic_close_devs(void) while ((d = next)) { next = d->next; dev = d->dev; - if ((!ic_dev || dev != ic_dev->dev) && !netdev_uses_dsa(dev)) { + if (d != ic_dev && !netdev_uses_dsa(dev)) { pr_debug("IP-Config: Downing %s\n", dev->name); dev_change_flags(dev, d->flags); } diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c index 5a8f7c360887..53e49f5011d3 100644 --- a/net/ipv4/netfilter/nf_nat_snmp_basic.c +++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c @@ -1260,16 +1260,6 @@ static const struct nf_conntrack_expect_policy snmp_exp_policy = { .timeout = 180, }; -static struct nf_conntrack_helper snmp_helper __read_mostly = { - .me = THIS_MODULE, - .help = help, - .expect_policy = &snmp_exp_policy, - .name = "snmp", - .tuple.src.l3num = AF_INET, - .tuple.src.u.udp.port = cpu_to_be16(SNMP_PORT), - .tuple.dst.protonum = IPPROTO_UDP, -}; - static struct nf_conntrack_helper snmp_trap_helper __read_mostly = { .me = THIS_MODULE, .help = help, @@ -1288,17 +1278,10 @@ static struct nf_conntrack_helper snmp_trap_helper __read_mostly = { static int __init nf_nat_snmp_basic_init(void) { - int ret = 0; - BUG_ON(nf_nat_snmp_hook != NULL); RCU_INIT_POINTER(nf_nat_snmp_hook, help); - ret = nf_conntrack_helper_register(&snmp_trap_helper); - if (ret < 0) { - nf_conntrack_helper_unregister(&snmp_helper); - return ret; - } - return ret; + return nf_conntrack_helper_register(&snmp_trap_helper); } static void __exit nf_nat_snmp_basic_fini(void) diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c index 4c4bac1b5eab..3ecb61ee42fb 100644 --- a/net/ipv4/tcp_vegas.c +++ b/net/ipv4/tcp_vegas.c @@ -158,7 +158,7 @@ EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event); static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp) { - return min(tp->snd_ssthresh, tp->snd_cwnd-1); + return min(tp->snd_ssthresh, tp->snd_cwnd); } static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 acked) diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index a4fb90c4819f..1594d9fc9c92 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -286,10 +286,10 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = { .keep_addr_on_down = 0, }; -/* Check if a valid qdisc is available */ -static inline bool addrconf_qdisc_ok(const struct net_device *dev) +/* Check if link is ready: is it up and is a valid qdisc available */ +static inline bool addrconf_link_ready(const struct net_device *dev) { - return !qdisc_tx_is_noop(dev); + return netif_oper_up(dev) && !qdisc_tx_is_noop(dev); } static void addrconf_del_rs_timer(struct inet6_dev *idev) @@ -434,7 +434,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev) ndev->token = in6addr_any; - if (netif_running(dev) && addrconf_qdisc_ok(dev)) + if (netif_running(dev) && addrconf_link_ready(dev)) ndev->if_flags |= IF_READY; ipv6_mc_init_dev(ndev); @@ -3368,7 +3368,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, /* restore routes for permanent addresses */ addrconf_permanent_addr(dev); - if (!addrconf_qdisc_ok(dev)) { + if (!addrconf_link_ready(dev)) { /* device is not ready yet. */ pr_info("ADDRCONF(NETDEV_UP): %s: link is not ready\n", dev->name); @@ -3383,7 +3383,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event, run_pending = 1; } } else if (event == NETDEV_CHANGE) { - if (!addrconf_qdisc_ok(dev)) { + if (!addrconf_link_ready(dev)) { /* device is still not ready. */ break; } diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c index