diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 16607b178b47..a855f83defa6 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5117,6 +5117,10 @@
the unplug protocol
never -- do not unplug even if version check succeeds
+ xen_legacy_crash [X86,XEN]
+ Crash from Xen panic notifier, without executing late
+ panic() code such as dumping handler.
+
xen_nopvspin [X86,XEN]
Disables the ticketlock slowpath using Xen PV
optimizations.
diff --git a/Makefile b/Makefile
index 3c146e8d93dc..6af1c13d8753 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
-SUBLEVEL = 81
+SUBLEVEL = 82
EXTRAVERSION =
NAME = "People's Front"
diff --git a/arch/arm/kernel/head-common.S b/arch/arm/kernel/head-common.S
index 997b02302c31..9328f2010bc1 100644
--- a/arch/arm/kernel/head-common.S
+++ b/arch/arm/kernel/head-common.S
@@ -72,7 +72,7 @@ ENDPROC(__vet_atags)
* The following fragment of code is executed with the MMU on in MMU mode,
* and uses absolute addresses; this is not position independent.
*
- * r0 = cp#15 control register
+ * r0 = cp#15 control register (exc_ret for M-class)
* r1 = machine ID
* r2 = atags/dtb pointer
* r9 = processor ID
@@ -141,7 +141,8 @@ __mmap_switched_data:
#ifdef CONFIG_CPU_CP15
.long cr_alignment @ r3
#else
- .long 0 @ r3
+M_CLASS(.long exc_ret) @ r3
+AR_CLASS(.long 0) @ r3
#endif
.size __mmap_switched_data, . - __mmap_switched_data
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index cab89479d15e..326a97aa3ea0 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -205,6 +205,8 @@ M_CLASS(streq r3, [r12, #PMSAv8_MAIR1])
bic r0, r0, #V7M_SCB_CCR_IC
#endif
str r0, [r12, V7M_SCB_CCR]
+ /* Pass exc_ret to __mmap_switched */
+ mov r0, r10
#endif /* CONFIG_CPU_CP15 elif CONFIG_CPU_V7M */
ret lr
ENDPROC(__after_proc_init)
diff --git a/arch/arm/mm/proc-v7m.S b/arch/arm/mm/proc-v7m.S
index 92e84181933a..59d82864c134 100644
--- a/arch/arm/mm/proc-v7m.S
+++ b/arch/arm/mm/proc-v7m.S
@@ -139,9 +139,8 @@ __v7m_setup_cont:
cpsie i
svc #0
1: cpsid i
- ldr r0, =exc_ret
- orr lr, lr, #EXC_RET_THREADMODE_PROCESSSTACK
- str lr, [r0]
+ /* Calculate exc_ret */
+ orr r10, lr, #EXC_RET_THREADMODE_PROCESSSTACK
ldmia sp, {r0-r3, r12}
str r5, [r12, #11 * 4] @ restore the original SVC vector entry
mov lr, r6 @ restore LR
diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h
index 9b7d5abd04af..fa770c070fdd 100644
--- a/arch/arm64/include/asm/cputype.h
+++ b/arch/arm64/include/asm/cputype.h
@@ -68,6 +68,7 @@
#define ARM_CPU_IMP_BRCM 0x42
#define ARM_CPU_IMP_QCOM 0x51
#define ARM_CPU_IMP_NVIDIA 0x4E
+#define ARM_CPU_IMP_HISI 0x48
#define ARM_CPU_PART_AEM_V8 0xD0F
#define ARM_CPU_PART_FOUNDATION 0xD00
@@ -96,6 +97,8 @@
#define NVIDIA_CPU_PART_DENVER 0x003
#define NVIDIA_CPU_PART_CARMEL 0x004
+#define HISI_CPU_PART_TSV110 0xD01
+
#define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
#define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
#define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72)
@@ -114,6 +117,7 @@
#define MIDR_QCOM_KRYO MIDR_CPU_MODEL(ARM_CPU_IMP_QCOM, QCOM_CPU_PART_KRYO)
#define MIDR_NVIDIA_DENVER MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_DENVER)
#define MIDR_NVIDIA_CARMEL MIDR_CPU_MODEL(ARM_CPU_IMP_NVIDIA, NVIDIA_CPU_PART_CARMEL)
+#define MIDR_HISI_TSV110 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_TSV110)
#ifndef __ASSEMBLY__
diff --git a/arch/arm64/include/asm/pgtable-prot.h b/arch/arm64/include/asm/pgtable-prot.h
index 78b942c1bea4..e060c2746f36 100644
--- a/arch/arm64/include/asm/pgtable-prot.h
+++ b/arch/arm64/include/asm/pgtable-prot.h
@@ -43,11 +43,11 @@
#define PROT_DEFAULT (_PROT_DEFAULT | PTE_MAYBE_NG)
#define PROT_SECT_DEFAULT (_PROT_SECT_DEFAULT | PMD_MAYBE_NG)
-#define PROT_DEVICE_nGnRnE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRnE))
-#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRE))
-#define PROT_NORMAL_NC (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_NC))
-#define PROT_NORMAL_WT (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_WT))
-#define PROT_NORMAL (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_DIRTY | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL))
+#define PROT_DEVICE_nGnRnE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRnE))
+#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_DEVICE_nGnRE))
+#define PROT_NORMAL_NC (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_NC))
+#define PROT_NORMAL_WT (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL_WT))
+#define PROT_NORMAL (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_WRITE | PTE_ATTRINDX(MT_NORMAL))
#define PROT_SECT_DEVICE_nGnRE (PROT_SECT_DEFAULT | PMD_SECT_PXN | PMD_SECT_UXN | PMD_ATTRINDX(MT_DEVICE_nGnRE))
#define PROT_SECT_NORMAL (PROT_SECT_DEFAULT | PMD_SECT_PXN | PMD_SECT_UXN | PMD_ATTRINDX(MT_NORMAL))
@@ -91,8 +91,9 @@
#define PAGE_S2_DEVICE __pgprot(_PROT_DEFAULT | PAGE_S2_MEMATTR(DEVICE_nGnRE) | PTE_S2_RDONLY | PAGE_S2_XN)
#define PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_VALID) | PTE_PROT_NONE | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN)
-#define PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
-#define PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_WRITE)
+/* shared+writable pages are clean by default, hence PTE_RDONLY|PTE_WRITE */
+#define PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN | PTE_WRITE)
+#define PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_WRITE)
#define PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN | PTE_UXN)
#define PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_RDONLY | PTE_NG | PTE_PXN)
#define PAGE_EXECONLY __pgprot(_PAGE_DEFAULT | PTE_RDONLY | PTE_NG | PTE_PXN)
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index 92be1d12d590..39dc98dd78eb 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -177,6 +177,9 @@ static void __init register_insn_emulation(struct insn_emulation_ops *ops)
struct insn_emulation *insn;
insn = kzalloc(sizeof(*insn), GFP_KERNEL);
+ if (!insn)
+ return;
+
insn->ops = ops;
insn->min = INSN_UNDEF;
@@ -236,6 +239,8 @@ static void __init register_insn_emulation_sysctl(void)
insns_sysctl = kcalloc(nr_insn_emulated + 1, sizeof(*sysctl),
GFP_KERNEL);
+ if (!insns_sysctl)
+ return;
raw_spin_lock_irqsave(&insn_emulation_lock, flags);
list_for_each_entry(insn, &insn_emulation, node) {
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index ff5beb59b3dc..220ebfa0ece6 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -906,6 +906,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry,
MIDR_ALL_VERSIONS(MIDR_CORTEX_A57),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A72),
MIDR_ALL_VERSIONS(MIDR_CORTEX_A73),
+ MIDR_ALL_VERSIONS(MIDR_HISI_TSV110),
{ /* sentinel */ }
};
char const *str = "kpti command line option";
diff --git a/arch/arm64/kernel/ftrace.c b/arch/arm64/kernel/ftrace.c
index 7eff8afa035f..b6618391be8c 100644
--- a/arch/arm64/kernel/ftrace.c
+++ b/arch/arm64/kernel/ftrace.c
@@ -119,10 +119,16 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
/*
* Ensure updated trampoline is visible to instruction
- * fetch before we patch in the branch.
+ * fetch before we patch in the branch. Although the
+ * architecture doesn't require an IPI in this case,
+ * Neoverse-N1 erratum #1542419 does require one
+ * if the TLB maintenance in module_enable_ro() is
+ * skipped due to rodata_enabled. It doesn't seem worth
+ * it to make it conditional given that this is
+ * certainly not a fast-path.
*/
- __flush_icache_range((unsigned long)&dst[0],
- (unsigned long)&dst[1]);
+ flush_icache_range((unsigned long)&dst[0],
+ (unsigned long)&dst[1]);
}
addr = (unsigned long)dst;
#else /* CONFIG_ARM64_MODULE_PLTS */
diff --git a/arch/mips/fw/sni/sniprom.c b/arch/mips/fw/sni/sniprom.c
index 8772617b64ce..80112f2298b6 100644
--- a/arch/mips/fw/sni/sniprom.c
+++ b/arch/mips/fw/sni/sniprom.c
@@ -43,7 +43,7 @@
/* O32 stack has to be 8-byte aligned. */
static u64 o32_stk[4096];
-#define O32_STK &o32_stk[sizeof(o32_stk)]
+#define O32_STK (&o32_stk[ARRAY_SIZE(o32_stk)])
#define __PROM_O32(fun, arg) fun arg __asm__(#fun); \
__asm__(#fun " = call_o32")
diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h
index 89e9fb7976fe..520ca166cbed 100644
--- a/arch/mips/include/asm/cmpxchg.h
+++ b/arch/mips/include/asm/cmpxchg.h
@@ -73,8 +73,8 @@ extern unsigned long __xchg_called_with_bad_pointer(void)
extern unsigned long __xchg_small(volatile void *ptr, unsigned long val,
unsigned int size);
-static inline unsigned long __xchg(volatile void *ptr, unsigned long x,
- int size)
+static __always_inline
+unsigned long __xchg(volatile void *ptr, unsigned long x, int size)
{
switch (size) {
case 1:
@@ -146,8 +146,9 @@ static inline unsigned long __xchg(volatile void *ptr, unsigned long x,
extern unsigned long __cmpxchg_small(volatile void *ptr, unsigned long old,
unsigned long new, unsigned int size);
-static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
- unsigned long new, unsigned int size)
+static __always_inline
+unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
+ unsigned long new, unsigned int size)
{
switch (size) {
case 1:
diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c
index a29fdf8a2e56..232bf5987f91 100644
--- a/arch/powerpc/platforms/powernv/memtrace.c
+++ b/arch/powerpc/platforms/powernv/memtrace.c
@@ -70,6 +70,7 @@ static int change_memblock_state(struct memory_block *mem, void *arg)
return 0;
}
+/* called with device_hotplug_lock held */
static bool memtrace_offline_pages(u32 nid, u64 start_pfn, u64 nr_pages)
{
u64 end_pfn = start_pfn + nr_pages - 1;
@@ -110,6 +111,7 @@ static u64 memtrace_alloc_node(u32 nid, u64 size)
/* Trace memory needs to be aligned to the size */
end_pfn = round_down(end_pfn - nr_pages, nr_pages);
+ lock_device_hotplug();
for (base_pfn = end_pfn; base_pfn > start_pfn; base_pfn -= nr_pages) {
if (memtrace_offline_pages(nid, base_pfn, nr_pages) == true) {
/*
@@ -118,7 +120,6 @@ static u64 memtrace_alloc_node(u32 nid, u64 size)
* we never try to remove memory that spans two iomem
* resources.
*/
- lock_device_hotplug();
end_pfn = base_pfn + nr_pages;
for (pfn = base_pfn; pfn < end_pfn; pfn += bytes>> PAGE_SHIFT) {
remove_memory(nid, pfn << PAGE_SHIFT, bytes);
@@ -127,6 +128,7 @@ static u64 memtrace_alloc_node(u32 nid, u64 size)
return base_pfn << PAGE_SHIFT;
}
}
+ unlock_device_hotplug();
return 0;
}
diff --git a/arch/powerpc/platforms/powernv/smp.c b/arch/powerpc/platforms/powernv/smp.c
index db09c7022635..fdd9577d1798 100644
--- a/arch/powerpc/platforms/powernv/smp.c
+++ b/arch/powerpc/platforms/powernv/smp.c
@@ -150,20 +150,25 @@ static int pnv_smp_cpu_disable(void)
return 0;
}
+static void pnv_flush_interrupts(void)
+{
+ if (cpu_has_feature(CPU_FTR_ARCH_300)) {
+ if (xive_enabled())
+ xive_flush_interrupt();
+ else
+ icp_opal_flush_interrupt();
+ } else {
+ icp_native_flush_interrupt();
+ }
+}
+
static void pnv_smp_cpu_kill_self(void)
{
+ unsigned long srr1, unexpected_mask, wmask;
unsigned int cpu;
- unsigned long srr1, wmask;
u64 lpcr_val;
/* Standard hot unplug procedure */
- /*
- * This hard disables local interurpts, ensuring we have no lazy
- * irqs pending.
- */
- WARN_ON(irqs_disabled());
- hard_irq_disable();
- WARN_ON(lazy_irq_pending());
idle_task_exit();
current->active_mm = NULL; /* for sanity */
@@ -176,6 +181,27 @@ static void pnv_smp_cpu_kill_self(void)
if (cpu_has_feature(CPU_FTR_ARCH_207S))
wmask = SRR1_WAKEMASK_P8;
+ /*
+ * This turns the irq soft-disabled state we're called with, into a
+ * hard-disabled state with pending irq_happened interrupts cleared.
+ *
+ * PACA_IRQ_DEC - Decrementer should be ignored.
+ * PACA_IRQ_HMI - Can be ignored, processing is done in real mode.
+ * PACA_IRQ_DBELL, EE, PMI - Unexpected.
+ */
+ hard_irq_disable();
+ if (generic_check_cpu_restart(cpu))
+ goto out;
+
+ unexpected_mask = ~(PACA_IRQ_DEC | PACA_IRQ_HMI | PACA_IRQ_HARD_DIS);
+ if (local_paca->irq_happened & unexpected_mask) {
+ if (local_paca->irq_happened & PACA_IRQ_EE)
+ pnv_flush_interrupts();
+ DBG("CPU%d Unexpected exit while offline irq_happened=%lx!\n",
+ cpu, local_paca->irq_happened);
+ }
+ local_paca->irq_happened = PACA_IRQ_HARD_DIS;
+
/*
* We don't want to take decrementer interrupts while we are
* offline, so clear LPCR:PECE1. We keep PECE2 (and
@@ -201,6 +227,7 @@ static void pnv_smp_cpu_kill_self(void)
srr1 = pnv_cpu_offline(cpu);
+ WARN_ON_ONCE(!irqs_disabled());
WARN_ON(lazy_irq_pending());
/*
@@ -216,13 +243,7 @@ static void pnv_smp_cpu_kill_self(void)
*/
if (((srr1 & wmask) == SRR1_WAKEEE) ||
((srr1 & wmask) == SRR1_WAKEHVI)) {
- if (cpu_has_feature(CPU_FTR_ARCH_300)) {
- if (xive_enabled())
- xive_flush_interrupt();
- else
- icp_opal_flush_interrupt();
- } else
- icp_native_flush_interrupt();
+ pnv_flush_interrupts();
} else if ((srr1 & wmask) == SRR1_WAKEHDBELL) {
unsigned long msg = PPC_DBELL_TYPE(PPC_DBELL_SERVER);
asm volatile(PPC_MSGCLR(%0) : : "r" (msg));
@@ -270,7 +291,7 @@ static void pnv_smp_cpu_kill_self(void)
*/
lpcr_val = mfspr(SPRN_LPCR) | (u64)LPCR_PECE1;
pnv_program_cpu_hotplug_lpcr(cpu, lpcr_val);
-
+out:
DBG("CPU%d coming online...\n", cpu);
}
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 5332f628c1ed..40194f8c772a 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -84,7 +84,7 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n);
__rc; \
})
-static inline int __put_user_fn(void *x, void __user *ptr, unsigned long size)
+static __always_inline int __put_user_fn(void *x, void __user *ptr, unsigned long size)
{
unsigned long spec = 0x010000UL;
int rc;
@@ -114,7 +114,7 @@ static inline int __put_user_fn(void *x, void __user *ptr, unsigned long size)
return rc;
}
-static inline int __get_user_fn(void *x, const void __user *ptr, unsigned long size)
+static __always_inline int __get_user_fn(void *x, const void __user *ptr, unsigned long size)
{
unsigned long spec = 0x01UL;
int rc;
diff --git a/arch/s390/kernel/idle.c b/arch/s390/kernel/idle.c
index b9d8fe45737a..8f8456816d83 100644
--- a/arch/s390/kernel/idle.c
+++ b/arch/s390/kernel/idle.c
@@ -69,18 +69,26 @@ DEVICE_ATTR(idle_count, 0444, show_idle_count, NULL);
static ssize_t show_idle_time(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ unsigned long long now, idle_time, idle_enter, idle_exit, in_idle;
struct s390_idle_data *idle = &per_cpu(s390_idle, dev->id);
- unsigned long long now, idle_time, idle_enter, idle_exit;
unsigned int seq;
do {
- now = get_tod_clock();
seq = read_seqcount_begin(&idle->seqcount);
idle_time = READ_ONCE(idle->idle_time);
idle_enter = READ_ONCE(idle->clock_idle_enter);
idle_exit = READ_ONCE(idle->clock_idle_exit);
} while (read_seqcount_retry(&idle->seqcount, seq));
- idle_time += idle_enter ? ((idle_exit ? : now) - idle_enter) : 0;
+ in_idle = 0;
+ now = get_tod_clock();
+ if (idle_enter) {
+ if (idle_exit) {
+ in_idle = idle_exit - idle_enter;
+ } else if (now > idle_enter) {
+ in_idle = now - idle_enter;
+ }
+ }
+ idle_time += in_idle;
return sprintf(buf, "%llu\n", idle_time >> 12);
}
DEVICE_ATTR(idle_time_us, 0444, show_idle_time, NULL);
@@ -88,17 +96,24 @@ DEVICE_ATTR(idle_time_us, 0444, show_idle_time, NULL);
u64 arch_cpu_idle_time(int cpu)
{
struct s390_idle_data *idle = &per_cpu(s390_idle, cpu);
- unsigned long long now, idle_enter, idle_exit;
+ unsigned long long now, idle_enter, idle_exit, in_idle;
unsigned int seq;
do {
- now = get_tod_clock();
seq = read_seqcount_begin(&idle->seqcount);
idle_enter = READ_ONCE(idle->clock_idle_enter);
idle_exit = READ_ONCE(idle->clock_idle_exit);
} while (read_seqcount_retry(&idle->seqcount, seq));
-
- return cputime_to_nsecs(idle_enter ? ((idle_exit ?: now) - idle_enter) : 0);
+ in_idle = 0;
+ now = get_tod_clock();
+ if (idle_enter) {
+ if (idle_exit) {
+ in_idle = idle_exit - idle_enter;
+ } else if (now > idle_enter) {
+ in_idle = now - idle_enter;
+ }
+ }
+ return cputime_to_nsecs(in_idle);
}
void arch_cpu_idle_enter(void)
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 510a18299196..a51c892f14f3 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -298,16 +298,16 @@ static int cmm_timeout_handler(struct ctl_table *ctl, int write,
}
if (write) {
- len = *lenp;
- if (copy_from_user(buf, buffer,
- len > sizeof(buf) ? sizeof(buf) : len))
+ len = min(*lenp, sizeof(buf));
+ if (copy_from_user(buf, buffer, len))
return -EFAULT;
- buf[sizeof(buf) - 1] = '\0';
+ buf[len - 1] = '\0';
cmm_skip_blanks(buf, &p);
nr = simple_strtoul(p, &p, 0);
cmm_skip_blanks(p, &p);
seconds = simple_strtoul(p, &p, 0);
cmm_set_timeout(nr, seconds);
+ *ppos += *lenp;
} else {
len = sprintf(buf, "%ld %ld\n",
cmm_timeout_pages, cmm_timeout_seconds);
@@ -315,9 +315,9 @@ static int cmm_timeout_handler(struct ctl_table *ctl, int write,
len = *lenp;
if (copy_to_user(buffer, buf, len))
return -EFAULT;
+ *lenp = len;
+ *ppos += len;
}
- *lenp = len;
- *ppos += len;
return 0;
}
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 27ade3cb6482..defb536aebce 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -4,12 +4,14 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/delay.h>
+#include <linux/jiffies.h>
#include <asm/apicdef.h>
#include <asm/nmi.h>
#include "../perf_event.h"
-static DEFINE_PER_CPU(unsigned int, perf_nmi_counter);
+static DEFINE_PER_CPU(unsigned long, perf_nmi_tstamp);
+static unsigned long perf_nmi_window;
static __initconst const u64 amd_hw_cache_event_ids
[PERF_COUNT_HW_CACHE_MAX]
@@ -640,11 +642,12 @@ static void amd_pmu_disable_event(struct perf_event *event)
* handler when multiple PMCs are active or PMC overflow while handling some
* other source of an NMI.