b1fcfa08f0b4..28d065394c09 100644 --- a/net/netfilter/nfnetlink_cthelper.c +++ b/net/netfilter/nfnetlink_cthelper.c @@ -32,6 +32,13 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>"); MODULE_DESCRIPTION("nfnl_cthelper: User-space connection tracking helpers"); +struct nfnl_cthelper { + struct list_head list; + struct nf_conntrack_helper helper; +}; + +static LIST_HEAD(nfnl_cthelper_list); + static int nfnl_userspace_cthelper(struct sk_buff *skb, unsigned int protoff, struct nf_conn *ct, enum ip_conntrack_info ctinfo) @@ -205,18 +212,20 @@ nfnl_cthelper_create(const struct nlattr * const tb[], struct nf_conntrack_tuple *tuple) { struct nf_conntrack_helper *helper; + struct nfnl_cthelper *nfcth; int ret; if (!tb[NFCTH_TUPLE] || !tb[NFCTH_POLICY] || !tb[NFCTH_PRIV_DATA_LEN]) return -EINVAL; - helper = kzalloc(sizeof(struct nf_conntrack_helper), GFP_KERNEL); - if (helper == NULL) + nfcth = kzalloc(sizeof(*nfcth), GFP_KERNEL); + if (nfcth == NULL) return -ENOMEM; + helper = &nfcth->helper; ret = nfnl_cthelper_parse_expect_policy(helper, tb[NFCTH_POLICY]); if (ret < 0) - goto err; + goto err1; strncpy(helper->name, nla_data(tb[NFCTH_NAME]), NF_CT_HELPER_NAME_LEN); helper->data_len = ntohl(nla_get_be32(tb[NFCTH_PRIV_DATA_LEN])); @@ -247,14 +256,100 @@ nfnl_cthelper_create(const struct nlattr * const tb[], ret = nf_conntrack_helper_register(helper); if (ret < 0) - goto err; + goto err2; + list_add_tail(&nfcth->list, &nfnl_cthelper_list); return 0; -err: - kfree(helper); +err2: + kfree(helper->expect_policy); +err1: + kfree(nfcth); return ret; } +static int +nfnl_cthelper_update_policy_one(const struct nf_conntrack_expect_policy *policy, + struct nf_conntrack_expect_policy *new_policy, + const struct nlattr *attr) +{ + struct nlattr *tb[NFCTH_POLICY_MAX + 1]; + int err; + + err = nla_parse_nested(tb, NFCTH_POLICY_MAX, attr, + nfnl_cthelper_expect_pol); + if (err < 0) + return err; + + if (!tb[NFCTH_POLICY_NAME] || + !tb[NFCTH_POLICY_EXPECT_MAX] || + !tb[NFCTH_POLICY_EXPECT_TIMEOUT]) + return -EINVAL; + + if (nla_strcmp(tb[NFCTH_POLICY_NAME], policy->name)) + return -EBUSY; + + new_policy->max_expected = + ntohl(nla_get_be32(tb[NFCTH_POLICY_EXPECT_MAX])); + new_policy->timeout = + ntohl(nla_get_be32(tb[NFCTH_POLICY_EXPECT_TIMEOUT])); + + return 0; +} + +static int nfnl_cthelper_update_policy_all(struct nlattr *tb[], + struct nf_conntrack_helper *helper) +{ + struct nf_conntrack_expect_policy new_policy[helper->expect_class_max + 1]; + struct nf_conntrack_expect_policy *policy; + int i, err; + + /* Check first that all policy attributes are well-formed, so we don't + * leave things in inconsistent state on errors. + */ + for (i = 0; i < helper->expect_class_max + 1; i++) { + + if (!tb[NFCTH_POLICY_SET + i]) + return -EINVAL; + + err = nfnl_cthelper_update_policy_one(&helper->expect_policy[i], + &new_policy[i], + tb[NFCTH_POLICY_SET + i]); + if (err < 0) + return err; + } + /* Now we can safely update them. */ + for (i = 0; i < helper->expect_class_max + 1; i++) { + policy = (struct nf_conntrack_expect_policy *) + &helper->expect_policy[i]; + policy->max_expected = new_policy->max_expected; + policy->timeout = new_policy->timeout; + } + + return 0; +} + +static int nfnl_cthelper_update_policy(struct nf_conntrack_helper *helper, + const struct nlattr *attr) +{ + struct nlattr *tb[NFCTH_POLICY_SET_MAX + 1]; + unsigned int class_max; + int err; + + err = nla_parse_nested(tb, NFCTH_POLICY_SET_MAX, attr, + nfnl_cthelper_expect_policy_set); + if (err < 0) + return err; + + if (!tb[NFCTH_POLICY_SET_NUM]) + return -EINVAL; + + class_max = ntohl(nla_get_be32(tb[NFCTH_POLICY_SET_NUM])); + if (helper->expect_class_max + 1 != class_max) + return -EBUSY; + + return nfnl_cthelper_update_policy_all(tb, helper); +} + static int nfnl_cthelper_update(const struct nlattr * const tb[], struct nf_conntrack_helper *helper) @@ -265,8 +360,7 @@ nfnl_cthelper_update(const struct nlattr * const tb[], return -EBUSY; if (tb[NFCTH_POLICY]) { - ret = nfnl_cthelper_parse_expect_policy(helper, - tb[NFCTH_POLICY]); + ret = nfnl_cthelper_update_policy(helper, tb[NFCTH_POLICY]); if (ret < 0) return ret; } @@ -295,7 +389,8 @@ static int nfnl_cthelper_new(struct net *net, struct sock *nfnl, const char *helper_name; struct nf_conntrack_helper *cur, *helper = NULL; struct nf_conntrack_tuple tuple; - int ret = 0, i; + struct nfnl_cthelper *nlcth; + int ret = 0; if (!tb[NFCTH_NAME] || !tb[NFCTH_TUPLE]) return -EINVAL; @@ -306,31 +401,22 @@ static int nfnl_cthelper_new(struct net *net, struct sock *nfnl, if (ret < 0) return ret; - rcu_read_lock(); - for (i = 0; i < nf_ct_helper_hsize && !helper; i++) { - hlist_for_each_entry_rcu(cur, &nf_ct_helper_hash[i], hnode) { + list_for_each_entry(nlcth, &nfnl_cthelper_list, list) { + cur = &nlcth->helper; - /* skip non-userspace conntrack helpers. */ - if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) - continue; + if (strncmp(cur->name, helper_name, NF_CT_HELPER_NAME_LEN)) + continue; - if (strncmp(cur->name, helper_name, - NF_CT_HELPER_NAME_LEN) != 0) - continue; + if ((tuple.src.l3num != cur->tuple.src.l3num || + tuple.dst.protonum != cur->tuple.dst.protonum)) + continue; - if ((tuple.src.l3num != cur->tuple.src.l3num || - tuple.dst.protonum != cur->tuple.dst.protonum)) - continue; + if (nlh->nlmsg_flags & NLM_F_EXCL) + return -EEXIST; - if (nlh->nlmsg_flags & NLM_F_EXCL) { - ret = -EEXIST; - goto err; - } - helper = cur; - break; - } + helper = cur; + break; } - rcu_read_unlock(); if (helper == NULL) ret = nfnl_cthelper_create(tb, &tuple); @@ -338,9 +424,6 @@ static int nfnl_cthelper_new(struct net *net, struct sock *nfnl, ret = nfnl_cthelper_update(tb, helper); return ret; -err: - rcu_read_unlock(); - return ret; } static int @@ -504,11 +587,12 @@ static int nfnl_cthelper_get(struct net *net, struct sock *nfnl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const tb[]) { - int ret = -ENOENT, i; + int ret = -ENOENT; struct nf_conntrack_helper *cur; struct sk_buff *skb2; char *helper_name = NULL; struct nf_conntrack_tuple tuple; + struct nfnl_cthelper *nlcth; bool tuple_set = false; if (nlh->nlmsg_flags & NLM_F_DUMP) { @@ -529,45 +613,39 @@ static int nfnl_cthelper_get(struct net *net, struct sock *nfnl, tuple_set = true; } - for (i = 0; i < nf_ct_helper_hsize; i++) { - hlist_for_each_entry_rcu(cur, &nf_ct_helper_hash[i], hnode) { + list_for_each_entry(nlcth, &nfnl_cthelper_list, list) { + cur = &nlcth->helper; + if (helper_name && + strncmp(cur->name, helper_name, NF_CT_HELPER_NAME_LEN)) + continue; - /* skip non-userspace conntrack helpers. */ - if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) - continue; + if (tuple_set && + (tuple.src.l3num != cur->tuple.src.l3num || + tuple.dst.protonum != cur->tuple.dst.protonum)) + continue; - if (helper_name && strncmp(cur->name, helper_name, - NF_CT_HELPER_NAME_LEN) != 0) { - continue; - } - if (tuple_set && - (tuple.src.l3num != cur->tuple.src.l3num || - tuple.dst.protonum != cur->tuple.dst.protonum)) - continue; - - skb2 = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (skb2 == NULL) { - ret = -ENOMEM; - break; - } + skb2 = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (skb2 == NULL) { + ret = -ENOMEM; + break; + } - ret = nfnl_cthelper_fill_info(skb2, NETLINK_CB(skb).portid, - nlh->nlmsg_seq, - NFNL_MSG_TYPE(nlh->nlmsg_type), - NFNL_MSG_CTHELPER_NEW, cur); - if (ret <= 0) { - kfree_skb(skb2); - break; - } + ret = nfnl_cthelper_fill_info(skb2, NETLINK_CB(skb).portid, + nlh->nlmsg_seq, + NFNL_MSG_TYPE(nlh->nlmsg_type), + NFNL_MSG_CTHELPER_NEW, cur); + if (ret <= 0) { + kfree_skb(skb2); + break; + } - ret = netlink_unicast(nfnl, skb2, NETLINK_CB(skb).portid, - MSG_DONTWAIT); - if (ret > 0) - ret = 0; + ret = netlink_unicast(nfnl, skb2, NETLINK_CB(skb).portid, + MSG_DONTWAIT); + if (ret > 0) + ret = 0; - /* this avoids a loop in nfnetlink. */ - return ret == -EAGAIN ? -ENOBUFS : ret; - } + /* this avoids a loop in nfnetlink. */ + return ret == -EAGAIN ? -ENOBUFS : ret; } return ret; } @@ -578,10 +656,10 @@ static int nfnl_cthelper_del(struct net *net, struct sock *nfnl, { char *helper_name = NULL; struct nf_conntrack_helper *cur; - struct hlist_node *tmp; struct nf_conntrack_tuple tuple; bool tuple_set = false, found = false; - int i, j = 0, ret; + struct nfnl_cthelper *nlcth, *n; + int j = 0, ret; if (tb[NFCTH_NAME]) helper_name = nla_data(tb[NFCTH_NAME]); @@ -594,28 +672,27 @@ static int nfnl_cthelper_del(struct net *net, struct sock *nfnl, tuple_set = true; } - for (i = 0; i < nf_ct_helper_hsize; i++) { - hlist_for_each_entry_safe(cur, tmp, &nf_ct_helper_hash[i], - hnode) { - /* skip non-userspace conntrack helpers. */ - if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) - continue; + list_for_each_entry_safe(nlcth, n, &nfnl_cthelper_list, list) { + cur = &nlcth->helper; + j++; - j++; + if (helper_name && + strncmp(cur->name, helper_name, NF_CT_HELPER_NAME_LEN)) + continue; - if (helper_name && strncmp(cur->name, helper_name, - NF_CT_HELPER_NAME_LEN) != 0) { - continue; - } - if (tuple_set && - (tuple.src.l3num != cur->tuple.src.l3num || - tuple.dst.protonum != cur->tuple.dst.protonum)) - continue; + if (tuple_set && + (tuple.src.l3num != cur->tuple.src.l3num || + tuple.dst.protonum != cur->tuple.dst.protonum)) + continue; - found = true; - nf_conntrack_helper_unregister(cur); - } + found = true; + nf_conntrack_helper_unregister(cur); + kfree(cur->expect_policy); + + list_del(&nlcth->list); + kfree(nlcth); } + /* Make sure we return success if we flush and there is no helpers */ return (found || j == 0) ? 0 : -ENOENT; } @@ -664,20 +741,16 @@ static int __init nfnl_cthelper_init(void) static void __exit nfnl_cthelper_exit(void) { struct nf_conntrack_helper *cur; - struct hlist_node *tmp; - int i; + struct nfnl_cthelper *nlcth, *n; nfnetlink_subsys_unregister(&nfnl_cthelper_subsys); - for (i=0; i<nf_ct_helper_hsize; i++) { - hlist_for_each_entry_safe(cur, tmp, &nf_ct_helper_hash[i], - hnode) { - /* skip non-userspace conntrack helpers. */ - if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) - continue; + list_for_each_entry_safe(nlcth, n, &nfnl_cthelper_list, list) { + cur = &nlcth->helper; - nf_conntrack_helper_unregister(cur); - } + nf_conntrack_helper_unregister(cur); + kfree(cur->expect_policy); + kfree(nlcth); } } diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index