*
- * Attempt to mitigate this by using the number of active PMCs to determine
- * whether to return NMI_HANDLED if the perf NMI handler did not handle/reset
- * any PMCs. The per-CPU perf_nmi_counter variable is set to a minimum of the
- * number of active PMCs or 2. The value of 2 is used in case an NMI does not
- * arrive at the LAPIC in time to be collapsed into an already pending NMI.
+ * Attempt to mitigate this by creating an NMI window in which un-handled NMIs
+ * received during this window will be claimed. This prevents extending the
+ * window past when it is possible that latent NMIs should be received. The
+ * per-CPU perf_nmi_tstamp will be set to the window end time whenever perf has
+ * handled a counter. When an un-handled NMI is received, it will be claimed
+ * only if arriving within that window.
*/
static int amd_pmu_handle_irq(struct pt_regs *regs)
{
@@ -662,21 +665,19 @@ static int amd_pmu_handle_irq(struct pt_regs *regs)
handled = x86_pmu_handle_irq(regs);
/*
- * If a counter was handled, record the number of possible remaining
- * NMIs that can occur.
+ * If a counter was handled, record a timestamp such that un-handled
+ * NMIs will be claimed if arriving within that window.
*/
if (handled) {
- this_cpu_write(perf_nmi_counter,
- min_t(unsigned int, 2, active));
+ this_cpu_write(perf_nmi_tstamp,
+ jiffies + perf_nmi_window);
return handled;
}
- if (!this_cpu_read(perf_nmi_counter))
+ if (time_after(jiffies, this_cpu_read(perf_nmi_tstamp)))
return NMI_DONE;
- this_cpu_dec(perf_nmi_counter);
-
return NMI_HANDLED;
}
@@ -908,6 +909,9 @@ static int __init amd_core_pmu_init(void)
if (!boot_cpu_has(X86_FEATURE_PERFCTR_CORE))
return 0;
+ /* Avoid calulating the value each time in the NMI handler */
+ perf_nmi_window = msecs_to_jiffies(100);
+
switch (boot_cpu_data.x86) {
case 0x15:
pr_cont("Fam15h ");
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index 5d0b72f28140..2a8e5f78e23c 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -6,7 +6,7 @@
* "Big Core" Processors (Branded as Core, Xeon, etc...)
*
* The "_X" parts are generally the EP and EX Xeons, or the
- * "Extreme" ones, like Broadwell-E.
+ * "Extreme" ones, like Broadwell-E, or Atom microserver.
*
* While adding a new CPUID for a new microarchitecture, add a new
* group to keep logically sorted out in chronological order. Within
@@ -61,6 +61,9 @@
#define INTEL_FAM6_TIGERLAKE_L 0x8C
#define INTEL_FAM6_TIGERLAKE 0x8D
+#define INTEL_FAM6_COMETLAKE 0xA5
+#define INTEL_FAM6_COMETLAKE_L 0xA6
+
/* "Small Core" Processors (Atom) */
#define INTEL_FAM6_ATOM_BONNELL 0x1C /* Diamondville, Pineview */
@@ -80,6 +83,7 @@
#define INTEL_FAM6_ATOM_GOLDMONT 0x5C /* Apollo Lake */
#define INTEL_FAM6_ATOM_GOLDMONT_X 0x5F /* Denverton */
#define INTEL_FAM6_ATOM_GOLDMONT_PLUS 0x7A /* Gemini Lake */
+#define INTEL_FAM6_ATOM_TREMONT_X 0x86 /* Jacobsville */
/* Xeon Phi */
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 9061babfbc83..335a62e74a2e 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -893,9 +893,6 @@ static void __init kexec_enter_virtual_mode(void)
if (efi_enabled(EFI_OLD_MEMMAP) && (__supported_pte_mask & _PAGE_NX))
runtime_code_page_mkexec();
-
- /* clean DUMMY object */
- efi_delete_dummy_variable();
#endif
}
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index c6c7c9b7b5c1..2483ff345bbc 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -266,19 +266,41 @@ void xen_reboot(int reason)
BUG();
}
+static int reboot_reason = SHUTDOWN_reboot;
+static bool xen_legacy_crash;
void xen_emergency_restart(void)
{
- xen_reboot(SHUTDOWN_reboot);
+ xen_reboot(reboot_reason);
}
static int
xen_panic_event(struct notifier_block *this, unsigned long event, void *ptr)
{
- if (!kexec_crash_loaded())
- xen_reboot(SHUTDOWN_crash);
+ if (!kexec_crash_loaded()) {
+ if (xen_legacy_crash)
+ xen_reboot(SHUTDOWN_crash);
+
+ reboot_reason = SHUTDOWN_crash;
+
+ /*
+ * If panic_timeout==0 then we are supposed to wait forever.
+ * However, to preserve original dom0 behavior we have to drop
+ * into hypervisor. (domU behavior is controlled by its
+ * config file)
+ */
+ if (panic_timeout == 0)
+ panic_timeout = -1;
+ }
return NOTIFY_DONE;
}
+static int __init parse_xen_legacy_crash(char *arg)
+{
+ xen_legacy_crash = true;
+ return 0;
+}
+early_param("xen_legacy_crash", parse_xen_legacy_crash);
+
static struct notifier_block xen_panic_block = {
.notifier_call = xen_panic_event,
.priority = INT_MIN
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index bc2fa4e85f0c..bd9aafe86c2f 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -228,8 +228,8 @@ static void nbd_put(struct nbd_device *nbd)
if (refcount_dec_and_mutex_lock(&nbd->refs,
&nbd_index_mutex)) {
idr_remove(&nbd_index_idr, nbd->index);
- mutex_unlock(&nbd_index_mutex);
nbd_dev_remove(nbd);
+ mutex_unlock(&nbd_index_mutex);
}
}
@@ -924,6 +924,25 @@ static blk_status_t nbd_queue_rq(struct blk_mq_hw_ctx *hctx,
return ret;
}
+static struct socket *nbd_get_socket(struct nbd_device *nbd, unsigned long fd,
+ int *err)
+{
+ struct socket *sock;
+
+ *err = 0;
+ sock = sockfd_lookup(fd, err);
+ if (!sock)
+ return NULL;
+
+ if (sock->ops->shutdown == sock_no_shutdown) {
+ dev_err(disk_to_dev(nbd->disk), "Unsupported socket: shutdown callout must be supported.\n");
+ *err = -EINVAL;
+ return NULL;
+ }
+
+ return sock;
+}
+
static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg,
bool netlink)
{
@@ -933,7 +952,7 @@ static int nbd_add_socket(struct nbd_device *nbd, unsigned long arg,
struct nbd_sock *nsock;
int err;
- sock = sockfd_lookup(arg, &err);
+ sock = nbd_get_socket(nbd, arg, &err);
if (!sock)
return err;
@@ -985,7 +1004,7 @@ static int nbd_reconnect_socket(struct nbd_device *nbd, unsigned long arg)
int i;
int err;
- sock = sockfd_lookup(arg, &err);
+ sock = nbd_get_socket(nbd, arg, &err);
if (!sock)
return err;
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 70cbd0ee1b07..76abe40bfa83 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -312,13 +312,14 @@ static void reset_bdev(struct zram *zram)
static ssize_t backing_dev_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
+ struct file *file;
struct zram *zram = dev_to_zram(dev);
- struct file *file = zram->backing_dev;
char *p;
ssize_t ret;
down_read(&zram->init_lock);
- if (!zram_wb_enabled(zram)) {
+ file = zram->backing_dev;
+ if (!file) {
memcpy(buf, "none\n", 5);
up_read(&zram->init_lock);
return 5;
diff --git a/drivers/clk/imgtec/clk-boston.c b/drivers/clk/imgtec/clk-boston.c
index f5d54a64d33c..dddda45127a8 100644
--- a/drivers/clk/imgtec/clk-boston.c
+++ b/drivers/clk/imgtec/clk-boston.c
@@ -73,31 +73,39 @@ static void __init clk_boston_setup(struct device_node *np)
hw = clk_hw_register_fixed_rate(NULL, "input", NULL, 0, in_freq);
if (IS_ERR(hw)) {
pr_err("failed to register input clock: %ld\n", PTR_ERR(hw));
- goto error;
+ goto fail_input;
}
onecell->hws[BOSTON_CLK_INPUT] = hw;
hw = clk_hw_register_fixed_rate(NULL, "sys", "input", 0, sys_freq);
if (IS_ERR(hw)) {
pr_err("failed to register sys clock: %ld\n", PTR_ERR(hw));
- goto error;
+ goto fail_sys;
}
onecell->hws[BOSTON_CLK_SYS] = hw;
hw = clk_hw_register_fixed_rate(NULL, "cpu", "input", 0, cpu_freq);
if (IS_ERR(hw)) {
pr_err("failed to register cpu clock: %ld\n", PTR_ERR(hw));
- goto error;
+ goto fail_cpu;
}
onecell->hws[BOSTON_CLK_CPU] = hw;
err = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, onecell);
- if (err)
+ if (err) {
pr_err("failed to add DT provider: %d\n", err);
+ goto fail_clk_add;
+ }
return;
-error:
+fail_clk_add:
+ clk_hw_unregister_fixed_rate(onecell->hws[BOSTON_CLK_CPU]);
+fail_cpu:
+ clk_hw_unregister_fixed_rate(onecell->hws[BOSTON_CLK_SYS]);
+fail_sys:
+ clk_hw_unregister_fixed_rate(onecell->hws[BOSTON_CLK_INPUT]);
+fail_input:
kfree(onecell);
}
diff --git a/drivers/dma/qcom/bam_dma.c b/drivers/dma/qcom/bam_dma.c
index 489c8fa4d2e2..4451ccfaf7c9 100644
--- a/drivers/dma/qcom/bam_dma.c
+++ b/drivers/dma/qcom/bam_dma.c
@@ -703,6 +703,25 @@ static int bam_dma_terminate_all(struct dma_chan *chan)
/* remove all transactions, including active transaction */
spin_lock_irqsave(&bchan->vc.lock, flag);
+ /*
+ * If we have transactions queued, then some might be committed to the
+ * hardware in the desc fifo. The only way to reset the desc fifo is
+ * to do a hardware reset (either by pipe or the entire block).
+ * bam_chan_init_hw() will trigger a pipe reset, and also reinit the
+ * pipe. If the pipe is left disabled (default state after pipe reset)
+ * and is accessed by a connected hardware engine, a fatal error in
+ * the BAM will occur. There is a small window where this could happen
+ * with bam_chan_init_hw(), but it is assumed that the caller has
+ * stopped activity on any attached hardware engine. Make sure to do
+ * this first so that the BAM hardware doesn't cause memory corruption
+ * by accessing freed resources.
+ */
+ if (!list_empty(&bchan->desc_list)) {
+ async_desc = list_first_entry(&bchan->desc_list,
+ struct bam_async_desc, desc_node);
+ bam_chan_init_hw(bchan, async_desc->dir);
+ }
+
list_for_each_entry_safe(async_desc, tmp,
&bchan->desc_list, desc_node) {
list_add(&async_desc->vd.node, &bchan->vc.desc_issued);
diff --git a/drivers/dma/ti/cppi41.c b/drivers/dma/ti/cppi41.c
index e507ec36c0d3..f8fa99402f12 100644
--- a/drivers/dma/ti/cppi41.c
+++ b/drivers/dma/ti/cppi41.c
@@ -585,9 +585,22 @@ static struct dma_async_tx_descriptor *cppi41_dma_prep_slave_sg(
enum dma_transfer_direction dir, unsigned long tx_flags, void *context)
{
struct cppi41_channel *c = to_cpp41_chan(chan);
+ struct dma_async_tx_descriptor *txd = NULL;
+ struct cppi41_dd *cdd = c->cdd;
struct cppi41_desc *d;
struct scatterlist *sg;
unsigned int i;
+ int error;
+
+ error = pm_runtime_get(cdd->ddev.dev);
+ if (error < 0) {
+ pm_runtime_put_noidle(cdd->ddev.dev);
+
+ return NULL;
+ }
+
+ if (cdd->is_suspended)
+ goto err_out_not_ready;
d = c->desc;
for_each_sg(sgl, sg, sg_len, i) {
@@ -610,7 +623,13 @@ static struct dma_async_tx_descriptor *cppi41_dma_prep_slave_sg(
d++;
}
- return &c->txd;
+ txd = &c->txd;
+
+err_out_not_ready:
+ pm_runtime_mark_last_busy(cdd->ddev.dev);
+ pm_runtime_put_autosuspend(cdd->ddev.dev);
+
+ return txd;
}
static void cppi41_compute_td_desc(struct cppi41_desc *d)
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c
index 4045098ddb86..116989cf3d45 100644
--- a/drivers/firmware/efi/cper.c
+++ b/drivers/firmware/efi/cper.c
@@ -393,7 +393,7 @@ static void cper_print_pcie(const char *pfx, const struct cper_sec_pcie *pcie,
printk("%s""vendor_id: 0x%04x, device_id: 0x%04x\n", pfx,
pcie->device_id.vendor_id, pcie->device_id.device_id);
p = pcie->device_id.class_code;
- printk("%s""class_code: %02x%02x%02x\n", pfx, p[0], p[1], p[2]);
+ printk("%s""class_code: %02x%02x%02x\n", pfx, p[2], p[1], p[0]);
}
if (pcie->validation_bits & CPER_PCIE_VALID_SERIAL_NUMBER)
printk("%s""serial number: 0x%04x, 0x%04x\n", pfx,
diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c
index 538bce4b5b42..ac6c1c0548b6 100644
--- a/drivers/gpio/gpio-max77620.c
+++ b/drivers/gpio/gpio-max77620.c
@@ -163,13 +163,13 @@ static int max77620_gpio_set_debounce(struct max77620_gpio *mgpio,
case 0:
val = MAX77620_CNFG_GPIO_DBNC_None;
break;
- case 1 ... 8:
+ case 1000 ... 8000:
val = MAX77620_CNFG_GPIO_DBNC_8ms;
break;
- case 9 ... 16:
+ case 9000 ... 16000:
val = MAX77620_CNFG_GPIO_DBNC_16ms;
break;
- case 17 ... 32:
+ case 17000 ... 32000:
val = MAX77620_CNFG_GPIO_DBNC_32ms;
break;
default:
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
index b80243d3972e..ce7f18c5ccb2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
@@ -264,7 +264,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
r = amdgpu_bo_create_list_entry_array(&args->in, &info);
if (r)
- goto error_free;
+ return r;
switch (args->in.operation) {
case AMDGPU_BO_LIST_OP_CREATE:
@@ -277,8 +277,7 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
r = idr_alloc(&fpriv->bo_list_handles, list, 1, 0, GFP_KERNEL);
mutex_unlock(&fpriv->bo_list_lock);
if (r < 0) {
- amdgpu_bo_list_put(list);
- return r;
+ goto error_put_list;
}
handle = r;
@@ -300,9 +299,8 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
mutex_unlock(&fpriv->bo_list_lock);
if (IS_ERR(old)) {
- amdgpu_bo_list_put(list);
r = PTR_ERR(old);
- goto error_free;
+ goto error_put_list;
}
amdgpu_bo_list_put(old);
@@ -319,8 +317,10 @@ int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
return 0;
+error_put_list:
+ amdgpu_bo_list_put(list);
+
error_free:
- if (info)
- kvfree(info);
+ kvfree(info);
return r;
}
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index d440b28ee43f..6896d69b8c24 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1399,9 +1399,9 @@ bool dc_remove_plane_from_context(
* For head pipe detach surfaces from pipe for tail
* pipe just zero it out
*/
- if (!pipe_ctx->top_pipe ||
- (!pipe_ctx->top_pipe->top_pipe &&
+ if (!pipe_ctx->top_pipe || (!pipe_ctx->top_pipe->top_pipe &&
pipe_ctx->top_pipe->stream_res.opp != pipe_ctx->stream_res.opp)) {
+ pipe_ctx->top_pipe = NULL;
pipe_ctx->plane_state = NULL;
pipe_ctx->bottom_pipe = NULL;
} else {
@@ -1803,8 +1803,6 @@ enum dc_status dc_remove_stream_from_ctx(
dc->res_pool->funcs->remove_stream_from_ctx(dc, new_ctx, stream);
memset(del_pipe, 0, sizeof(*del_pipe));
-
- break;
}
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index fb86c24394ff..ce459ea4ec3a 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -4751,9 +4751,7 @@ static void vega10_odn_update_soc_table(struct pp_hwmgr *hwmgr,
if (type == PP_OD_EDIT_SCLK_VDDC_TABLE) {
podn_vdd_dep = &data->odn_dpm_table.vdd_dep_on_sclk;
- for (i = 0; i < podn_vdd_dep->count - 1; i++)
- od_vddc_lookup_table->entries[i].us_vdd = podn_vdd_dep->entries[i].vddc;
- if (od_vddc_lookup_table->entries[i].us_vdd < podn_vdd_dep->entries[i].vddc)
+ for (i = 0; i < podn_vdd_dep->count; i++)
od_vddc_lookup_table->entries[i].us_vdd = podn_vdd_dep->entries[i].vddc;
} else if (type == PP_OD_EDIT_MCLK_VDDC_TABLE) {
podn_vdd_dep = &data->odn_dpm_table.vdd_dep_on_mclk;
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
index 74cc204b07e8..2d9b7b5fb49c 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c
@@ -442,35 +442,38 @@ static void dpu_kms_wait_for_commit_done(struct msm_kms *kms,
}
}
-static void _dpu_kms_initialize_dsi(struct drm_device *dev,
+static int _dpu_kms_initialize_dsi(struct drm_device *dev,
struct msm_drm_private *priv,
struct dpu_kms *dpu_kms)
{
struct drm_encoder *encoder = NULL;
- int i, rc;
+ int i, rc = 0;
+
+ if (!(priv->dsi[0] || priv->dsi[1]))
+ return rc;
/*TODO: Support two independent DSI connectors */
encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_DSI);
- if (IS_ERR_OR_NULL(encoder)) {
+ if (IS_ERR(encoder)) {
DPU_ERROR("encoder init failed for dsi display\n");
- return;
+ return PTR_ERR(encoder);
}
priv->encoders[priv->num_encoders++] = encoder;
for (i = 0; i < ARRAY_SIZE(priv->dsi); i++) {
- if (!priv->dsi[i]) {
- DPU_DEBUG("invalid msm_dsi for ctrl %d\n", i);
- return;
- }
+ if (!priv->dsi[i])
+ continue;
rc = msm_dsi_modeset_init(priv->dsi[i], dev, encoder);
if (rc) {
DPU_ERROR("modeset_init failed for dsi[%d], rc = %d\n",
i, rc);
- continue;
+ break;
}
}
+
+ return rc;
}
/**
@@ -481,16 +484,16 @@ static void _dpu_kms_initialize_dsi(struct drm_device *dev,
* @dpu_kms: Pointer to dpu kms structure
* Returns: Zero on success
*/
-static void _dpu_kms_setup_displays(struct drm_device *dev,
+static int _dpu_kms_setup_displays(struct drm_device *dev,
struct msm_drm_private *priv,
struct dpu_kms *dpu_kms)
{
- _dpu_kms_initialize_dsi(dev, priv, dpu_kms);
-
/**
* Extend this function to initialize other
* types of displays
*/
+
+ return _dpu_kms_initialize_dsi(dev, priv, dpu_kms);
}
static void _dpu_kms_drm_obj_destroy(struct dpu_kms *dpu_kms)
@@ -552,7 +555,9 @@ static int _dpu_kms_drm_obj_init(struct dpu_kms *dpu_kms)
* Create encoder and query display drivers to create
* bridges and connectors
*/
- _dpu_kms_setup_displays(dev, priv, dpu_kms);
+ ret = _dpu_kms_setup_displays(dev, priv, dpu_kms);
+ if (ret)
+ goto fail;
max_crtc_count = min(catalog->mixer_count, priv->num_encoders);
diff --git a/drivers/hid/hid-axff.c b/drivers/hid/hid-axff.c
index a594e478a1e2..843aed4dec80 100644
--- a/drivers/hid/hid-axff.c
+++ b/drivers/hid/hid-axff.c
@@ -75,13 +75,20 @@ static int axff_init(struct hid_device *hid)
{
struct axff_device *axff;
struct hid_report *report;
- struct hid_input *hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
+ struct hid_input *hidinput;
struct list_head *report_list =&hid->report_enum[HID_OUTPUT_REPORT].report_list;
- struct input_dev *dev = hidinput->input;
+ struct input_dev *dev;
int field_count = 0;
int i, j;
int error;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
+ dev = hidinput->input;
+
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 861375561156..63a1628f7cf7 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -975,6 +975,7 @@ int hid_open_report(struct hid_device *device)
__u8 *start;
__u8 *buf;
__u8 *end;
+ __u8 *next;
int ret;
static int (*dispatch_type[])(struct hid_parser *parser,
struct hid_item *item) = {
@@ -1028,7 +1029,8 @@ int hid_open_report(struct hid_device *device)
device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
ret = -EINVAL;
- while ((start = fetch_item(start, end, &item)) != NULL) {
+ while ((next = fetch_item(start, end, &item)) != NULL) {
+ start = next;
if (item.format != HID_ITEM_FORMAT_SHORT) {
hid_err(device, "unexpected long global item\n");
@@ -1058,7 +1060,8 @@ int hid_open_report(struct hid_device *device)
}
}
- hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
+ hid_err(device, "item fetching failed at offset %u/%u\n",
+ size - (unsigned int)(end - start), size);
err:
kfree(parser->collection_stack);
alloc_err:
diff --git a/drivers/hid/hid-dr.c b/drivers/hid/hid-dr.c
index 818ea7d93533..309969b8dc2e 100644
--- a/drivers/hid/hid-dr.c
+++ b/drivers/hid/hid-dr.c
@@ -87,13 +87,19 @@ static int drff_init(struct hid_device *hid)
{
struct drff_device *drff;
struct hid_report *report;
- struct hid_input *hidinput = list_first_entry(&hid->inputs,
- struct hid_input, list);
+ struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
- struct input_dev *dev = hidinput->input;
+ struct input_dev *dev;
int error;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
+ dev = hidinput->input;
+
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;
diff --git a/drivers/hid/hid-emsff.c b/drivers/hid/hid-emsff.c
index d82d75bb11f7..80f9a02dfa69 100644
--- a/drivers/hid/hid-emsff.c
+++ b/drivers/hid/hid-emsff.c
@@ -59,13 +59,19 @@ static int emsff_init(struct hid_device *hid)
{
struct emsff_device *emsff;
struct hid_report *report;
- struct hid_input *hidinput = list_first_entry(&hid->inputs,
- struct hid_input, list);
+ struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
- struct input_dev *dev = hidinput->input;
+ struct input_dev *dev;
int error;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_first_entry(&hid->inputs, struct hid_input, list);
+ dev = hidinput->input;
+
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;
diff --git a/drivers/hid/hid-gaff.c b/drivers/hid/hid-gaff.c
index 2d8cead3adca..5a02c50443cb 100644
--- a/drivers/hid/hid-gaff.c
+++ b/drivers/hid/hid-gaff.c
@@ -77,14 +77,20 @@ static int gaff_init(struct hid_device *hid)
{
struct gaff_device *gaff;
struct hid_report *report;
- struct hid_input *hidinput = list_entry(hid->inputs.next,
- struct hid_input, list);
+ struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct list_head *report_ptr = report_list;
- struct input_dev *dev = hidinput->input;
+ struct input_dev *dev;
int error;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
if (list_empty(report_list)) {
hid_err(hid, "no output reports found\n");
return -ENODEV;
diff --git a/drivers/hid/hid-holtekff.c b/drivers/hid/hid-holtekff.c
index edc0f64bb584..c68486ee203c 100644
--- a/drivers/hid/hid-holtekff.c
+++ b/drivers/hid/hid-holtekff.c
@@ -136,13 +136,19 @@ static int holtekff_init(struct hid_device *hid)
{
struct holtekff_device *holtekff;
struct hid_report *report;
- struct hid_input *hidinput = list_entry(hid->inputs.next,
- struct hid_input, list);
+ struct hid_input *hidinput;
struct list_head *report_list =
&hid->report_enum[HID_OUTPUT_REPORT].report_list;
- struct input_dev *dev = hidinput->input;
+ struct input_dev *dev;
int error;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
if (list_empty(report_list)) {
hid_err(hid, "no output report found\n");
return -ENODEV;
diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c
index 704049e62d58..4d1496f60071 100644
--- a/drivers/hid/hid-hyperv.c
+++ b/drivers/hid/hid-hyperv.c
@@ -322,60 +322,24 @@ static void mousevsc_on_receive(struct hv_device *device,
static void mousevsc_on_channel_callback(void *context)
{
- const int packet_size = 0x100;
- int ret;
struct hv_device *device = context;
- u32 bytes_recvd;
- u64 req_id;
struct vmpacket_descriptor *desc;
- unsigned char *buffer;
- int bufferlen = packet_size;
-
- buffer = kmalloc(bufferlen, GFP_ATOMIC);
- if (!buffer)
- return;
-
- do {
- ret = vmbus_recvpacket_raw(device->channel, buffer,
- bufferlen, &bytes_recvd, &req_id);
-
- switch (ret) {
- case 0:
- if (bytes_recvd <= 0) {
- kfree(buffer);
- return;
- }
- desc = (struct vmpacket_descriptor *)buffer;
-
- switch (desc->type) {
- case VM_PKT_COMP:
- break;
-
- case VM_PKT_DATA_INBAND:
- mousevsc_on_receive(device, desc);
- break;
-
- default:
- pr_err("unhandled packet type %d, tid %llx len %d\n",
- desc->type, req_id, bytes_recvd);
- break;
- }
+ foreach_vmbus_pkt(desc, device->channel) {
+ switch (desc->type) {
+ case VM_PKT_COMP:
break;
- case -ENOBUFS:
- kfree(buffer);
- /* Handle large packet */
- bufferlen = bytes_recvd;
- buffer = kmalloc(bytes_recvd, GFP_ATOMIC);
-
- if (!buffer)
- return;
+ case VM_PKT_DATA_INBAND:
+ mousevsc_on_receive(device, desc);
+ break;
+ default:
+ pr_err("Unhandled packet type %d, tid %llx len %d\n",
+ desc->type, desc->trans_id, desc->len8 * 8);
break;
}
- } while (1);
-
+ }
}
static int mousevsc_connect_to_vsp(struct hv_device *device)
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 0eeb273fb73d..6b33117ca60e 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -713,6 +713,7 @@
#define USB_VENDOR_ID_LG 0x1fd2
#define USB_DEVICE_ID_LG_MULTITOUCH 0x0064
#define USB_DEVICE_ID_LG_MELFAS_MT 0x6007
+#define I2C_DEVICE_ID_LG_8001 0x8001
#define USB_VENDOR_ID_LOGITECH 0x046d
#define USB_DEVICE_ID_LOGITECH_AUDIOHUB 0x0a0e
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index d988b92b20c8..01bed2f6862e 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -328,6 +328,9 @@ static const struct hid_device_id hid_battery_quirks[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_SYMBOL,
USB_DEVICE_ID_SYMBOL_SCANNER_3),
HID_BATTERY_QUIRK_IGNORE },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
+ USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD),
+ HID_BATTERY_QUIRK_IGNORE },
{}
};
diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c
index 0e3fb1a7e421..6909d9c2fc67 100644
--- a/drivers/hid/hid-lg2ff.c
+++ b/drivers/hid/hid-lg2ff.c
@@ -62,11 +62,17 @@ int lg2ff_init(struct hid_device *hid)
{
struct lg2ff_device *lg2ff;
struct hid_report *report;
- struct hid_input *hidinput = list_entry(hid->inputs.next,
- struct hid_input, list);
- struct input_dev *dev = hidinput->input;
+ struct hid_input *hidinput;
+ struct input_dev *dev;
int error;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
/* Check that the report looks ok */
report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7);
if (!report)
diff --git a/drivers/hid/hid-lg3ff.c b/drivers/hid/hid-lg3ff.c
index 8c2da183d3bc..acf739fc4060 100644
--- a/drivers/hid/hid-lg3ff.c
+++ b/drivers/hid/hid-lg3ff.c
@@ -129,12 +129,19 @@ static const signed short ff3_joystick_ac[] = {
int lg3ff_init(struct hid_device *hid)
{
- struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct input_dev *dev = hidinput->input;
+ struct hid_input *hidinput;
+ struct input_dev *dev;
const signed short *ff_bits = ff3_joystick_ac;
int error;
int i;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
/* Check that the report looks ok */
if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 35))
return -ENODEV;
diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c
index 4b26928cb2b6..ef80c592b88a 100644
--- a/drivers/hid/hid-lg4ff.c
+++ b/drivers/hid/hid-lg4ff.c
@@ -1259,8 +1259,8 @@ static int lg4ff_handle_multimode_wheel(struct hid_device *hid, u16 *real_produc
int lg4ff_init(struct hid_device *hid)
{
- struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct input_dev *dev = hidinput->input;
+ struct hid_input *hidinput;
+ struct input_dev *dev;
struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list;
struct hid_report *report = list_entry(report_list->next, struct hid_report, list);
const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor);
@@ -1272,6 +1272,13 @@ int lg4ff_init(struct hid_device *hid)
int mmode_ret, mmode_idx = -1;
u16 real_product_id;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
/* Check that the report looks ok */
if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7))
return -1;
diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c
index e1394af0ae7b..1871cdcd1e0a 100644
--- a/drivers/hid/hid-lgff.c
+++ b/drivers/hid/hid-lgff.c
@@ -127,12 +127,19 @@ static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude)
int lgff_init(struct hid_device* hid)
{
- struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct input_dev *dev = hidinput->input;
+ struct hid_input *hidinput;
+ struct input_dev *dev;
const signed short *ff_bits = ff_joystick;
int error;
int i;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
/* Check that the report looks ok */
if (!hid_validate_values(hid, HID_OUTPUT_REPORT, 0, 0, 7))
return -ENODEV;
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index e642cfaf303b..034c883e57fa 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -1867,8 +1867,8 @@ static void hidpp_ff_destroy(struct ff_device *ff)
static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index)
{
struct hid_device *hid = hidpp->hid_dev;
- struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list);
- struct input_dev *dev = hidinput->input;
+ struct hid_input *hidinput;
+ struct input_dev *dev;
const struct usb_device_descriptor *udesc = &(hid_to_usb_dev(hid)->descriptor);
const u16 bcdDevice = le16_to_cpu(udesc->bcdDevice);
struct ff_device *ff;
@@ -1877,6 +1877,13 @@ static int hidpp_ff_init(struct hidpp_device *hidpp, u8 feature_index)
int error, j, num_slots;
u8 version;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
if (!dev) {
hid_err(hid, "Struct input_dev not set!\n");
return -EINVAL;
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 09f2c617b09f..d05c387a588e 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -2249,9 +2249,15 @@ static int sony_play_effect(struct input_dev *dev, void *data,
static int sony_init_ff(struct sony_sc *sc)
{
- struct hid_input *hidinput = list_entry(sc->hdev->inputs.next,
- struct hid_input, list);
- struct input_dev *input_dev = hidinput->input;
+ struct hid_input *hidinput;
+ struct input_dev *input_dev;
+
+ if (list_empty(&sc->hdev->inputs)) {
+ hid_err(sc->hdev, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(sc->hdev->inputs.next, struct hid_input, list);
+ input_dev = hidinput->input;
input_set_capability(input_dev, EV_FF, FF_RUMBLE);
return input_ff_create_memless(input_dev, NULL, sony_play_effect);
diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c
index dc4128bfe2ca..8dae0f9b819e 100644
--- a/drivers/hid/hid-steam.c
+++ b/drivers/hid/hid-steam.c
@@ -283,11 +283,6 @@ static void steam_set_lizard_mode(struct steam_device *steam, bool enable)
static int steam_input_open(struct input_dev *dev)
{
struct steam_device *steam = input_get_drvdata(dev);
- int ret;
-
- ret = hid_hw_open(steam->hdev);
- if (ret)
- return ret;
mutex_lock(&steam->mutex);
if (!steam->client_opened && lizard_mode)
@@ -304,8 +299,6 @@ static void steam_input_close(struct input_dev *dev)
if (!steam->client_opened && lizard_mode)
steam_set_lizard_mode(steam, true);
mutex_unlock(&steam->mutex);
-
- hid_hw_close(steam->hdev);
}
static enum power_supply_property steam_battery_props[] = {
@@ -506,6 +499,7 @@ static void steam_battery_unregister(struct steam_device *steam)
static int steam_register(struct steam_device *steam)
{
int ret;
+ bool client_opened;
/*
* This function can be called several times in a row with the
@@ -518,9 +512,11 @@ static int steam_register(struct steam_device *steam)
* Unlikely, but getting the serial could fail, and it is not so
* important, so make up a serial number and go on.
*/
+ mutex_lock(&steam->mutex);
if (steam_get_serial(steam) < 0)
strlcpy(steam->serial_no, "XXXXXXXXXX",
sizeof(steam->serial_no));
+ mutex_unlock(&steam->mutex);
hid_info(steam->hdev, "Steam Controller '%s' connected",
steam->serial_no);
@@ -535,13 +531,15 @@ static int steam_register(struct steam_device *steam)
}
mutex_lock(&steam->mutex);
- if (!steam->client_opened) {
+ client_opened = steam->client_opened;
+ if (!client_opened)
steam_set_lizard_mode(steam, lizard_mode);
+ mutex_unlock(&steam->mutex);
+
+ if (!client_opened)
ret = steam_input_register(steam);
- } else {
+ else
ret = 0;
- }
- mutex_unlock(&steam->mutex);
return ret;
}
@@ -623,11 +621,6 @@ static void steam_client_ll_stop(struct hid_device *hdev)
static int steam_client_ll_open(struct hid_device *hdev)
{
struct steam_device *steam = hdev->driver_data;
- int ret;
-
- ret = hid_hw_open(steam->hdev);
- if (ret)
- return ret;
mutex_lock(&steam->mutex);
steam->client_opened = true;
@@ -635,22 +628,28 @@ static int steam_client_ll_open(struct hid_device *hdev)
steam_input_unregister(steam);
- return ret;
+ return 0;
}
static void steam_client_ll_close(struct hid_device *hdev)
{
struct steam_device *steam = hdev->driver_data;
+ unsigned long flags;
+ bool connected;
+
+ spin_lock_irqsave(&steam->lock, flags);
+ connected = steam->connected;
+ spin_unlock_irqrestore(&steam->lock, flags);
+
mutex_lock(&steam->mutex);
steam->client_opened = false;
+ if (connected)
+ steam_set_lizard_mode(steam, lizard_mode);
mutex_unlock(&steam->mutex);
- hid_hw_close(steam->hdev);
- if (steam->connected) {
- steam_set_lizard_mode(steam, lizard_mode);
+ if (connected)
steam_input_register(steam);
- }
}
static int steam_client_ll_raw_request(struct hid_device *hdev,
@@ -759,14 +758,15 @@ static int steam_probe(struct hid_device *hdev,
if (ret)
goto client_hdev_add_fail;
+ ret = hid_hw_open(hdev);
+ if (ret) {
+ hid_err(hdev,
+ "%s:hid_hw_open\n",
+ __func__);
+ goto hid_hw_open_fail;
+ }
+
if (steam->quirks & STEAM_QUIRK_WIRELESS) {
- ret = hid_hw_open(hdev);
- if (ret) {
- hid_err(hdev,
- "%s:hid_hw_open for wireless\n",
- __func__);
- goto hid_hw_open_fail;
- }
hid_info(hdev, "Steam wireless receiver connected");
steam_request_conn_status(steam);
} else {
@@ -781,8 +781,8 @@ static int steam_probe(struct hid_device *hdev,
return 0;
-hid_hw_open_fail:
input_register_fail:
+hid_hw_open_fail:
client_hdev_add_fail:
hid_hw_stop(hdev);
hid_hw_start_fail:
@@ -809,8 +809,8 @@ static void steam_remove(struct hid_device *hdev)
cancel_work_sync(&steam->work_connect);
if (steam->quirks & STEAM_QUIRK_WIRELESS) {
hid_info(hdev, "Steam wireless receiver disconnected");
- hid_hw_close(hdev);
}
+ hid_hw_close(hdev);
hid_hw_stop(hdev);
steam_unregister(steam);
}
diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c
index 30b8c3256c99..efe8c2a0261e 100644
--- a/drivers/hid/hid-tmff.c
+++ b/drivers/hid/hid-tmff.c
@@ -136,12 +136,18 @@ static int tmff_init(struct hid_device *hid, const signed short *ff_bits)
struct tmff_device *tmff;
struct hid_report *report;
struct list_head *report_list;
- struct hid_input *hidinput = list_entry(hid->inputs.next,
- struct hid_input, list);
- struct input_dev *input_dev = hidinput->input;
+ struct hid_input *hidinput;
+ struct input_dev *input_dev;
int error;
int i;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ input_dev = hidinput->input;
+
tmff = kzalloc(sizeof(struct tmff_device), GFP_KERNEL);
if (!tmff)
return -ENOMEM;
diff --git a/drivers/hid/hid-zpff.c b/drivers/hid/hid-zpff.c
index a29756c6ca02..4e7e01be99b1 100644
--- a/drivers/hid/hid-zpff.c
+++ b/drivers/hid/hid-zpff.c
@@ -66,11 +66,17 @@ static int zpff_init(struct hid_device *hid)
{
struct zpff_device *zpff;
struct hid_report *report;
- struct hid_input *hidinput = list_entry(hid->inputs.next,
- struct hid_input, list);
- struct input_dev *dev = hidinput->input;
+ struct hid_input *hidinput;
+ struct input_dev *dev;
int i, error;
+ if (list_empty(&hid->inputs)) {
+ hid_err(hid, "no inputs found\n");
+ return -ENODEV;
+ }
+ hidinput = list_entry(hid->inputs.next, struct hid_input, list);
+ dev = hidinput->input;
+
for (i = 0; i < 4; i++) {
report = hid_validate_values(hid, HID_OUTPUT_REPORT, 0, i, 1);
if (!report)
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 3cde7c1b9c33..2f940c1de616 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -50,6 +50,7 @@
#define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1)
#define I2C_HID_QUIRK_NO_RUNTIME_PM BIT(2)
#define I2C_HID_QUIRK_DELAY_AFTER_SLEEP BIT(3)
+#define I2C_HID_QUIRK_BOGUS_IRQ BIT(4)
/* flags */
#define I2C_HID_STARTED 0
@@ -177,6 +178,10 @@ static const struct i2c_hid_quirks {
I2C_HID_QUIRK_NO_RUNTIME_PM },
{ I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_4B33,
I2C_HID_QUIRK_DELAY_AFTER_SLEEP },
+ { USB_VENDOR_ID_LG, I2C_DEVICE_ID_LG_8001,
+ I2C_HID_QUIRK_NO_RUNTIME_PM },
+ { USB_VENDOR_ID_ELAN, HID_ANY_ID,
+ I2C_HID_QUIRK_BOGUS_IRQ },
{ 0, 0 }
};
@@ -501,6 +506,12 @@ static void i2c_hid_get_input(struct i2c_hid *ihid)
return;
}
+ if (ihid->quirks & I2C_HID_QUIRK_BOGUS_IRQ && ret_size == 0xffff) {
+ dev_warn_once(&ihid->client->dev, "%s: IRQ triggered but "
+ "there's no data\n", __func__);
+ return;
+ }
+
if ((ret_size > size) || (ret_size < 2)) {
dev_err(&ihid->client->dev, "%s: incomplete report (%d/%d)\n",
__func__, size, ret_size);
diff --git a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
index cac262a912c1..10af8585c820 100644
--- a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
+++ b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
@@ -322,6 +322,25 @@ static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = {
},
.driver_data = (void *)&sipodev_desc
},
+ {
+ /*
+ * There are at least 2 Primebook C11B versions, the older
+ * version has a product-name of "Primebook C11B", and a
+ * bios version / release / firmware revision of:
+ * V2.1.2 / 05/03/2018 / 18.2
+ * The new version has "PRIMEBOOK C11B" as product-name and a
+ * bios version / release / firmware revision of:
+ * CFALKSW05_BIOS_V1.1.2 / 11/19/2018 / 19.2
+ * Only the older version needs this quirk, note the newer
+ * version will not match as it has a different product-name.