af832c526048..5efb40291ac3 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -443,7 +443,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, skb = alloc_skb(size, GFP_ATOMIC); if (!skb) { skb_tx_error(entskb); - return NULL; + goto nlmsg_failure; } nlh = nlmsg_put(skb, 0, 0, @@ -452,7 +452,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, if (!nlh) { skb_tx_error(entskb); kfree_skb(skb); - return NULL; + goto nlmsg_failure; } nfmsg = nlmsg_data(nlh); nfmsg->nfgen_family = entry->state.pf; @@ -598,12 +598,17 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, } nlh->nlmsg_len = skb->len; + if (seclen) + security_release_secctx(secdata, seclen); return skb; nla_put_failure: skb_tx_error(entskb); kfree_skb(skb); net_err_ratelimited("nf_queue: error creating packet message\n"); +nlmsg_failure: + if (seclen) + security_release_secctx(secdata, seclen); return NULL; } diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index c9fac08a53b1..1ff497bd9c20 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -96,6 +96,44 @@ EXPORT_SYMBOL_GPL(nl_table); static DECLARE_WAIT_QUEUE_HEAD(nl_table_wait); +static struct lock_class_key nlk_cb_mutex_keys[MAX_LINKS]; + +static const char *const nlk_cb_mutex_key_strings[MAX_LINKS + 1] = { + "nlk_cb_mutex-ROUTE", + "nlk_cb_mutex-1", + "nlk_cb_mutex-USERSOCK", + "nlk_cb_mutex-FIREWALL", + "nlk_cb_mutex-SOCK_DIAG", + "nlk_cb_mutex-NFLOG", + "nlk_cb_mutex-XFRM", + "nlk_cb_mutex-SELINUX", + "nlk_cb_mutex-ISCSI", + "nlk_cb_mutex-AUDIT", + "nlk_cb_mutex-FIB_LOOKUP", + "nlk_cb_mutex-CONNECTOR", + "nlk_cb_mutex-NETFILTER", + "nlk_cb_mutex-IP6_FW", + "nlk_cb_mutex-DNRTMSG", + "nlk_cb_mutex-KOBJECT_UEVENT", + "nlk_cb_mutex-GENERIC", + "nlk_cb_mutex-17", + "nlk_cb_mutex-SCSITRANSPORT", + "nlk_cb_mutex-ECRYPTFS", + "nlk_cb_mutex-RDMA", + "nlk_cb_mutex-CRYPTO", + "nlk_cb_mutex-SMC", + "nlk_cb_mutex-23", + "nlk_cb_mutex-24", + "nlk_cb_mutex-25", + "nlk_cb_mutex-26", + "nlk_cb_mutex-27", + "nlk_cb_mutex-28", + "nlk_cb_mutex-29", + "nlk_cb_mutex-30", + "nlk_cb_mutex-31", + "nlk_cb_mutex-MAX_LINKS" +}; + static int netlink_dump(struct sock *sk); static void netlink_skb_destructor(struct sk_buff *skb); @@ -585,6 +623,9 @@ static int __netlink_create(struct net *net, struct socket *sock, } else { nlk->cb_mutex = &nlk->cb_def_mutex; mutex_init(nlk->cb_mutex); + lockdep_set_class_and_name(nlk->cb_mutex, + nlk_cb_mutex_keys + protocol, + nlk_cb_mutex_key_strings[protocol]); } init_waitqueue_head(&nlk->wait); diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index 1308bbf460f7..b56d57984439 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -200,9 +200,13 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch, pr_debug("%s(skb %p,sch %p,[qdisc %p])\n", __func__, skb, sch, p); if (p->set_tc_index) { + int wlen = skb_network_offset(skb); + switch (tc_skb_protocol(skb)) { case htons(ETH_P_IP): - if (skb_cow_head(skb, sizeof(struct iphdr))) + wlen += sizeof(struct iphdr); + if (!pskb_may_pull(skb, wlen) || + skb_try_make_writable(skb, wlen)) goto drop; skb->tc_index = ipv4_get_dsfield(ip_hdr(skb)) @@ -210,7 +214,9 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch, break; case htons(ETH_P_IPV6): - if (skb_cow_head(skb, sizeof(struct ipv6hdr))) + wlen += sizeof(struct ipv6hdr); + if (!pskb_may_pull(skb, wlen) || + skb_try_make_writable(skb, wlen)) goto drop; skb->tc_index = ipv6_get_dsfield(ipv6_hdr(skb)) diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 