+ */
+ .ident = "Trekstor Primebook C11B",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "TREKSTOR"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Primebook C11B"),
+ },
+ .driver_data = (void *)&sipodev_desc
+ },
{
.ident = "Direkt-Tek DTLAPY116-2",
.matches = {
@@ -330,6 +349,14 @@ static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = {
},
.driver_data = (void *)&sipodev_desc
},
+ {
+ .ident = "Direkt-Tek DTLAPY133-1",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Direkt-Tek"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "DTLAPY133-1"),
+ },
+ .driver_data = (void *)&sipodev_desc
+ },
{
.ident = "Mediacom Flexbook Edge 11",
.matches = {
@@ -338,6 +365,14 @@ static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = {
},
.driver_data = (void *)&sipodev_desc
},
+ {
+ .ident = "Odys Winbook 13",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AXDIA International GmbH"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "WINBOOK 13"),
+ },
+ .driver_data = (void *)&sipodev_desc
+ },
{ } /* Terminate list */
};
diff --git a/drivers/iio/accel/bmc150-accel-core.c b/drivers/iio/accel/bmc150-accel-core.c
index 383c802eb5b8..cb8c98a44010 100644
--- a/drivers/iio/accel/bmc150-accel-core.c
+++ b/drivers/iio/accel/bmc150-accel-core.c
@@ -125,7 +125,7 @@
#define BMC150_ACCEL_SLEEP_1_SEC 0x0F
#define BMC150_ACCEL_REG_TEMP 0x08
-#define BMC150_ACCEL_TEMP_CENTER_VAL 24
+#define BMC150_ACCEL_TEMP_CENTER_VAL 23
#define BMC150_ACCEL_AXIS_TO_REG(axis) (BMC150_ACCEL_REG_XOUT_L + (axis * 2))
#define BMC150_AUTO_SUSPEND_DELAY_MS 2000
diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index 5dd104cf0939..6e0ef9bb2497 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -1023,6 +1023,11 @@ static int meson_sar_adc_probe(struct platform_device *pdev)
if (IS_ERR(base))
return PTR_ERR(base);
+ priv->regmap = devm_regmap_init_mmio(&pdev->dev, base,
+ priv->data->param->regmap_config);
+ if (IS_ERR(priv->regmap))
+ return PTR_ERR(priv->regmap);
+
irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
if (!irq)
return -EINVAL;
@@ -1032,11 +1037,6 @@ static int meson_sar_adc_probe(struct platform_device *pdev)
if (ret)
return ret;
- priv->regmap = devm_regmap_init_mmio(&pdev->dev, base,
- priv->data->param->regmap_config);
- if (IS_ERR(priv->regmap))
- return PTR_ERR(priv->regmap);
-
priv->clkin = devm_clk_get(&pdev->dev, "clkin");
if (IS_ERR(priv->clkin)) {
dev_err(&pdev->dev, "failed to get clkin\n");
diff --git a/drivers/iio/imu/adis_buffer.c b/drivers/iio/imu/adis_buffer.c
index 76643c5571aa..e59d0438de73 100644
--- a/drivers/iio/imu/adis_buffer.c
+++ b/drivers/iio/imu/adis_buffer.c
@@ -39,8 +39,11 @@ int adis_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
adis->buffer = kcalloc(indio_dev->scan_bytes, 2, GFP_KERNEL);
- if (!adis->buffer)
+ if (!adis->buffer) {
+ kfree(adis->xfer);
+ adis->xfer = NULL;
return -ENOMEM;
+ }
rx = adis->buffer;
tx = rx + scan_count;
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 6257be21cbed..1f373ba573b6 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2270,9 +2270,10 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id,
conn_id->cm_id.iw = NULL;
cma_exch(conn_id, RDMA_CM_DESTROYING);
mutex_unlock(&conn_id->handler_mutex);
+ mutex_unlock(&listen_id->handler_mutex);
cma_deref_id(conn_id);
rdma_destroy_id(&conn_id->id);
- goto out;
+ return ret;
}
mutex_unlock(&conn_id->handler_mutex);
diff --git a/drivers/infiniband/hw/hfi1/sdma.c b/drivers/infiniband/hw/hfi1/sdma.c
index d648a4167832..64ab92f8a4a2 100644
--- a/drivers/infiniband/hw/hfi1/sdma.c
+++ b/drivers/infiniband/hw/hfi1/sdma.c
@@ -1518,8 +1518,11 @@ int sdma_init(struct hfi1_devdata *dd, u8 port)
}
ret = rhashtable_init(tmp_sdma_rht, &sdma_rht_params);
- if (ret < 0)
+ if (ret < 0) {
+ kfree(tmp_sdma_rht);
goto bail;
+ }
+
dd->sdma_rht = tmp_sdma_rht;
dd_dev_info(dd, "SDMA num_sdma: %u\n", dd->num_sdma);
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 5bb81e564ce8..3e8d1f1b562f 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -289,7 +289,9 @@ STORE(__cached_dev)
sysfs_strtoul_clamp(writeback_rate_p_term_inverse,
dc->writeback_rate_p_term_inverse,
1, UINT_MAX);
- d_strtoul_nonzero(writeback_rate_minimum);
+ sysfs_strtoul_clamp(writeback_rate_minimum,
+ dc->writeback_rate_minimum,
+ 1, UINT_MAX);
sysfs_strtoul_clamp(io_error_limit, dc->error_limit, 0, INT_MAX);
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 36805b12661e..d3f28a9e3fd9 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -19,7 +19,6 @@
#include <linux/vmalloc.h>
#include <linux/log2.h>
#include <linux/dm-kcopyd.h>
-#include <linux/semaphore.h>
#include "dm.h"
@@ -106,8 +105,8 @@ struct dm_snapshot {
/* The on disk metadata handler */
struct dm_exception_store *store;
- /* Maximum number of in-flight COW jobs. */
- struct semaphore cow_count;
+ unsigned in_progress;
+ struct wait_queue_head in_progress_wait;
struct dm_kcopyd_client *kcopyd_client;
@@ -158,8 +157,8 @@ struct dm_snapshot {
*/
#define DEFAULT_COW_THRESHOLD 2048
-static int cow_threshold = DEFAULT_COW_THRESHOLD;
-module_param_named(snapshot_cow_threshold, cow_threshold, int, 0644);
+static unsigned cow_threshold = DEFAULT_COW_THRESHOLD;
+module_param_named(snapshot_cow_threshold, cow_threshold, uint, 0644);
MODULE_PARM_DESC(snapshot_cow_threshold, "Maximum number of chunks being copied on write");
DECLARE_DM_KCOPYD_THROTTLE_WITH_MODULE_PARM(snapshot_copy_throttle,
@@ -1207,7 +1206,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad_hash_tables;
}
- sema_init(&s->cow_count, (cow_threshold > 0) ? cow_threshold : INT_MAX);
+ init_waitqueue_head(&s->in_progress_wait);
s->kcopyd_client = dm_kcopyd_client_create(&dm_kcopyd_throttle);
if (IS_ERR(s->kcopyd_client)) {
@@ -1396,9 +1395,56 @@ static void snapshot_dtr(struct dm_target *ti)
dm_put_device(ti, s->origin);
+ WARN_ON(s->in_progress);
+
kfree(s);
}
+static void account_start_copy(struct dm_snapshot *s)
+{
+ spin_lock(&s->in_progress_wait.lock);
+ s->in_progress++;
+ spin_unlock(&s->in_progress_wait.lock);
+}
+
+static void account_end_copy(struct dm_snapshot *s)
+{
+ spin_lock(&s->in_progress_wait.lock);
+ BUG_ON(!s->in_progress);
+ s->in_progress--;
+ if (likely(s->in_progress <= cow_threshold) &&
+ unlikely(waitqueue_active(&s->in_progress_wait)))
+ wake_up_locked(&s->in_progress_wait);
+ spin_unlock(&s->in_progress_wait.lock);
+}
+
+static bool wait_for_in_progress(struct dm_snapshot *s, bool unlock_origins)
+{
+ if (unlikely(s->in_progress > cow_threshold)) {
+ spin_lock(&s->in_progress_wait.lock);
+ if (likely(s->in_progress > cow_threshold)) {
+ /*
+ * NOTE: this throttle doesn't account for whether
+ * the caller is servicing an IO that will trigger a COW
+ * so excess throttling may result for chunks not required
+ * to be COW'd. But if cow_threshold was reached, extra
+ * throttling is unlikely to negatively impact performance.
+ */
+ DECLARE_WAITQUEUE(wait, current);
+ __add_wait_queue(&s->in_progress_wait, &wait);
+ __set_current_state(TASK_UNINTERRUPTIBLE);
+ spin_unlock(&s->in_progress_wait.lock);
+ if (unlock_origins)
+ up_read(&_origins_lock);
+ io_schedule();
+ remove_wait_queue(&s->in_progress_wait, &wait);
+ return false;
+ }
+ spin_unlock(&s->in_progress_wait.lock);
+ }
+ return true;
+}
+
/*
* Flush a list of buffers.
*/
@@ -1414,7 +1460,7 @@ static void flush_bios(struct bio *bio)
}
}
-static int do_origin(struct dm_dev *origin, struct bio *bio);
+static int do_origin(struct dm_dev *origin, struct bio *bio, bool limit);
/*
* Flush a list of buffers.
@@ -1427,7 +1473,7 @@ static void retry_origin_bios(struct dm_snapshot *s, struct bio *bio)
while (bio) {
n = bio->bi_next;
bio->bi_next = NULL;
- r = do_origin(s->origin, bio);
+ r = do_origin(s->origin, bio, false);
if (r == DM_MAPIO_REMAPPED)
generic_make_request(bio);
bio = n;
@@ -1594,7 +1640,7 @@ static void copy_callback(int read_err, unsigned long write_err, void *context)
rb_link_node(&pe->out_of_order_node, parent, p);
rb_insert_color(&pe->out_of_order_node, &s->out_of_order_tree);
}
- up(&s->cow_count);
+ account_end_copy(s);
}
/*
@@ -1618,7 +1664,7 @@ static void start_copy(struct dm_snap_pending_exception *pe)
dest.count = src.count;
/* Hand over to kcopyd */
- down(&s->cow_count);
+ account_start_copy(s);
dm_kcopyd_copy(s->kcopyd_client, &src, 1, &dest, 0, copy_callback, pe);
}
@@ -1638,7 +1684,7 @@ static void start_full_bio(struct dm_snap_pending_exception *pe,
pe->full_bio = bio;
pe->full_bio_end_io = bio->bi_end_io;
- down(&s->cow_count);
+ account_start_copy(s);
callback_data = dm_kcopyd_prepare_callback(s->kcopyd_client,
copy_callback, pe);
@@ -1729,6 +1775,11 @@ static int snapshot_map(struct dm_target *ti, struct bio *bio)
if (!s->valid)
return DM_MAPIO_KILL;
+ if (bio_data_dir(bio) == WRITE) {
+ while (unlikely(!wait_for_in_progress(s, false)))
+ ; /* wait_for_in_progress() has slept */
+ }
+
mutex_lock(&s->lock);
if (!s->valid || (unlikely(s->snapshot_overflowed) &&
@@ -1877,7 +1928,7 @@ static int snapshot_merge_map(struct dm_target *ti, struct bio *bio)
if (bio_data_dir(bio) == WRITE) {
mutex_unlock(&s->lock);
- return do_origin(s->origin, bio);
+ return do_origin(s->origin, bio, false);
}
out_unlock:
@@ -2214,15 +2265,24 @@ static int __origin_write(struct list_head *snapshots, sector_t sector,
/*
* Called on a write from the origin driver.
*/
-static int do_origin(struct dm_dev *origin, struct bio *bio)
+static int do_origin(struct dm_dev *origin, struct bio *bio, bool limit)
{
struct origin *o;
int r = DM_MAPIO_REMAPPED;
+again:
down_read(&_origins_lock);
o = __lookup_origin(origin->bdev);
- if (o)
+ if (o) {
+ if (limit) {
+ struct dm_snapshot *s;
+ list_for_each_entry(s, &o->snapshots, list)
+ if (unlikely(!wait_for_in_progress(s, true)))
+ goto again;
+ }
+
r = __origin_write(&o->snapshots, bio->bi_iter.bi_sector, bio);
+ }
up_read(&_origins_lock);
return r;
@@ -2335,7 +2395,7 @@ static int origin_map(struct dm_target *ti, struct bio *bio)
dm_accept_partial_bio(bio, available_sectors);
/* Only tell snapshots if this is a write */
- return do_origin(o->dev, bio);
+ return do_origin(o->dev, bio, true);
}
static long origin_dax_direct_access(struct dm_target *ti, pgoff_t pgoff,
diff --git a/drivers/media/platform/vimc/vimc-sensor.c b/drivers/media/platform/vimc/vimc-sensor.c
index 9e0d70e9f119..3f0ffd4915cd 100644
--- a/drivers/media/platform/vimc/vimc-sensor.c
+++ b/drivers/media/platform/vimc/vimc-sensor.c
@@ -204,13 +204,6 @@ static void *vimc_sen_process_frame(struct vimc_ent_device *ved,
{
struct vimc_sen_device *vsen = container_of(ved, struct vimc_sen_device,
ved);
- const struct vimc_pix_map *vpix;
- unsigned int frame_size;
-
- /* Calculate the frame size */
- vpix = vimc_pix_map_by_code(vsen->mbus_format.code);
- frame_size = vsen->mbus_format.width * vpix->bpp *
- vsen->mbus_format.height;
tpg_fill_plane_buffer(&vsen->tpg, 0, 0, vsen->frame);
return vsen->frame;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 0d2392c4b625..2804e2d1ae5e 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -4033,7 +4033,7 @@ int bond_update_slave_arr(struct bonding *bond, struct slave *skipslave)
* this to-be-skipped slave to send a packet out.
*/
old_arr = rtnl_dereference(bond->slave_arr);
- for (idx = 0; idx < old_arr->count; idx++) {
+ for (idx = 0; old_arr != NULL && idx < old_arr->count; idx++) {
if (skipslave == old_arr->arr[idx]) {
old_arr->arr[idx] =
old_arr->arr[old_arr->count-1];
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 703e6bdaf0e1..d075f0f7a3de 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -456,10 +456,12 @@ static int mv88e6xxx_g1_irq_setup(struct mv88e6xxx_chip *chip)
*/
irq_set_lockdep_class(chip->irq, &lock_key, &request_key);
+ mutex_unlock(&chip->reg_lock);
err = request_threaded_irq(chip->irq, NULL,
mv88e6xxx_g1_irq_thread_fn,
IRQF_ONESHOT,
dev_name(chip->dev), chip);
+ mutex_lock(&chip->reg_lock);
if (err)
mv88e6xxx_g1_irq_free_common(chip);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index ee126bcf7c35..ccd9aca281b3 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4410,9 +4410,6 @@ static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port,
err = mlxsw_sp_lag_col_port_add(mlxsw_sp_port, lag_id, port_index);
if (err)
goto err_col_port_add;
- err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port, lag_id);
- if (err)
- goto err_col_port_enable;
mlxsw_core_lag_mapping_set(mlxsw_sp->core, lag_id, port_index,
mlxsw_sp_port->local_port);
@@ -4427,8 +4424,6 @@ static int mlxsw_sp_port_lag_join(struct mlxsw_sp_port *mlxsw_sp_port,
return 0;
-err_col_port_enable:
- mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id);
err_col_port_add:
if (!lag->ref_count)
mlxsw_sp_lag_destroy(mlxsw_sp, lag_id);
@@ -4447,7 +4442,6 @@ static void mlxsw_sp_port_lag_leave(struct mlxsw_sp_port *mlxsw_sp_port,
lag = mlxsw_sp_lag_get(mlxsw_sp, lag_id);
WARN_ON(lag->ref_count == 0);
- mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, lag_id);
mlxsw_sp_lag_col_port_remove(mlxsw_sp_port, lag_id);
/* Any VLANs configured on the port are no longer valid */
@@ -4492,21 +4486,56 @@ static int mlxsw_sp_lag_dist_port_remove(struct mlxsw_sp_port *mlxsw_sp_port,
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sldr), sldr_pl);
}
-static int mlxsw_sp_port_lag_tx_en_set(struct mlxsw_sp_port *mlxsw_sp_port,
- bool lag_tx_enabled)
+static int
+mlxsw_sp_port_lag_col_dist_enable(struct mlxsw_sp_port *mlxsw_sp_port)
{
- if (lag_tx_enabled)
- return mlxsw_sp_lag_dist_port_add(mlxsw_sp_port,
- mlxsw_sp_port->lag_id);
- else
- return mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port,
- mlxsw_sp_port->lag_id);
+ int err;
+
+ err = mlxsw_sp_lag_col_port_enable(mlxsw_sp_port,
+ mlxsw_sp_port->lag_id);
+ if (err)
+ return err;
+
+ err = mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
+ if (err)
+ goto err_dist_port_add;
+
+ return 0;
+
+err_dist_port_add:
+ mlxsw_sp_lag_col_port_disable(mlxsw_sp_port, mlxsw_sp_port->lag_id);
+ return err;
+}
+
+static int
+mlxsw_sp_port_lag_col_dist_disable(struct mlxsw_sp_port *mlxsw_sp_port)
+{
+ int err;
+
+ err = mlxsw_sp_lag_dist_port_remove(mlxsw_sp_port,
+ mlxsw_sp_port->lag_id);
+ if (err)
+ return err;
+
+ err = mlxsw_sp_lag_col_port_disable(mlxsw_sp_port,
+ mlxsw_sp_port->lag_id);
+ if (err)
+ goto err_col_port_disable;
+
+ return 0;
+
+err_col_port_disable:
+ mlxsw_sp_lag_dist_port_add(mlxsw_sp_port, mlxsw_sp_port->lag_id);
+ return err;
}
static int mlxsw_sp_port_lag_changed(struct mlxsw_sp_port *mlxsw_sp_port,
struct netdev_lag_lower_state_info *info)
{
- return mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port, info->tx_enabled);
+ if (info->tx_enabled)
+ return mlxsw_sp_port_lag_col_dist_enable(mlxsw_sp_port);
+ else
+ return mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
}
static int mlxsw_sp_port_stp_set(struct mlxsw_sp_port *mlxsw_sp_port,
@@ -4668,8 +4697,7 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev,
err = mlxsw_sp_port_lag_join(mlxsw_sp_port,
upper_dev);
} else {
- mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port,
- false);
+ mlxsw_sp_port_lag_col_dist_disable(mlxsw_sp_port);
mlxsw_sp_port_lag_leave(mlxsw_sp_port,
upper_dev);
}
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 35f39f23d881..8f8c9ede88c2 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -336,7 +336,7 @@ static void sr_set_multicast(struct net_device *net)
static int sr_mdio_read(struct net_device *net, int phy_id, int loc)
{
struct usbnet *dev = netdev_priv(net);
- __le16 res;
+ __le16 res = 0;
mutex_lock(&dev->phy_mutex);
sr_set_sw_mii(dev);
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 5210cffb5344..2791ef2fd716 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -532,7 +532,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
.hw_ops = &wcn3990_ops,
.decap_align_bytes = 1,
.num_peers = TARGET_HL_10_TLV_NUM_PEERS,
- .n_cipher_suites = 8,
+ .n_cipher_suites = 11,
.ast_skid_limit = TARGET_HL_10_TLV_AST_SKID_LIMIT,
.num_wds_entries = TARGET_HL_10_TLV_NUM_WDS_ENTRIES,
.target_64bit = true,
diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c
index 4defb7a0330f..53b66e9434c9 100644
--- a/drivers/net/wireless/ath/ath6kl/usb.c
+++ b/drivers/net/wireless/ath/ath6kl/usb.c
@@ -132,6 +132,10 @@ ath6kl_usb_alloc_urb_from_pipe(struct ath6kl_usb_pipe *pipe)
struct ath6kl_urb_context *urb_context = NULL;
unsigned long flags;
+ /* bail if this pipe is not initialized */
+ if (!pipe->ar_usb)
+ return NULL;
+
spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags);
if (!list_empty(&pipe->urb_list_head)) {
urb_context =
@@ -150,6 +154,10 @@ static void ath6kl_usb_free_urb_to_pipe(struct ath6kl_usb_pipe *pipe,
{
unsigned long flags;
+ /* bail if this pipe is not initialized */
+ if (!pipe->ar_usb)
+ return;
+
spin_lock_irqsave(&pipe->ar_usb->cs_lock, flags);
pipe->urb_cnt++;
diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c
index 3e7fc2983cbb..409a6fa8b6c8 100644
--- a/drivers/net/wireless/ath/wil6210/txrx_edma.c
+++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c
@@ -234,9 +234,10 @@ static int wil_rx_refill_edma(struct wil6210_priv *wil)
struct wil_ring *ring = &wil->ring_rx;
u32 next_head;
int rc = 0;
- u32 swtail = *ring->edma_rx_swtail.va;
+ ring->swtail = *ring->edma_rx_swtail.va;
- for (; next_head = wil_ring_next_head(ring), (next_head != swtail);
+ for (; next_head = wil_ring_next_head(ring),
+ (next_head != ring->swtail);
ring->swhead = next_head) {
rc = wil_ring_alloc_skb_edma(wil, ring, ring->swhead);
if (unlikely(rc)) {
@@ -264,43 +265,26 @@ static void wil_move_all_rx_buff_to_free_list(struct wil6210_priv *wil,
struct wil_ring *ring)
{
struct device *dev = wil_to_dev(wil);
- u32 next_tail;
- u32 swhead = (ring->swhead + 1) % ring->size;
+ struct list_head *active = &wil->rx_buff_mgmt.active;
dma_addr_t pa;
- u16 dmalen;
- for (; next_tail = wil_ring_next_tail(ring), (next_tail != swhead);
- ring->swtail = next_tail) {
- struct wil_rx_enhanced_desc dd, *d = ⅆ
- struct wil_rx_enhanced_desc *_d =
- (struct wil_rx_enhanced_desc *)
- &ring->va[ring->swtail].rx.enhanced;
- struct sk_buff *skb;
- u16 buff_id;
+ while (!list_empty(active)) {
+ struct wil_rx_buff *rx_buff =
+ list_first_entry(active, struct wil_rx_buff, list);
+ struct sk_buff *skb = rx_buff->skb;
- *d = *_d;
-
- /* Extract the SKB from the rx_buff management array */
- buff_id = __le16_to_cpu(d->mac.buff_id);
- if (buff_id >= wil->rx_buff_mgmt.size) {
- wil_err(wil, "invalid buff_id %d\n", buff_id);
- continue;
- }
- skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb;
- wil->rx_buff_mgmt.buff_arr[buff_id].skb = NULL;
if (unlikely(!skb)) {
- wil_err(wil, "No Rx skb at buff_id %d\n", buff_id);
+ wil_err(wil, "No Rx skb at buff_id %d\n", rx_buff->id);
} else {
- pa = wil_rx_desc_get_addr_edma(&d->dma);
- dmalen = le16_to_cpu(d->dma.length);
- dma_unmap_single(dev, pa, dmalen, DMA_FROM_DEVICE);
-
+ rx_buff->skb = NULL;
+ memcpy(&pa, skb->cb, sizeof(pa));
+ dma_unmap_single(dev, pa, wil->rx_buf_len,
+ DMA_FROM_DEVICE);
kfree_skb(skb);
}
/* Move the buffer from the active to the free list */
- list_move(&wil->rx_buff_mgmt.buff_arr[buff_id].list,
- &wil->rx_buff_mgmt.free);
+ list_move(&rx_buff->list, &wil->rx_buff_mgmt.free);
}
}
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 9cb9f0544c9b..2eba6d6f367f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -843,15 +843,17 @@ static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
* firmware versions. Unfortunately, we don't have a TLV API
* flag to rely on, so rely on the major version which is in
* the first byte of ucode_ver. This was implemented
- * initially on version 38 and then backported to29 and 17.
- * The intention was to have it in 36 as well, but not all
- * 8000 family got this feature enabled. The 8000 family is
- * the only one using version 36, so skip this version
- * entirely.
+ * initially on version 38 and then backported to 17. It was
+ * also backported to 29, but only for 7265D devices. The
+ * intention was to have it in 36 as well, but not all 8000
+ * family got this feature enabled. The 8000 family is the
+ * only one using version 36, so skip this version entirely.
*/
return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
- IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 ||
- IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17;
+ IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17 ||
+ (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 &&
+ ((mvm->trans->hw_rev & CSR_HW_REV_TYPE_MSK) ==
+ CSR_HW_REV_TYPE_7265D));
}
int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
diff --git a/drivers/net/wireless/realtek/rtlwifi/ps.c b/drivers/net/wireless/realtek/rtlwifi/ps.c
index 479a4cfc245d..5f998ea2d5a6 100644
--- a/drivers/net/wireless/realtek/rtlwifi/ps.c
+++ b/drivers/net/wireless/realtek/rtlwifi/ps.c
@@ -775,6 +775,9 @@ static void rtl_p2p_noa_ie(struct ieee80211_hw *hw, void *data,
return;
} else {
noa_num = (noa_len - 2) / 13;
+ if (noa_num > P2P_MAX_NOA_NUM)
+ noa_num = P2P_MAX_NOA_NUM;
+
}
noa_index = ie[3];
if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode ==
@@ -869,6 +872,9 @@ static void rtl_p2p_action_ie(struct ieee80211_hw *hw, void *data,
return;
} else {
noa_num = (noa_len - 2) / 13;
+ if (noa_num > P2P_MAX_NOA_NUM)
+ noa_num = P2P_MAX_NOA_NUM;
+
}
noa_index = ie[3];
if (rtlpriv->psc.p2p_ps_info.p2p_ps_mode ==
diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c
index 5d823e965883..fcb57d64d97e 100644
--- a/drivers/nfc/pn533/usb.c
+++ b/drivers/nfc/pn533/usb.c
@@ -559,18 +559,25 @@ static int pn533_usb_probe(struct usb_interface *interface,
rc = pn533_finalize_setup(priv);
if (rc)
- goto error;
+ goto err_deregister;
usb_set_intfdata(interface, phy);
return 0;
+err_deregister:
+ pn533_unregister_device(phy->priv);
error:
+ usb_kill_urb(phy->in_urb);
+ usb_kill_urb(phy->out_urb);
+ usb_kill_urb(phy->ack_urb);
+
usb_free_urb(phy->in_urb);
usb_free_urb(phy->out_urb);
usb_free_urb(phy->ack_urb);
usb_put_dev(phy->udev);
kfree(in_buf);
+ kfree(phy->ack_buffer);
return rc;
}
diff --git a/drivers/pci/pcie/pme.c b/drivers/pci/pcie/pme.c
index e85c5a8206c4..6ac17f0c4077 100644
--- a/drivers/pci/pcie/pme.c
+++ b/drivers/pci/pcie/pme.c
@@ -437,6 +437,7 @@ static void pcie_pme_remove(struct pcie_device *srv)
pcie_pme_disable_interrupt(srv->port, data);
free_irq(srv->irq, srv);
+ cancel_work_sync(&data->work);
kfree(data);
}
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 06be52912dcd..64933994f772 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5083,8 +5083,8 @@ static void quirk_switchtec_ntb_dma_alias(struct pci_dev *pdev)
pci_disable_device(pdev);
}
#define SWITCHTEC_QUIRK(vid) \
- DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_MICROSEMI, vid, \
- quirk_switchtec_ntb_dma_alias)
+ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_MICROSEMI, vid, \
+ PCI_CLASS_BRIDGE_OTHER, 8, quirk_switchtec_ntb_dma_alias)
SWITCHTEC_QUIRK(0x8531); /* PFX 24xG3 */
SWITCHTEC_QUIRK(0x8532); /* PFX 32xG3 */
diff --git a/drivers/platform/x86/intel_atomisp2_pm.c b/drivers/platform/x86/intel_atomisp2_pm.c
index 9371603a0ac9..b0f421fea2a5 100644
--- a/drivers/platform/x86/intel_atomisp2_pm.c
+++ b/drivers/platform/x86/intel_atomisp2_pm.c
@@ -33,46 +33,45 @@
#define ISPSSPM0_IUNIT_POWER_ON 0x0
#define ISPSSPM0_IUNIT_POWER_OFF 0x3
-static int isp_probe(struct pci_dev *dev, const struct pci_device_id *id)
+static int isp_set_power(struct pci_dev *dev, bool enable)
{
unsigned long timeout;
- u32 val;
-
- pci_write_config_dword(dev, PCI_INTERRUPT_CTRL, 0);
-
- /*
- * MRFLD IUNIT DPHY is located in an always-power-on island
- * MRFLD HW design need all CSI ports are disabled before
- * powering down the IUNIT.
- */
- pci_read_config_dword(dev, PCI_CSI_CONTROL, &val);
- val |= PCI_CSI_CONTROL_PORTS_OFF_MASK;
- pci_write_config_dword(dev, PCI_CSI_CONTROL, val);
+ u32 val = enable ? ISPSSPM0_IUNIT_POWER_ON :
+ ISPSSPM0_IUNIT_POWER_OFF;
- /* Write 0x3 to ISPSSPM0 bit[1:0] to power off the IUNIT */
+ /* Write to ISPSSPM0 bit[1:0] to power on/off the IUNIT */
iosf_mbi_modify(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM0,
- ISPSSPM0_IUNIT_POWER_OFF, ISPSSPM0_ISPSSC_MASK);
+ val, ISPSSPM0_ISPSSC_MASK);
/*
* There should be no IUNIT access while power-down is
* in progress HW sighting: 4567865
* Wait up to 50 ms for the IUNIT to shut down.
+ * And we do the same for power on.
*/
timeout = jiffies + msecs_to_jiffies(50);
while (1) {
- /* Wait until ISPSSPM0 bit[25:24] shows 0x3 */
- iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM0, &val);
- val = (val & ISPSSPM0_ISPSSS_MASK) >> ISPSSPM0_ISPSSS_OFFSET;
- if (val == ISPSSPM0_IUNIT_POWER_OFF)
+ u32 tmp;
+
+ /* Wait until ISPSSPM0 bit[25:24] shows the right value */
+ iosf_mbi_read(BT_MBI_UNIT_PMC, MBI_REG_READ, ISPSSPM0, &tmp);
+ tmp = (tmp & ISPSSPM0_ISPSSS_MASK) >> ISPSSPM0_ISPSSS_OFFSET;
+ if (tmp == val)
break;
if (time_after(jiffies, timeout)) {
- dev_err(&dev->dev, "IUNIT power-off timeout.\n");
+ dev_err(&dev->dev, "IUNIT power-%s timeout.\n",
+ enable ? "on" : "off");
return -EBUSY;
}
usleep_range(1000, 2000);
}
+ return 0;
+}
+
+static int isp_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
pm_runtime_allow(&dev->dev);
pm_runtime_put_sync_suspend(&dev->dev);
@@ -87,11 +86,40 @@ static void isp_remove(struct pci_dev *dev)
static int isp_pci_suspend(struct device *dev)
{
+ struct pci_dev *pdev = to_pci_dev(dev);
+ u32 val;
+
+ pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, 0);
+
+ /*
+ * MRFLD IUNIT DPHY is located in an always-power-on island
+ * MRFLD HW design need all CSI ports are disabled before
+ * powering down the IUNIT.
+ */
+ pci_read_config_dword(pdev, PCI_CSI_CONTROL, &val);
+ val |= PCI_CSI_CONTROL_PORTS_OFF_MASK;
+ pci_write_config_dword(pdev, PCI_CSI_CONTROL, val);
+
+ /*
+ * We lose config space access when punit power gates
+ * the ISP. Can't use pci_set_power_state() because
+ * pmcsr won't actually change when we write to it.