582585393d35..0994ce491e7c 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -382,17 +382,18 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc, } static int sctp_prsctp_prune_unsent(struct sctp_association *asoc, - struct sctp_sndrcvinfo *sinfo, - struct list_head *queue, int msg_len) + struct sctp_sndrcvinfo *sinfo, int msg_len) { + struct sctp_outq *q = &asoc->outqueue; struct sctp_chunk *chk, *temp; - list_for_each_entry_safe(chk, temp, queue, list) { + list_for_each_entry_safe(chk, temp, &q->out_chunk_list, list) { if (!SCTP_PR_PRIO_ENABLED(chk->sinfo.sinfo_flags) || chk->sinfo.sinfo_timetolive <= sinfo->sinfo_timetolive) continue; list_del_init(&chk->list); + q->out_qlen -= chk->skb->len; asoc->sent_cnt_removable--; asoc->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++; @@ -431,9 +432,7 @@ void sctp_prsctp_prune(struct sctp_association *asoc, return; } - sctp_prsctp_prune_unsent(asoc, sinfo, - &asoc->outqueue.out_chunk_list, - msg_len); + sctp_prsctp_prune_unsent(asoc, sinfo, msg_len); } /* Mark all the eligible packets on a transport for retransmission. */ diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index 9d94e65d0894..271cd66e4b3b 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -141,6 +141,11 @@ void tipc_subscrp_report_overlap(struct tipc_subscription *sub, u32 found_lower, static void tipc_subscrp_timeout(unsigned long data) { struct tipc_subscription *sub = (struct tipc_subscription *)data; + struct tipc_subscriber *subscriber = sub->subscriber; + + spin_lock_bh(&subscriber->lock); + tipc_nametbl_unsubscribe(sub); + spin_unlock_bh(&subscriber->lock); /* Notify subscriber of timeout */ tipc_subscrp_send_event(sub, sub->evt.s.seq.lower, sub->evt.s.seq.upper, @@ -173,7 +178,6 @@ static void tipc_subscrp_kref_release(struct kref *kref) struct tipc_subscriber *subscriber = sub->subscriber; spin_lock_bh(&subscriber->lock); - tipc_nametbl_unsubscribe(sub); list_del(&sub->subscrp_list); atomic_dec(&tn->subscription_count); spin_unlock_bh(&subscriber->lock); @@ -205,6 +209,7 @@ static void tipc_subscrb_subscrp_delete(struct tipc_subscriber *subscriber, if (s && memcmp(s, &sub->evt.s, sizeof(struct tipc_subscr))) continue; + tipc_nametbl_unsubscribe(sub); tipc_subscrp_get(sub); spin_unlock_bh(&subscriber->lock); tipc_subscrp_delete(sub); diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 2f633eec6b7a..ee12e176256c 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1101,10 +1101,19 @@ static const struct proto_ops vsock_dgram_ops = { .sendpage = sock_no_sendpage, }; +static int vsock_transport_cancel_pkt(struct vsock_sock *vsk) +{ + if (!transport->cancel_pkt) + return -EOPNOTSUPP; + + return transport->cancel_pkt(vsk); +} + static void vsock_connect_timeout(struct work_struct *work) { struct sock *sk; struct vsock_sock *vsk; + int cancel = 0; vsk = container_of(work, struct vsock_sock, dwork.work); sk = sk_vsock(vsk); @@ -1115,8 +1124,11 @@ static void vsock_connect_timeout(struct work_struct *work) sk->sk_state = SS_UNCONNECTED; sk->sk_err = ETIMEDOUT; sk->sk_error_report(sk); + cancel = 1; } release_sock(sk); + if (cancel) + vsock_transport_cancel_pkt(vsk); sock_put(sk); } @@ -1223,11 +1235,13 @@ static int vsock_stream_connect(struct socket *sock, struct sockaddr *addr, err = sock_intr_errno(timeout); sk->sk_state = SS_UNCONNECTED; sock->state = SS_UNCONNECTED; + vsock_transport_cancel_pkt(vsk); goto out_wait; } else if (timeout == 0) { err = -ETIMEDOUT; sk->sk_state = SS_UNCONNECTED; sock->state = SS_UNCONNECTED; + vsock_transport_cancel_pkt(vsk); goto out_wait; } diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 62c056ea403b..9c07c76c504d 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -57,6 +57,7 @@ virtio_transport_alloc_pkt(struct virtio_vsock_pkt_info *info, pkt->len = len; pkt->hdr.len = cpu_to_le32(len); pkt->reply = info->reply; + pkt->vsk = info->vsk; if (info->msg && len > 0) { pkt->buf = kmalloc(len, GFP_KERNEL); @@ -180,6 +181,7 @@ static int virtio_transport_send_credit_update(struct vsock_sock *vsk, struct virtio_vsock_pkt_info info = { .op = VIRTIO_VSOCK_OP_CREDIT_UPDATE, .type = type, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -519,6 +521,7 @@ int virtio_transport_connect(struct vsock_sock *vsk) struct virtio_vsock_pkt_info info = { .op = VIRTIO_VSOCK_OP_REQUEST, .type = VIRTIO_VSOCK_TYPE_STREAM, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -534,6 +537,7 @@ int virtio_transport_shutdown(struct vsock_sock *vsk, int mode) VIRTIO_VSOCK_SHUTDOWN_RCV : 0) | (mode & SEND_SHUTDOWN ? VIRTIO_VSOCK_SHUTDOWN_SEND : 0), + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -560,6 +564,7 @@ virtio_transport_stream_enqueue(struct vsock_sock *vsk, .type = VIRTIO_VSOCK_TYPE_STREAM, .msg = msg, .pkt_len = len, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -581,6 +586,7 @@ static int virtio_transport_reset(struct vsock_sock *vsk, .op = VIRTIO_VSOCK_OP_RST, .type = VIRTIO_VSOCK_TYPE_STREAM, .reply = !!pkt, + .vsk = vsk, }; /* Send RST only if the original pkt is not a RST pkt */ @@ -826,6 +832,7 @@ virtio_transport_send_response(struct vsock_sock *vsk, .remote_cid = le64_to_cpu(pkt->hdr.src_cid), .remote_port = le32_to_cpu(pkt->hdr.src_port), .reply = true, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index f2e4e99ce651..2c3065c1f3fb 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -261,6 +261,7 @@ enum { CXT_FIXUP_HP_530, CXT_FIXUP_CAP_MIX_AMP_5047, CXT_FIXUP_MUTE_LED_EAPD, + CXT_FIXUP_HP_DOCK, CXT_FIXUP_HP_SPECTRE, CXT_FIXUP_HP_GATE_MIC, }; @@ -778,6 +779,14 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_mute_led_eapd, }, + [CXT_FIXUP_HP_DOCK] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x16, 0x21011020 }, /* line-out */ + { 0x18, 0x2181103f }, /* line-in */ + { } + } + }, [CXT_FIXUP_HP_SPECTRE] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { @@ -839,6 +848,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC), SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC), + SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE), SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC), SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN), @@ -872,6 +882,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = { { .id = CXT_PINCFG_LEMOTE_A1205, .name = "lemote-a1205" }, { .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" }, { .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" }, + { .id = CXT_FIXUP_HP_DOCK, .name = "hp-dock" }, {} }; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index d7fa7373cb94..ba40596b9d92 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4854,6 +4854,7 @@ enum { ALC286_FIXUP_HP_GPIO_LED, ALC280_FIXUP_HP_GPIO2_MIC_HOTKEY, ALC280_FIXUP_HP_DOCK_PINS, + ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED, ALC280_FIXUP_HP_9480M, ALC288_FIXUP_DELL_HEADSET_MODE, ALC288_FIXUP_DELL1_MIC_NO_PRESENCE, @@ -5394,6 +5395,16 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC280_FIXUP_HP_GPIO4 }, + [ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x1b, 0x21011020 }, /* line-out */ + { 0x18, 0x2181103f }, /* line-in */ + { }, + }, + .chained = true, + .chain_id = ALC269_FIXUP_HP_GPIO_MIC1_LED + }, [ALC280_FIXUP_HP_9480M] = { .type = HDA_FIXUP_FUNC, .v.func = alc280_fixup_hp_9480m, @@ -5646,7 +5657,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x2256, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2257, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2259, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), - SND_PCI_QUIRK(0x103c, 0x225a, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), + SND_PCI_QUIRK(0x103c, 0x225a, "HP", ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2260, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x2263, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x2264, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), @@ -5812,6 +5823,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, .name = "headset-mode-no-hp-mic"}, {.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"}, {.id = ALC269_FIXUP_HP_GPIO_LED, .name = "hp-gpio-led"}, + {.id = ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED, .name = "hp-dock-gpio-mic1-led"}, {.id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "dell-headset-multi"}, {.id = ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, .name = "dell-headset-dock"}, {.id = ALC283_FIXUP_CHROME_BOOK, .name = "alc283-dac-wcaps"}, diff --git a/sound/soc/img/img-parallel-out.c b/sound/soc/img/img-parallel-out.c index c1610a054d65..3cf522d66755 100644 --- a/sound/soc/img/img-parallel-out.c +++ b/sound/soc/img/img-parallel-out.c @@ -166,9 +166,11 @@ static int img_prl_out_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) return -EINVAL; } + pm_runtime_get_sync(prl->dev); reg = img_prl_out_readl(prl, IMG_PRL_OUT_CTL); reg = (reg & ~IMG_PRL_OUT_CTL_EDGE_MASK) | control_set; img_prl_out_writel(prl, reg, IMG_PRL_OUT_CTL); + pm_runtime_put(prl->dev); return 0; } diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index 0e1c3ee56675..9735b4caaed3 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -364,6 +364,8 @@ static int uni_reader_startup(struct snd_pcm_substream *substream, struct uniperif *reader = priv->dai_data.uni; int ret; + reader->substream = substream; + if (!UNIPERIF_TYPE_IS_TDM(reader)) return 0; @@ -393,6 +395,7 @@ static void uni_reader_shutdown(struct snd_pcm_substream *substream, /* Stop the reader */ uni_reader_stop(reader); } + reader->substream = NULL; } static const struct snd_soc_dai_ops uni_reader_dai_ops = { diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 4569fdcab701..1b20768e781d 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -1060,7 +1060,7 @@ int __kvm_set_memory_region(struct kvm *kvm, * changes) is disallowed above, so any other attribute changes getting * here can be skipped. */ - if ((change == KVM_MR_CREATE) || (change == KVM_MR_MOVE)) { + if (as_id == 0 && (change == KVM_MR_CREATE || change == KVM_MR_MOVE)) { r = kvm_iommu_map_pages(kvm, &new); return r; } @@ -3904,7 +3904,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, if (!vcpu_align) vcpu_align = __alignof__(struct kvm_vcpu); kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size, vcpu_align, - 0, NULL); + SLAB_ACCOUNT, NULL); if (!kvm_vcpu_cache) { r = -ENOMEM; goto out_free_3;