+ */
+ pci_save_state(pdev);
+ pdev->current_state = PCI_D3cold;
+ isp_set_power(pdev, false);
+
return 0;
}
static int isp_pci_resume(struct device *dev)
{
+ struct pci_dev *pdev = to_pci_dev(dev);
+
+ isp_set_power(pdev, true);
+ pdev->current_state = PCI_D0;
+ pci_restore_state(pdev);
+
return 0;
}
@@ -99,6 +127,7 @@ static UNIVERSAL_DEV_PM_OPS(isp_pm_ops, isp_pci_suspend,
isp_pci_resume, NULL);
static const struct pci_device_id isp_id_table[] = {
+ { PCI_VDEVICE(INTEL, 0x0f38), },
{ PCI_VDEVICE(INTEL, 0x22b8), },
{ 0, }
};
diff --git a/drivers/power/supply/max14656_charger_detector.c b/drivers/power/supply/max14656_charger_detector.c
index d19307f791c6..9e6472834e37 100644
--- a/drivers/power/supply/max14656_charger_detector.c
+++ b/drivers/power/supply/max14656_charger_detector.c
@@ -240,6 +240,14 @@ static enum power_supply_property max14656_battery_props[] = {
POWER_SUPPLY_PROP_MANUFACTURER,
};
+static void stop_irq_work(void *data)
+{
+ struct max14656_chip *chip = data;
+
+ cancel_delayed_work_sync(&chip->irq_work);
+}
+
+
static int max14656_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
@@ -278,8 +286,6 @@ static int max14656_probe(struct i2c_client *client,
if (ret)
return -ENODEV;
- INIT_DELAYED_WORK(&chip->irq_work, max14656_irq_worker);
-
chip->detect_psy = devm_power_supply_register(dev,
&chip->psy_desc, &psy_cfg);
if (IS_ERR(chip->detect_psy)) {
@@ -287,6 +293,13 @@ static int max14656_probe(struct i2c_client *client,
return -EINVAL;
}
+ INIT_DELAYED_WORK(&chip->irq_work, max14656_irq_worker);
+ ret = devm_add_action(dev, stop_irq_work, chip);
+ if (ret) {
+ dev_err(dev, "devm_add_action %d failed\n", ret);
+ return ret;
+ }
+
ret = devm_request_irq(dev, chip->irq, max14656_irq,
IRQF_TRIGGER_FALLING,
MAX14656_NAME, chip);
diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c
index 3fcd2cbafc84..2e03021f15d1 100644
--- a/drivers/rtc/rtc-pcf8523.c
+++ b/drivers/rtc/rtc-pcf8523.c
@@ -97,8 +97,9 @@ static int pcf8523_voltage_low(struct i2c_client *client)
return !!(value & REG_CONTROL3_BLF);
}
-static int pcf8523_select_capacitance(struct i2c_client *client, bool high)
+static int pcf8523_load_capacitance(struct i2c_client *client)
{
+ u32 load;
u8 value;
int err;
@@ -106,14 +107,24 @@ static int pcf8523_select_capacitance(struct i2c_client *client, bool high)
if (err < 0)
return err;
- if (!high)
- value &= ~REG_CONTROL1_CAP_SEL;
- else
+ load = 12500;
+ of_property_read_u32(client->dev.of_node, "quartz-load-femtofarads",
+ &load);
+
+ switch (load) {
+ default:
+ dev_warn(&client->dev, "Unknown quartz-load-femtofarads value: %d. Assuming 12500",
+ load);
+ /* fall through */
+ case 12500:
value |= REG_CONTROL1_CAP_SEL;
+ break;
+ case 7000:
+ value &= ~REG_CONTROL1_CAP_SEL;
+ break;
+ }
err = pcf8523_write(client, REG_CONTROL1, value);
- if (err < 0)
- return err;
return err;
}
@@ -347,9 +358,10 @@ static int pcf8523_probe(struct i2c_client *client,
if (!pcf)
return -ENOMEM;
- err = pcf8523_select_capacitance(client, true);
+ err = pcf8523_load_capacitance(client);
if (err < 0)
- return err;
+ dev_warn(&client->dev, "failed to set xtal load capacitance: %d",
+ err);
err = pcf8523_set_pm(client, 0);
if (err < 0)
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c
index e2575c8ec93e..22efefcc6cd8 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.c
+++ b/drivers/scsi/lpfc/lpfc_nvmet.c
@@ -1713,7 +1713,11 @@ lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba)
}
tgtp->tport_unreg_cmp = &tport_unreg_cmp;
nvmet_fc_unregister_targetport(phba->targetport);
- wait_for_completion_timeout(&tport_unreg_cmp, 5);
+ if (!wait_for_completion_timeout(tgtp->tport_unreg_cmp,
+ msecs_to_jiffies(LPFC_NVMET_WAIT_TMO)))
+ lpfc_printf_log(phba, KERN_ERR, LOG_NVME,
+ "6179 Unreg targetport %p timeout "
+ "reached.\n", phba->targetport);
lpfc_nvmet_cleanup_io_context(phba);
}
phba->targetport = NULL;
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h
index 0ec1082ce7ef..3b170284a0e5 100644
--- a/drivers/scsi/lpfc/lpfc_nvmet.h
+++ b/drivers/scsi/lpfc/lpfc_nvmet.h
@@ -31,6 +31,8 @@
#define LPFC_NVMET_MRQ_AUTO 0
#define LPFC_NVMET_MRQ_MAX 16
+#define LPFC_NVMET_WAIT_TMO (5 * MSEC_PER_SEC)
+
/* Used for NVME Target */
struct lpfc_nvmet_tgtport {
struct lpfc_hba *phba;
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 200b5bca1f5f..666495f21c24 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -4161,7 +4161,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
/* If pCmd was set to NULL from abort path, do not call scsi_done */
if (xchg(&lpfc_cmd->pCmd, NULL) == NULL) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_FCP,
- "0711 FCP cmd already NULL, sid: 0x%06x, "
+ "5688 FCP cmd already NULL, sid: 0x%06x, "
"did: 0x%06x, oxid: 0x%04x\n",
vport->fc_myDID,
(pnode) ? pnode->nlp_DID : 0,
diff --git a/drivers/staging/mt7621-pinctrl/Kconfig b/drivers/staging/mt7621-pinctrl/Kconfig
index 37cf9c3273be..fc3612711307 100644
--- a/drivers/staging/mt7621-pinctrl/Kconfig
+++ b/drivers/staging/mt7621-pinctrl/Kconfig
@@ -2,3 +2,4 @@ config PINCTRL_RT2880
bool "RT2800 pinctrl driver for RALINK/Mediatek SOCs"
depends on RALINK
select PINMUX
+ select GENERIC_PINCONF
diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
index aa98fbb17013..80e7067cfb79 100644
--- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
+++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c
@@ -11,6 +11,7 @@
#include <linux/of.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinconf.h>
+#include <linux/pinctrl/pinconf-generic.h>
#include <linux/pinctrl/pinmux.h>
#include <linux/pinctrl/consumer.h>
#include <linux/pinctrl/machine.h>
@@ -73,48 +74,12 @@ static int rt2880_get_group_pins(struct pinctrl_dev *pctrldev,
return 0;
}
-static int rt2880_pinctrl_dt_node_to_map(struct pinctrl_dev *pctrldev,
- struct device_node *np_config,
- struct pinctrl_map **map,
- unsigned int *num_maps)
-{
- struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev);
- struct property *prop;
- const char *function_name, *group_name;
- int ret;
- int ngroups = 0;
- unsigned int reserved_maps = 0;
-
- for_each_node_with_property(np_config, "group")
- ngroups++;
-
- *map = NULL;
- ret = pinctrl_utils_reserve_map(pctrldev, map, &reserved_maps,
- num_maps, ngroups);
- if (ret) {
- dev_err(p->dev, "can't reserve map: %d\n", ret);
- return ret;
- }
-
- of_property_for_each_string(np_config, "group", prop, group_name) {
- ret = pinctrl_utils_add_map_mux(pctrldev, map, &reserved_maps,
- num_maps, group_name,
- function_name);
- if (ret) {
- dev_err(p->dev, "can't add map: %d\n", ret);
- return ret;
- }
- }
-
- return 0;
-}
-
static const struct pinctrl_ops rt2880_pctrl_ops = {
.get_groups_count = rt2880_get_group_count,
.get_group_name = rt2880_get_group_name,
.get_group_pins = rt2880_get_group_pins,
- .dt_node_to_map = rt2880_pinctrl_dt_node_to_map,
- .dt_free_map = pinctrl_utils_free_map,
+ .dt_node_to_map = pinconf_generic_dt_node_to_map_all,
+ .dt_free_map = pinconf_generic_dt_free_map,
};
static int rt2880_pmx_func_count(struct pinctrl_dev *pctrldev)
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index dfee6985efa6..8ef7b44b6abc 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -348,8 +348,10 @@ static struct adapter *rtw_usb_if1_init(struct dvobj_priv *dvobj,
}
padapter->HalData = kzalloc(sizeof(struct hal_data_8188e), GFP_KERNEL);
- if (!padapter->HalData)
- DBG_88E("cant not alloc memory for HAL DATA\n");
+ if (!padapter->HalData) {
+ DBG_88E("Failed to allocate memory for HAL data\n");
+ goto free_adapter;
+ }
/* step read_chip_version */
rtw_hal_read_chip_version(padapter);
diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
index b19c960d5490..d46eee369864 100644
--- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c
+++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
@@ -1832,7 +1832,7 @@ static void cxgbit_fw4_ack(struct cxgbit_sock *csk, struct sk_buff *skb)
while (credits) {
struct sk_buff *p = cxgbit_sock_peek_wr(csk);
- const u32 csum = (__force u32)p->csum;
+ u32 csum;
if (unlikely(!p)) {
pr_err("csk 0x%p,%u, cr %u,%u+%u, empty.\n",
@@ -1841,6 +1841,7 @@ static void cxgbit_fw4_ack(struct cxgbit_sock *csk, struct sk_buff *skb)
break;
}
+ csum = (__force u32)p->csum;
if (unlikely(credits < csum)) {
pr_warn("csk 0x%p,%u, cr %u,%u+%u, < %u.\n",
csk, csk->tid,
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index 5cd6bdfa068f..d436a1534fc2 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -142,9 +142,20 @@ static void __iomem *ring_options_base(struct tb_ring *ring)
return io;
}
-static void ring_iowrite16desc(struct tb_ring *ring, u32 value, u32 offset)
+static void ring_iowrite_cons(struct tb_ring *ring, u16 cons)
{
- iowrite16(value, ring_desc_base(ring) + offset);
+ /*
+ * The other 16-bits in the register is read-only and writes to it
+ * are ignored by the hardware so we can save one ioread32() by
+ * filling the read-only bits with zeroes.
+ */
+ iowrite32(cons, ring_desc_base(ring) + 8);
+}
+
+static void ring_iowrite_prod(struct tb_ring *ring, u16 prod)
+{
+ /* See ring_iowrite_cons() above for explanation */
+ iowrite32(prod << 16, ring_desc_base(ring) + 8);
}
static void ring_iowrite32desc(struct tb_ring *ring, u32 value, u32 offset)
@@ -196,7 +207,10 @@ static void ring_write_descriptors(struct tb_ring *ring)
descriptor->sof = frame->sof;
}
ring->head = (ring->head + 1) % ring->size;
- ring_iowrite16desc(ring, ring->head, ring->is_tx ? 10 : 8);
+ if (ring->is_tx)
+ ring_iowrite_prod(ring, ring->head);
+ else
+ ring_iowrite_cons(ring, ring->head);
}
}
@@ -660,7 +674,7 @@ void tb_ring_stop(struct tb_ring *ring)
ring_iowrite32options(ring, 0, 0);
ring_iowrite64desc(ring, 0, 0);
- ring_iowrite16desc(ring, 0, ring->is_tx ? 10 : 8);
+ ring_iowrite32desc(ring, 0, 8);
ring_iowrite32desc(ring, 0, 12);
ring->head = 0;
ring->tail = 0;
diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index bb63519db7ae..c943716c019e 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -968,6 +968,11 @@ static int __init n_hdlc_init(void)
} /* end of init_module() */
+#ifdef CONFIG_SPARC
+#undef __exitdata
+#define __exitdata
+#endif
+
static const char hdlc_unregister_ok[] __exitdata =
KERN_INFO "N_HDLC: line discipline unregistered\n";
static const char hdlc_unregister_fail[] __exitdata =
diff --git a/drivers/tty/serial/owl-uart.c b/drivers/tty/serial/owl-uart.c
index 29a6dc6a8d23..73fcc6bdb031 100644
--- a/drivers/tty/serial/owl-uart.c
+++ b/drivers/tty/serial/owl-uart.c
@@ -742,7 +742,7 @@ static int __init owl_uart_init(void)
return ret;
}
-static void __init owl_uart_exit(void)
+static void __exit owl_uart_exit(void)
{
platform_driver_unregister(&owl_uart_platform_driver);
uart_unregister_driver(&owl_uart_driver);
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index 372cc7ff228f..ebea4a9d8e69 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -328,6 +328,7 @@ struct sc16is7xx_port {
struct kthread_worker kworker;
struct task_struct *kworker_task;
struct kthread_work irq_work;
+ struct mutex efr_lock;
struct sc16is7xx_one p[0];
};
@@ -499,6 +500,21 @@ static int sc16is7xx_set_baud(struct uart_port *port, int baud)
div /= 4;
}
+ /* In an amazing feat of design, the Enhanced Features Register shares
+ * the address of the Interrupt Identification Register, and is
+ * switched in by writing a magic value (0xbf) to the Line Control
+ * Register. Any interrupt firing during this time will see the EFR
+ * where it expects the IIR to be, leading to "Unexpected interrupt"
+ * messages.
+ *
+ * Prevent this possibility by claiming a mutex while accessing the
+ * EFR, and claiming the same mutex from within the interrupt handler.
+ * This is similar to disabling the interrupt, but that doesn't work
+ * because the bulk of the interrupt processing is run as a workqueue
+ * job in thread context.
+ */
+ mutex_lock(&s->efr_lock);
+
lcr = sc16is7xx_port_read(port, SC16IS7XX_LCR_REG);
/* Open the LCR divisors for configuration */
@@ -514,6 +530,8 @@ static int sc16is7xx_set_baud(struct uart_port *port, int baud)
/* Put LCR back to the normal mode */
sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, lcr);
+ mutex_unlock(&s->efr_lock);
+
sc16is7xx_port_update(port, SC16IS7XX_MCR_REG,
SC16IS7XX_MCR_CLKSEL_BIT,
prescaler);
@@ -696,6 +714,8 @@ static void sc16is7xx_ist(struct kthread_work *ws)
{
struct sc16is7xx_port *s = to_sc16is7xx_port(ws, irq_work);
+ mutex_lock(&s->efr_lock);
+
while (1) {
bool keep_polling = false;
int i;
@@ -705,6 +725,8 @@ static void sc16is7xx_ist(struct kthread_work *ws)
if (!keep_polling)
break;
}
+
+ mutex_unlock(&s->efr_lock);
}
static irqreturn_t sc16is7xx_irq(int irq, void *dev_id)
@@ -899,6 +921,9 @@ static void sc16is7xx_set_termios(struct uart_port *port,
if (!(termios->c_cflag & CREAD))
port->ignore_status_mask |= SC16IS7XX_LSR_BRK_ERROR_MASK;
+ /* As above, claim the mutex while accessing the EFR. */
+ mutex_lock(&s->efr_lock);
+
sc16is7xx_port_write(port, SC16IS7XX_LCR_REG,
SC16IS7XX_LCR_CONF_MODE_B);
@@ -920,6 +945,8 @@ static void sc16is7xx_set_termios(struct uart_port *port,
/* Update LCR register */
sc16is7xx_port_write(port, SC16IS7XX_LCR_REG, lcr);
+ mutex_unlock(&s->efr_lock);
+
/* Get baud rate generator configuration */
baud = uart_get_baud_rate(port, termios, old,
port->uartclk / 16 / 4 / 0xffff,
@@ -1185,6 +1212,7 @@ static int sc16is7xx_probe(struct device *dev,
s->regmap = regmap;
s->devtype = devtype;
dev_set_drvdata(dev, s);
+ mutex_init(&s->efr_lock);
kthread_init_worker(&s->kworker);
kthread_init_work(&s->irq_work, sc16is7xx_ist);
diff --git a/drivers/tty/serial/serial_mctrl_gpio.c b/drivers/tty/serial/serial_mctrl_gpio.c
index 07f318603e74..af0412a784d2 100644
--- a/drivers/tty/serial/serial_mctrl_gpio.c
+++ b/drivers/tty/serial/serial_mctrl_gpio.c
@@ -60,6 +60,9 @@ EXPORT_SYMBOL_GPL(mctrl_gpio_set);
struct gpio_desc *mctrl_gpio_to_gpiod(struct mctrl_gpios *gpios,
enum mctrl_gpio_idx gidx)
{
+ if (gpios == NULL)
+ return NULL;
+
return gpios->gpio[gidx];
}
EXPORT_SYMBOL_GPL(mctrl_gpio_to_gpiod);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 8018f813972e..d5fbd36cf462 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -107,6 +107,8 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem);
static void hub_release(struct kref *kref);
static int usb_reset_and_verify_device(struct usb_device *udev);
static int hub_port_disable(struct usb_hub *hub, int port1, int set_state);
+static bool hub_port_warm_reset_required(struct usb_hub *hub, int port1,
+ u16 portstatus);
static inline char *portspeed(struct usb_hub *hub, int portstatus)
{
@@ -1111,6 +1113,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
USB_PORT_FEAT_ENABLE);
}
+ /* Make sure a warm-reset request is handled by port_event */
+ if (type == HUB_RESUME &&
+ hub_port_warm_reset_required(hub, port1, portstatus))
+ set_bit(port1, hub->event_bits);
+
/*
* Add debounce if USB3 link is in polling/link training state.
* Link will automatically transition to Enabled state after
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index aad7edc29bdd..a5c8329fd462 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -3568,6 +3568,7 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
u32 port_status;
u32 speed;
u32 pcgctl;
+ u32 pwr;
switch (typereq) {
case ClearHubFeature:
@@ -3616,8 +3617,11 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
dev_dbg(hsotg->dev,
"ClearPortFeature USB_PORT_FEAT_POWER\n");
hprt0 = dwc2_read_hprt0(hsotg);
+ pwr = hprt0 & HPRT0_PWR;
hprt0 &= ~HPRT0_PWR;
dwc2_writel(hsotg, hprt0, HPRT0);
+ if (pwr)
+ dwc2_vbus_supply_exit(hsotg);
break;
case USB_PORT_FEAT_INDICATOR:
@@ -3827,8 +3831,11 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
dev_dbg(hsotg->dev,
"SetPortFeature - USB_PORT_FEAT_POWER\n");
hprt0 = dwc2_read_hprt0(hsotg);
+ pwr = hprt0 & HPRT0_PWR;
hprt0 |= HPRT0_PWR;
dwc2_writel(hsotg, hprt0, HPRT0);
+ if (!pwr)
+ dwc2_vbus_supply_init(hsotg);
break;
case USB_PORT_FEAT_RESET:
@@ -3845,6 +3852,7 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
dwc2_writel(hsotg, 0, PCGCTL);
hprt0 = dwc2_read_hprt0(hsotg);
+ pwr = hprt0 & HPRT0_PWR;
/* Clear suspend bit if resetting from suspend state */
hprt0 &= ~HPRT0_SUSP;
@@ -3858,6 +3866,8 @@ static int dwc2_hcd_hub_control(struct dwc2_hsotg *hsotg, u16 typereq,
dev_dbg(hsotg->dev,
"In host mode, hprt0=%08x\n", hprt0);
dwc2_writel(hsotg, hprt0, HPRT0);
+ if (!pwr)
+ dwc2_vbus_supply_init(hsotg);
}
/* Clear reset bit in 10ms (FS/LS) or 50ms (HS) */
@@ -4400,6 +4410,7 @@ static int _dwc2_hcd_start(struct usb_hcd *hcd)
struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd);
struct usb_bus *bus = hcd_to_bus(hcd);
unsigned long flags;
+ u32 hprt0;
int ret;
dev_dbg(hsotg->dev, "DWC OTG HCD START\n");
@@ -4416,12 +4427,16 @@ static int _dwc2_hcd_start(struct usb_hcd *hcd)
dwc2_hcd_reinit(hsotg);
- /* enable external vbus supply before resuming root hub */
- spin_unlock_irqrestore(&hsotg->lock, flags);
- ret = dwc2_vbus_supply_init(hsotg);
- if (ret)
- return ret;
- spin_lock_irqsave(&hsotg->lock, flags);
+ hprt0 = dwc2_read_hprt0(hsotg);
+ /* Has vbus power been turned on in dwc2_core_host_init ? */
+ if (hprt0 & HPRT0_PWR) {
+ /* Enable external vbus supply before resuming root hub */
+ spin_unlock_irqrestore(&hsotg->lock, flags);
+ ret = dwc2_vbus_supply_init(hsotg);
+ if (ret)
+ return ret;
+ spin_lock_irqsave(&hsotg->lock, flags);
+ }
/* Initialize and connect root hub if one is not already attached */
if (bus->root_hub) {
@@ -4443,6 +4458,7 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd)
{
struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd);
unsigned long flags;
+ u32 hprt0;
/* Turn off all host-specific interrupts */
dwc2_disable_host_interrupts(hsotg);
@@ -4451,6 +4467,7 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd)
synchronize_irq(hcd->irq);
spin_lock_irqsave(&hsotg->lock, flags);
+ hprt0 = dwc2_read_hprt0(hsotg);
/* Ensure hcd is disconnected */
dwc2_hcd_disconnect(hsotg, true);
dwc2_hcd_stop(hsotg);
@@ -4459,7 +4476,9 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd)
clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
spin_unlock_irqrestore(&hsotg->lock, flags);
- dwc2_vbus_supply_exit(hsotg);
+ /* keep balanced supply init/exit by checking HPRT0_PWR */
+ if (hprt0 & HPRT0_PWR)
+ dwc2_vbus_supply_exit(hsotg);
usleep_range(1000, 3000);
}
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index e7461c995116..54de73255064 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -375,19 +375,9 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,
trace_dwc3_gadget_ep_cmd(dep, cmd, params, cmd_status);
- if (ret == 0) {
- switch (DWC3_DEPCMD_CMD(cmd)) {
- case DWC3_DEPCMD_STARTTRANSFER:
- dep->flags |= DWC3_EP_TRANSFER_STARTED;
- dwc3_gadget_ep_get_transfer_index(dep);
- break;
- case DWC3_DEPCMD_ENDTRANSFER:
- dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
- break;
- default:
- /* nothing */
- break;
- }
+ if (ret == 0 && DWC3_DEPCMD_CMD(cmd) == DWC3_DEPCMD_STARTTRANSFER) {
+ dep->flags |= DWC3_EP_TRANSFER_STARTED;
+ dwc3_gadget_ep_get_transfer_index(dep);
}
if (unlikely(susphy)) {
@@ -1410,7 +1400,10 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
goto out0;
dwc3_gadget_move_cancelled_request(req);
- goto out0;
+ if (dep->flags & DWC3_EP_TRANSFER_STARTED)
+ goto out0;
+ else
+ goto out1;
}
dev_err(dwc->dev, "request %pK was not queued to %s\n",
request, ep->name);
@@ -1418,6 +1411,7 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
goto out0;
}
+out1:
dwc3_gadget_giveback(dep, req, -ECONNRESET);
out0:
@@ -2413,7 +2407,8 @@ static void dwc3_endpoint_interrupt(struct dwc3 *dwc,
cmd = DEPEVT_PARAMETER_CMD(event->parameters);
if (cmd == DWC3_DEPCMD_ENDTRANSFER) {
- dep->flags &= ~DWC3_EP_END_TRANSFER_PENDING;
+ dep->flags &= ~(DWC3_EP_END_TRANSFER_PENDING |
+ DWC3_EP_TRANSFER_STARTED);
dwc3_gadget_ep_cleanup_cancelled_requests(dep);
}
break;
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index af88b48c1cea..aa31d36bed00 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -98,6 +98,17 @@ int usb_ep_enable(struct usb_ep *ep)
if (ep->enabled)
goto out;
+ /* UDC drivers can't handle endpoints with maxpacket size 0 */
+ if (usb_endpoint_maxp(ep->desc) == 0) {
+ /*
+ * We should log an error message here, but we can't call
+ * dev_err() because there's no way to find the gadget
+ * given only ep.
+ */
+ ret = -EINVAL;
+ goto out;
+ }
+
ret = ep->ops->enable(ep, ep->desc);
if (ret)
goto out;
diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c
index 7ba6afc7ef23..76c3f29562d2 100644
--- a/drivers/usb/host/xhci-debugfs.c
+++ b/drivers/usb/host/xhci-debugfs.c
@@ -202,10 +202,10 @@ static void xhci_ring_dump_segment(struct seq_file *s,
trb = &seg->trbs[i];
dma = seg->dma + i * sizeof(*trb);
seq_printf(s, "%pad: %s\n", &dma,
- xhci_decode_trb(trb->generic.field[0],
- trb->generic.field[1],
- trb->generic.field[2],
- trb->generic.field[3]));
+ xhci_decode_trb(le32_to_cpu(trb->generic.field[0]),
+ le32_to_cpu(trb->generic.field[1]),
+ le32_to_cpu(trb->generic.field[2]),
+ le32_to_cpu(trb->generic.field[3])));
}
}
@@ -263,10 +263,10 @@ static int xhci_slot_context_show(struct seq_file *s, void *unused)
xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus));
slot_ctx = xhci_get_slot_ctx(xhci, dev->out_ctx);
seq_printf(s, "%pad: %s\n", &dev->out_ctx->dma,
- xhci_decode_slot_context(slot_ctx->dev_info,
- slot_ctx->dev_info2,
- slot_ctx->tt_info,
- slot_ctx->dev_state));
+ xhci_decode_slot_context(le32_to_cpu(slot_ctx->dev_info),
+ le32_to_cpu(slot_ctx->dev_info2),
+ le32_to_cpu(slot_ctx->tt_info),
+ le32_to_cpu(slot_ctx->dev_state)));
return 0;
}
@@ -286,10 +286,10 @@ static int xhci_endpoint_context_show(struct seq_file *s, void *unused)
ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, dci);
dma = dev->out_ctx->dma + dci * CTX_SIZE(xhci->hcc_params);
seq_printf(s, "%pad: %s\n", &dma,
- xhci_decode_ep_context(ep_ctx->ep_info,
- ep_ctx->ep_info2,
- ep_ctx->deq,
- ep_ctx->tx_info));
+ xhci_decode_ep_context(le32_to_cpu(ep_ctx->ep_info),
+ le32_to_cpu(ep_ctx->ep_info2),
+ le64_to_cpu(ep_ctx->deq),
+ le32_to_cpu(ep_ctx->tx_info)));
}
return 0;
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index 6b3a6fd7d271..320b06e0724b 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -495,11 +495,11 @@ static ssize_t ld_usb_read(struct file *file, char __user *buffer, size_t count,
retval = -EFAULT;
goto unlock_exit;
}
- dev->ring_tail = (dev->ring_tail+1) % ring_buffer_size;
-
retval = bytes_to_read;
spin_lock_irq(&dev->rbsl);
+ dev->ring_tail = (dev->ring_tail + 1) % ring_buffer_size;
+
if (dev->buffer_overflow) {
dev->buffer_overflow = 0;
spin_unlock_irq(&dev->rbsl);
@@ -580,7 +580,7 @@ static ssize_t ld_usb_write(struct file *file, const char __user *buffer,
1 << 8, 0,
dev->interrupt_out_buffer,
bytes_to_write,
- USB_CTRL_SET_TIMEOUT * HZ);
+ USB_CTRL_SET_TIMEOUT);
if (retval < 0)
dev_err(&dev->intf->dev,
"Couldn't submit HID_REQ_SET_REPORT %d\n",
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index 62dab2441ec4..23061f1526b4 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -878,7 +878,7 @@ static int tower_probe (struct usb_interface *interface, const struct usb_device
get_version_reply,
sizeof(*get_version_reply),
1000);
- if (result < sizeof(*get_version_reply)) {
+ if (result != sizeof(*get_version_reply)) {
if (result >= 0)
result = -EIO;
dev_err(idev, "get version request failed: %d\n", result);
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 1c7b46a8620c..16b275123f10 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -571,6 +571,10 @@ static int firm_send_command(struct usb_serial_port *port, __u8 command,
command_port = port->serial->port[COMMAND_PORT];
command_info = usb_get_serial_port_data(command_port);
+
+ if (command_port->bulk_out_size < datasize + 1)
+ return -EIO;
+
mutex_lock(&command_info->mutex);
command_info->command_finished = false;
@@ -644,6 +648,7 @@ static void firm_setup_port(struct tty_struct *tty)
struct device *dev = &port->dev;
struct whiteheat_port_settings port_settings;
unsigned int cflag = tty->termios.c_cflag;
+ speed_t baud;
port_settings.port = port->port_number + 1;
@@ -704,11 +709,13 @@ static void firm_setup_port(struct tty_struct *tty)
dev_dbg(dev, "%s - XON = %2x, XOFF = %2x\n", __func__, port_settings.xon, port_settings.xoff);
/* get the baud rate wanted */
- port_settings.baud = tty_get_baud_rate(tty);
- dev_dbg(dev, "%s - baud rate = %d\n", __func__, port_settings.baud);
+ baud = tty_get_baud_rate(tty);
+ port_settings.baud = cpu_to_le32(baud);
+ dev_dbg(dev, "%s - baud rate = %u\n", __func__, baud);
/* fixme: should set validated settings */
- tty_encode_baud_rate(tty, port_settings.baud, port_settings.baud);
+ tty_encode_baud_rate(tty, baud, baud);
+
/* handle any settings that aren't specified in the tty structure */
port_settings.lloop = 0;
diff --git a/drivers/usb/serial/whiteheat.h b/drivers/usb/serial/whiteheat.h
index 72c1b0cf4063..56a3e8323f33 100644
--- a/drivers/usb/serial/whiteheat.h
+++ b/drivers/usb/serial/whiteheat.h
@@ -87,7 +87,7 @@ struct whiteheat_simple {
struct whiteheat_port_settings {
__u8 port; /* port number (1 to N) */
- __u32 baud; /* any value 7 - 460800, firmware calculates
+ __le32 baud; /* any value 7 - 460800, firmware calculates
best fit; arrives little endian */
__u8 bits; /* 5, 6, 7, or 8 */
__u8 stop; /* 1 or 2, default 1 (2 = 1.5 if bits = 5) */
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 59d82b45e758..f287ee8183df 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -65,7 +65,6 @@ static const char* host_info(struct Scsi_Host *host)
static int slave_alloc (struct scsi_device *sdev)
{
struct us_data *us = host_to_us(sdev->host);
- int maxp;
/*
* Set the INQUIRY transfer length to 36. We don't use any of
@@ -74,15 +73,6 @@ static int slave_alloc (struct scsi_device *sdev)
*/
sdev->inquiry_len = 36;
- /*
- * USB has unusual scatter-gather requirements: the length of each
- * scatterlist element except the last must be divisible by the
- * Bulk maxpacket value. Fortunately this value is always a
- * power of 2. Inform the block layer about this requirement.
- */
- maxp = usb_maxpacket(us->pusb_dev, us->recv_bulk_pipe, 0);
- blk_queue_virt_boundary(sdev->request_queue, maxp - 1);
-
/*
* Some host controllers may have alignment requirements.
* We'll play it safe by requiring 512-byte alignment always.
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 5b1d09367475..bad391da4b8e 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -796,29 +796,9 @@ static int uas_slave_alloc(struct scsi_device *sdev)
{
struct uas_dev_info *devinfo =
(struct uas_dev_info *)sdev->host->hostdata;
- int maxp;
sdev->hostdata = devinfo;
- /*
- * We have two requirements here. We must satisfy the requirements
- * of the physical HC and the demands of the protocol, as we
- * definitely want no additional memory allocation in this path
- * ruling out using bounce buffers.
- *
- * For a transmission on USB to continue we must never send
- * a package that is smaller than maxpacket. Hence the length of each
- * scatterlist element except the last must be divisible by the
- * Bulk maxpacket value.
- * If the HC does not ensure that through SG,
- * the upper layer must do that. We must assume nothing
- * about the capabilities off the HC, so we use the most
- * pessimistic requirement.
- */
-
- maxp = usb_maxpacket(devinfo->udev, devinfo->data_in_pipe, 0);
- blk_queue_virt_boundary(sdev->request_queue, maxp - 1);
-
/*
* The protocol has no requirements on alignment in the strict sense.
* Controllers may or may not have alignment restrictions.
diff --git a/drivers/virt/vboxguest/vboxguest_utils.c b/drivers/virt/vboxguest/vboxguest_utils.c
index bf4474214b4d..92091006589a 100644
--- a/drivers/virt/vboxguest/vboxguest_utils.c
+++ b/drivers/virt/vboxguest/vboxguest_utils.c
@@ -217,6 +217,8 @@ static int hgcm_call_preprocess_linaddr(
if (!bounce_buf)
return -ENOMEM;
+ *bounce_buf_ret = bounce_buf;
+
if (copy_in) {
ret = copy_from_user(bounce_buf, (void __user *)buf, len);
if (ret)
@@ -225,7 +227,6 @@ static int hgcm_call_preprocess_linaddr(
memset(bounce_buf, 0, len);
}
- *bounce_buf_ret = bounce_buf;
hgcm_call_add_pagelist_size(bounce_buf, len, extra);
return 0;
}
diff --git a/fs/binfmt_script.c b/fs/binfmt_script.c
index 7cde3f46ad26..e996174cbfc0 100644
--- a/fs/binfmt_script.c
+++ b/fs/binfmt_script.c
@@ -14,13 +14,30 @@
#include <linux/err.h>
#include <linux/fs.h>
+static inline bool spacetab(char c) { return c == ' ' || c == '\t'; }
+static inline char *next_non_spacetab(char *first, const char *last)
+{
+ for (; first <= last; first++)
+ if (!spacetab(*first))
+ return first;
+ return NULL;
+}
+static inline char *next_terminator(char *first, const char *last)
+{
+ for (; first <= last; first++)
+ if (spacetab(*first) || !*first)
+ return first;
+ return NULL;
+}
+
static int load_script(struct linux_binprm *bprm)
{
const char *i_arg, *i_name;
- char *cp;
+ char *cp, *buf_end;
struct file *file;
int retval;
+ /* Not ours to exec if we don't start with "#!". */
if ((bprm->buf[0] != '#') || (bprm->buf[1] != '!'))
return -ENOEXEC;
@@ -33,18 +50,40 @@ static int load_script(struct linux_binprm *bprm)
if (bprm->interp_flags & BINPRM_FLAGS_PATH_INACCESSIBLE)
return -ENOENT;
- /*
- * This section does the #! interpretation.
- * Sorta complicated, but hopefully it will work. -TYT
- */
-
+ /* Release since we are not mapping a binary into memory. */
allow_write_access(bprm->file);
fput(bprm->file);
bprm->file = NULL;
- bprm->buf[BINPRM_BUF_SIZE - 1] = '\0';
- if ((cp = strchr(bprm->buf, '\n')) == NULL)
- cp = bprm->buf+BINPRM_BUF_SIZE-1;
+ /*
+ * This section handles parsing the #! line into separate
+ * interpreter path and argument strings. We must be careful
+ * because bprm->buf is not yet guaranteed to be NUL-terminated
+ * (though the buffer will have trailing NUL padding when the
+ * file size was smaller than the buffer size).
+ *
+ * We do not want to exec a truncated interpreter path, so either
+ * we find a newline (which indicates nothing is truncated), or
+ * we find a space/tab/NUL after the interpreter path (which
+ * itself may be preceded by spaces/tabs). Truncating the
+ * arguments is fine: the interpreter can re-read the script to
+ * parse them on its own.
+ */
+ buf_end = bprm->buf + sizeof(bprm->buf) - 1;
+ cp = strnchr(bprm->buf, sizeof(bprm->buf), '\n');
+ if (!cp) {
+ cp = next_non_spacetab(bprm->buf + 2, buf_end);
+ if (!cp)
+ return -ENOEXEC; /* Entire buf is spaces/tabs */
+ /*
+ * If there is no later space/tab/NUL we must assume the
+ * interpreter path is truncated.
+ */
+ if (!next_terminator(cp, buf_end))
+ return -ENOEXEC;
+ cp = buf_end;
+ }
+ /* NUL-terminate the buffer and any trailing spaces/tabs. */
*cp = '\0';
while (cp > bprm->buf) {
cp--;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index faca485ccd8f..cc2d268e2cd7 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2747,8 +2747,7 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root,
int nitems, bool use_global_rsv);
void btrfs_subvolume_release_metadata(struct btrfs_fs_info *fs_info,
struct btrfs_block_rsv *rsv);
-void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes,
- bool qgroup_free);
+void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes);
int btrfs_delalloc_reserve_metadata(struct btrfs_inode *inode, u64 num_bytes);
void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes,
@@ -3178,6 +3177,9 @@ void btrfs_destroy_inode(struct inode *inode);
int btrfs_drop_inode(struct inode *inode);
int __init btrfs_init_cachep(void);
void __cold btrfs_destroy_cachep(void);
+struct inode *btrfs_iget_path(struct super_block *s, struct btrfs_key *location,
+ struct btrfs_root *root, int *new,
+ struct btrfs_path *path);
struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
struct btrfs_root *root, int *was_new);
struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 72c745682996..024dd336b20a 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5980,8 +5980,7 @@ void btrfs_delalloc_release_metadata(struct btrfs_inode *inode, u64 num_bytes,
* temporarily tracked outstanding_extents. This _must_ be used in conjunction
* with btrfs_delalloc_reserve_metadata.
*/
-void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes,
- bool qgroup_free)
+void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes)
{
struct btrfs_fs_info *fs_info = inode->root->fs_info;
unsigned num_extents;
@@ -5995,7 +5994,7 @@ void btrfs_delalloc_release_extents(struct btrfs_inode *inode, u64 num_bytes,
if (btrfs_is_testing(fs_info))
return;
- btrfs_inode_rsv_release(inode, qgroup_free);
+ btrfs_inode_rsv_release(inode, true);
}
/**
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 4870440d6424..a456801e0cd5 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1591,7 +1591,6 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb,
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
struct btrfs_root *root = BTRFS_I(inode)->root;
struct page **pages = NULL;
- struct extent_state *cached_state = NULL;
struct extent_changeset *data_reserved = NULL;
u64 release_bytes = 0;
u64 lockstart;
@@ -1612,6 +1611,7 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb,
while (iov_iter_count(i) > 0) {
size_t offset = pos & (PAGE_SIZE - 1);
+ struct extent_state *cached_state = NULL;
size_t sector_offset;
size_t write_bytes = min(iov_iter_count(i),
nrptrs * (size_t)PAGE_SIZE -
@@ -1692,7 +1692,7 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb,
force_page_uptodate);
if (ret) {
btrfs_delalloc_release_extents(BTRFS_I(inode),
- reserve_bytes, true);
+ reserve_bytes);
break;
}
@@ -1704,7 +1704,7 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb,
if (extents_locked == -EAGAIN)
goto again;
btrfs_delalloc_release_extents(BTRFS_I(inode),
- reserve_bytes, true);
+ reserve_bytes);
ret = extents_locked;
break;
}
@@ -1758,11 +1758,21 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb,
if (copied > 0)
ret = btrfs_dirty_pages(inode, pages, dirty_pages,
pos, copied, &cached_state);
+
+ /*
+ * If we have not locked the extent range, because the range's
+ * start offset is >= i_size, we might still have a non-NULL
+ * cached extent state, acquired while marking the extent range
+ * as delalloc through btrfs_dirty_pages(). Therefore free any
+ * possible cached extent state to avoid a memory leak.
+ */
if (extents_locked)
unlock_extent_cached(&BTRFS_I(inode)->io_tree,
lockstart, lockend, &cached_state);
- btrfs_delalloc_release_extents(BTRFS_I(inode), reserve_bytes,
- true);
+ else
+ free_extent_state(cached_state);
+
+ btrfs_delalloc_release_extents(BTRFS_I(inode), reserve_bytes);
if (ret) {
btrfs_drop_pages(pages, num_pages);
break;
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 4381e0aba8c0..ec01bd38d675 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -75,7 +75,8 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
* sure NOFS is set to keep us from deadlocking.
*/
nofs_flag = memalloc_nofs_save();
- inode = btrfs_iget(fs_info->sb, &location, root, NULL);
+ inode = btrfs_iget_path(fs_info->sb, &location, root, NULL, path);
+ btrfs_release_path(path);
memalloc_nofs_restore(nofs_flag);
if (IS_ERR(inode))
return inode;
@@ -839,6 +840,25 @@ int load_free_space_cache(struct btrfs_fs_info *fs_info,
path->search_commit_root = 1;
path->skip_locking = 1;
+ /*
+ * We must pass a path with search_commit_root set to btrfs_iget in
+ * order to avoid a deadlock when allocating extents for the tree root.
+ *
+ * When we are COWing an extent buffer from the tree root, when looking
+ * for a free extent, at extent-tree.c:find_free_extent(), we can find
+ * block group without its free space cache loaded. When we find one
+ * we must load its space cache which requires reading its free space
+ * cache's inode item from the root tree. If this inode item is located
+ * in the same leaf that we started COWing before, then we end up in
+ * deadlock on the extent buffer (trying to read lock it when we
+ * previously write locked it).
+ *
+ * It's safe to read the inode item using the commit root because
+ * block groups, once loaded, stay in memory forever (until they are
+ * removed) as well as their space caches once loaded. New block groups
+ * once created get their ->cached field set to BTRFS_CACHE_FINISHED so
+ * we will never try to read their inode item while the fs is mounted.
+ */
inode = lookup_free_space_inode(fs_info, block_group, path);
if (IS_ERR(inode)) {
btrfs_free_path(path);
diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c
index ffca2abf13d0..e1b50c62ba65 100644
--- a/fs/btrfs/inode-map.c
+++ b/fs/btrfs/inode-map.c
@@ -483,12 +483,13 @@ int btrfs_save_ino_cache(struct btrfs_root *root,
ret = btrfs_prealloc_file_range_trans(inode, trans, 0, 0, prealloc,
prealloc, prealloc, &alloc_hint);
if (ret) {
- btrfs_delalloc_release_extents(BTRFS_I(inode), prealloc, true);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), prealloc);
+ btrfs_delalloc_release_metadata(BTRFS_I(inode), prealloc, true);
goto out_put;
}
ret = btrfs_write_out_ino_cache(root, trans, path, inode);
- btrfs_delalloc_release_extents(BTRFS_I(inode), prealloc, false);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), prealloc);
out_put:
iput(inode);
out_release:
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 37332f83a3a9..f0f7bc5d2e4a 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2166,7 +2166,7 @@ static void btrfs_writepage_fixup_worker(struct btrfs_work *work)
ClearPageChecked(page);
set_page_dirty(page);
- btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, false);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE);
out:
unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start, page_end,
&cached_state);
@@ -3607,10 +3607,11 @@ static noinline int acls_after_inode_item(struct extent_buffer *leaf,
/*
* read an inode from the btree into the in-memory inode
*/
-static int btrfs_read_locked_inode(struct inode *inode)
+static int btrfs_read_locked_inode(struct inode *inode,
+ struct btrfs_path *in_path)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
- struct btrfs_path *path;
+ struct btrfs_path *path = in_path;
struct extent_buffer *leaf;
struct btrfs_inode_item *inode_item;
struct btrfs_root *root = BTRFS_I(inode)->root;
@@ -3626,15 +3627,18 @@ static int btrfs_read_locked_inode(struct inode *inode)
if (!ret)
filled = true;
- path = btrfs_alloc_path();
- if (!path)
- return -ENOMEM;
+ if (!path) {
+ path = btrfs_alloc_path();
+ if (!path)
+ return -ENOMEM;
+ }
memcpy(&location, &BTRFS_I(inode)->location, sizeof(location));
ret = btrfs_lookup_inode(NULL, root, path, &location, 0);
if (ret) {
- btrfs_free_path(path);
+ if (path != in_path)
+ btrfs_free_path(path);
return ret;
}
@@ -3774,7 +3778,8 @@ static int btrfs_read_locked_inode(struct inode *inode)
btrfs_ino(BTRFS_I(inode)),
root->root_key.objectid, ret);
}
- btrfs_free_path(path);
+ if (path != in_path)
+ btrfs_free_path(path);
if (!maybe_acls)
cache_no_acl(inode);
@@ -4918,7 +4923,7 @@ int btrfs_truncate_block(struct inode *inode, loff_t from, loff_t len,
if (!page) {
btrfs_delalloc_release_space(inode, data_reserved,
block_start, blocksize, true);
- btrfs_delalloc_release_extents(BTRFS_I(inode), blocksize, true);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), blocksize);
ret = -ENOMEM;
goto out;
}
@@ -4986,7 +4991,7 @@ int btrfs_truncate_block(struct inode *inode, loff_t from, loff_t len,
if (ret)
btrfs_delalloc_release_space(inode, data_reserved, block_start,
blocksize, true);
- btrfs_delalloc_release_extents(BTRFS_I(inode), blocksize, (ret != 0));
+ btrfs_delalloc_release_extents(BTRFS_I(inode), blocksize);
unlock_page(page);
put_page(page);
out:
@@ -5716,8 +5721,9 @@ static struct inode *btrfs_iget_locked(struct super_block *s,
/* Get an inode object given its location and corresponding root.
* Returns in *is_new if the inode was read from disk
*/
-struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
- struct btrfs_root *root, int *new)
+struct inode *btrfs_iget_path(struct super_block *s, struct btrfs_key *location,
+ struct btrfs_root *root, int *new,
+ struct btrfs_path *path)
{
struct inode *inode;
@@ -5728,7 +5734,7 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
if (inode->i_state & I_NEW) {
int ret;
- ret = btrfs_read_locked_inode(inode);
+ ret = btrfs_read_locked_inode(inode, path);
if (!ret) {
inode_tree_add(inode);
unlock_new_inode(inode);
@@ -5750,6 +5756,12 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
return inode;
}
+struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
+ struct btrfs_root *root, int *new)
+{
+ return btrfs_iget_path(s, location, root, new, NULL);
+}
+
static struct inode *new_simple_dir(struct super_block *s,
struct btrfs_key *key,
struct btrfs_root *root)
@@ -8660,7 +8672,7 @@ static ssize_t btrfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
} else if (ret >= 0 && (size_t)ret < count)
btrfs_delalloc_release_space(inode, data_reserved,
offset, count - (size_t)ret, true);
- btrfs_delalloc_release_extents(BTRFS_I(inode), count, false);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), count);
}
out:
if (wakeup)
@@ -9013,7 +9025,7 @@ vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf)
unlock_extent_cached(io_tree, page_start, page_end, &cached_state);
if (!ret2) {
- btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, true);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE);
sb_end_pagefault(inode->i_sb);
extent_changeset_free(data_reserved);
return VM_FAULT_LOCKED;
@@ -9022,7 +9034,7 @@ vm_fault_t btrfs_page_mkwrite(struct vm_fault *vmf)
out_unlock:
unlock_page(page);
out:
- btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE, (ret != 0));
+ btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE);
btrfs_delalloc_release_space(inode, data_reserved, page_start,
reserved_space, (ret != 0));
out_noreserve:
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 0eb333c62fe4..7592beb53fc4 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1359,8 +1359,7 @@ static int cluster_pages_for_defrag(struct inode *inode,
unlock_page(pages[i]);
put_page(pages[i]);
}
- btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT,
- false);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT);
extent_changeset_free(data_reserved);
return i_done;
out:
@@ -1371,8 +1370,7 @@ static int cluster_pages_for_defrag(struct inode *inode,
btrfs_delalloc_release_space(inode, data_reserved,
start_index << PAGE_SHIFT,
page_cnt << PAGE_SHIFT, true);
- btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT,
- true);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT);
extent_changeset_free(data_reserved);
return ret;
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index 3ea2008dcde3..cdd6d5021000 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -3259,7 +3259,7 @@ int __btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes,
return 0;
BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize));
- trace_qgroup_meta_reserve(root, type, (s64)num_bytes);
+ trace_qgroup_meta_reserve(root, (s64)num_bytes, type);
ret = qgroup_reserve(root, num_bytes, enforce, type);
if (ret < 0)
return ret;
@@ -3306,7 +3306,7 @@ void __btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes,
*/
num_bytes = sub_root_meta_rsv(root, num_bytes, type);
BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize));
- trace_qgroup_meta_reserve(root, type, -(s64)num_bytes);
+ trace_qgroup_meta_reserve(root, -(s64)num_bytes, type);
btrfs_qgroup_free_refroot(fs_info, root->objectid, num_bytes, type);
}
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index bccd9dede2af..b4958f724ce5 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -3188,7 +3188,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
btrfs_delalloc_release_metadata(BTRFS_I(inode),
PAGE_SIZE, true);
btrfs_delalloc_release_extents(BTRFS_I(inode),
- PAGE_SIZE, true);
+ PAGE_SIZE);
ret = -ENOMEM;
goto out;
}
@@ -3209,7 +3209,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
btrfs_delalloc_release_metadata(BTRFS_I(inode),
PAGE_SIZE, true);
btrfs_delalloc_release_extents(BTRFS_I(inode),
- PAGE_SIZE, true);
+ PAGE_SIZE);
ret = -EIO;
goto out;
}
@@ -3238,7 +3238,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
btrfs_delalloc_release_metadata(BTRFS_I(inode),
PAGE_SIZE, true);
btrfs_delalloc_release_extents(BTRFS_I(inode),
- PAGE_SIZE, true);
+ PAGE_SIZE);
clear_extent_bits(&BTRFS_I(inode)->io_tree,
page_start, page_end,
@@ -3254,8 +3254,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
put_page(page);
index++;
- btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE,
- false);
+ btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE);
balance_dirty_pages_ratelimited(inode->i_mapping);
btrfs_throttle(fs_info);
}
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 86a54b809c48..8b9471904f67 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1521,9 +1521,10 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)
/* set up first two iov for signature check and to get credits */
rdata->iov[0].iov_base = buf;
- rdata->iov[0].iov_len = 4;
- rdata->iov[1].iov_base = buf + 4;
- rdata->iov[1].iov_len = server->total_read - 4;
+ rdata->iov[0].iov_len = server->vals->header_preamble_size;
+ rdata->iov[1].iov_base = buf + server->vals->header_preamble_size;
+ rdata->iov[1].iov_len =
+ server->total_read - server->vals->header_preamble_size;
cifs_dbg(FYI, "0: iov_base=%p iov_len=%zu\n",
rdata->iov[0].iov_base, rdata->iov[0].iov_len);
cifs_dbg(FYI, "1: iov_base=%p iov_len=%zu\n",
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 966e493c82e5..7e85070d010f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -930,6 +930,26 @@ cifs_handle_standard(struct TCP_Server_Info *server, struct mid_q_entry *mid)
return 0;
}
+static void
+smb2_add_credits_from_hdr(char *buffer, struct TCP_Server_Info *server)
+{
+ struct smb2_sync_hdr *shdr = (struct smb2_sync_hdr *)buffer;
+
+ /*
+ * SMB1 does not use credits.
+ */
+ if (server->vals->header_preamble_size)
+ return;
+
+ if (shdr->CreditRequest) {
+ spin_lock(&server->req_lock);
+ server->credits += le16_to_cpu(shdr->CreditRequest);
+ spin_unlock(&server->req_lock);
+ wake_up(&server->request_q);
+ }
+}
+
+
static int
cifs_demultiplex_thread(void *p)
{
@@ -1059,6 +1079,7 @@ cifs_demultiplex_thread(void *p)
} else if (server->ops->is_oplock_break &&
server->ops->is_oplock_break(bufs[i],
server)) {
+ smb2_add_credits_from_hdr(bufs[i], server);
cifs_dbg(FYI, "Received oplock break\n");
} else {
cifs_dbg(VFS, "No task to wake, unknown frame "
@@ -1070,6 +1091,7 @@ cifs_demultiplex_thread(void *p)
if (server->ops->dump_detail)
server->ops->dump_detail(bufs[i],
server);
+ smb2_add_credits_from_hdr(bufs[i], server);
cifs_dump_mids(server);
#endif /* CIFS_DEBUG2 */
}
diff --git a/fs/cifs/netmisc.c b/fs/cifs/netmisc.c
index fdd908e4a26b..66c10121a6ea 100644
--- a/fs/cifs/netmisc.c
+++ b/fs/cifs/netmisc.c
@@ -130,10 +130,6 @@ static const struct smb_to_posix_error mapping_table_ERRSRV[] = {
{0, 0}
};
-static const struct smb_to_posix_error mapping_table_ERRHRD[] = {
- {0, 0}
-};
-
/*
* Convert a string containing text IPv4 or IPv6 address to binary form.
*
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 0a7ed2e3ad4f..e311f58dc1c8 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -659,13 +659,6 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
if (rsp->sync_hdr.Command != SMB2_OPLOCK_BREAK)
return false;
- if (rsp->sync_hdr.CreditRequest) {
- spin_lock(&server->req_lock);
- server->credits += le16_to_cpu(rsp->sync_hdr.CreditRequest);
- spin_unlock(&server->req_lock);
- wake_up(&server->request_q);
- }
-
if (rsp->StructureSize !=
smb2_rsp_struct_sizes[SMB2_OPLOCK_BREAK_HE]) {
if (le16_to_cpu(rsp->StructureSize) == 44)
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index f0d966da7f37..6fc16329ceb4 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -3000,10 +3000,10 @@ handle_read_data(struct TCP_Server_Info *server, struct mid_q_entry *mid,
/* set up first two iov to get credits */
rdata->iov[0].iov_base = buf;
- rdata->iov[0].iov_len = 4;
- rdata->iov[1].iov_base = buf + 4;
+ rdata->iov[0].iov_len = 0;
+ rdata->iov[1].iov_base = buf;
rdata->iov[1].iov_len =
- min_t(unsigned int, buf_len, server->vals->read_rsp_size) - 4;
+ min_t(unsigned int, buf_len, server->vals->read_rsp_size);
cifs_dbg(FYI, "0: iov_base=%p iov_len=%zu\n",
rdata->iov[0].iov_base, rdata->iov[0].iov_len);
cifs_dbg(FYI, "1: iov_base=%p iov_len=%zu\n",
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index abb6fcff0a1d..783c54bb2ce7 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -132,6 +132,7 @@ static long swap_inode_boot_loader(struct super_block *sb,
if (inode->i_nlink != 1 || !S_ISREG(inode->i_mode) ||
IS_SWAPFILE(inode) || IS_ENCRYPTED(inode) ||
+ (EXT4_I(inode)->i_flags & EXT4_JOURNAL_DATA_FL) ||
ext4_has_inline_data(inode)) {
err = -EINVAL;
goto journal_err_out;
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 0b224f4a4a65..2c3be4c3c626 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -226,6 +226,9 @@ static void recover_inode(struct inode *inode, struct page *page)
F2FS_I(inode)->i_advise = raw->i_advise;
F2FS_I(inode)->i_flags = le32_to_cpu(raw->i_flags);
+ f2fs_set_inode_flags(inode);
+ F2FS_I(inode)->i_gc_failures[GC_FAILURE_PIN] =
+ le16_to_cpu(raw->i_gc_failures);
recover_inline_flags(inode, raw);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 6851afc3bf80..d9106bbe7df6 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1886,6 +1886,12 @@ void f2fs_quota_off_umount(struct super_block *sb)
set_sbi_flag(F2FS_SB(sb), SBI_NEED_FSCK);
}
}
+ /*
+ * In case of checkpoint=disable, we must flush quota blocks.
+ * This can cause NULL exception for node_inode in end_io, since
+ * put_super already dropped it.
+ */
+ sync_filesystem(sb);
}
static void f2fs_truncate_quota_inode_pages(struct super_block *sb)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 82a13221775e..e7a2a988533d 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1665,6 +1665,19 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr,
if (attr->ia_valid & ATTR_SIZE)
is_truncate = true;
+ /* Flush dirty data/metadata before non-truncate SETATTR */
+ if (is_wb && S_ISREG(inode->i_mode) &&
+ attr->ia_valid &
+ (ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_MTIME_SET |
+ ATTR_TIMES_SET)) {
+ err = write_inode_now(inode, true);
+ if (err)
+ return err;
+
+ fuse_set_nowrite(inode);
+ fuse_release_nowrite(inode);
+ }
+
if (is_truncate) {
fuse_set_nowrite(inode);
set_bit(FUSE_I_SIZE_UNSTABLE, &fi->state);
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 96d46b3ad235..3964325432ae 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -202,7 +202,7 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
{
struct fuse_conn *fc = get_fuse_conn(inode);
int err;
- bool lock_inode = (file->f_flags & O_TRUNC) &&
+ bool is_wb_truncate = (file->f_flags & O_TRUNC) &&
fc->atomic_o_trunc &&
fc->writeback_cache;
@@ -210,16 +210,20 @@ int fuse_open_common(struct inode *inode, struct file *file, bool isdir)
if (err)
return err;
- if (lock_inode)
+ if (is_wb_truncate) {
inode_lock(inode);
+ fuse_set_nowrite(inode);
+ }
err = fuse_do_open(fc, get_node_id(inode), file, isdir);
if (!err)
fuse_finish_open(inode, file);
- if (lock_inode)
+ if (is_wb_truncate) {
+ fuse_release_nowrite(inode);
inode_unlock(inode);
+ }
return err;
}
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 1624618c2bc7..825a8c52165a 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -1154,7 +1154,7 @@ bool nfs4_refresh_delegation_stateid(nfs4_stateid *dst, struct inode *inode)
if (delegation != NULL &&
nfs4_stateid_match_other(dst, &delegation->stateid)) {
dst->seqid = delegation->stateid.seqid;
- return ret;
+ ret = true;
}
rcu_read_unlock();
out:
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 621e3cf90f4e..75faef7af22d 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5943,6 +5943,7 @@ int nfs4_proc_setclientid(struct nfs_client *clp, u32 program,
}
status = task->tk_status;
if (setclientid.sc_cred) {
+ kfree(clp->cl_acceptor);
clp->cl_acceptor = rpcauth_stringify_acceptor(setclientid.sc_cred);
put_rpccred(setclientid.sc_cred);
}
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index c36ef75f2054..b3086e99420c 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -2613,7 +2613,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
return;
if (test_and_set_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) != 0)
return;
- } while (refcount_read(&clp->cl_count) > 1);
+ } while (refcount_read(&clp->cl_count) > 1 && !signalled());
goto out_drain;
out_error:
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 5ab997912d8d..117ffd90419e 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -783,7 +783,6 @@ static void nfs_inode_remove_request(struct nfs_page *req)
struct nfs_inode *nfsi = NFS_I(inode);
struct nfs_page *head;
- atomic_long_dec(&nfsi->nrequests);
if (nfs_page_group_sync_on_bit(req, PG_REMOVE)) {
head = req->wb_head;
@@ -796,8 +795,10 @@ static void nfs_inode_remove_request(struct nfs_page *req)
spin_unlock(&mapping->private_lock);
}
- if (test_and_clear_bit(PG_INODE_REF, &req->wb_flags))
+ if (test_and_clear_bit(PG_INODE_REF, &req->wb_flags)) {
nfs_release_request(req);
+ atomic_long_dec(&nfsi->nrequests);
+ }
}
static void
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 7578bd507c70..543efa3e5655 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -2056,7 +2056,8 @@ int ocfs2_write_end_nolock(struct address_space *mapping,
inode->i_mtime = inode->i_ctime = current_time(inode);
di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec);
di->i_mtime_nsec = di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec);
- ocfs2_update_inode_fsync_trans(handle, inode, 1);
+ if (handle)
+ ocfs2_update_inode_fsync_trans(handle, inode, 1);
}
if (handle)
ocfs2_journal_dirty(handle, wc->w_di_bh);
@@ -2153,13 +2154,30 @@ static int ocfs2_dio_wr_get_block(struct inode *inode, sector_t iblock,
struct ocfs2_dio_write_ctxt *dwc = NULL;
struct buffer_head *di_bh = NULL;
u64 p_blkno;
- loff_t pos = iblock << inode->i_sb->s_blocksize_bits;
+ unsigned int i_blkbits = inode->i_sb->s_blocksize_bits;
+ loff_t pos = iblock << i_blkbits;
+ sector_t endblk = (i_size_read(inode) - 1) >> i_blkbits;
unsigned len, total_len = bh_result->b_size;
int ret = 0, first_get_block = 0;
len = osb->s_clustersize - (pos & (osb->s_clustersize - 1));
len = min(total_len, len);
+ /*
+ * bh_result->b_size is count in get_more_blocks according to write
+ * "pos" and "end", we need map twice to return different buffer state:
+ * 1. area in file size, not set NEW;
+ * 2. area out file size, set NEW.
+ *
+ * iblock endblk
+ * |--------|---------|---------|---------
+ * |<-------area in file------->|
+ */
+
+ if ((iblock <= endblk) &&
+ ((iblock + ((len - 1) >> i_blkbits)) > endblk))
+ len = (endblk - iblock + 1) << i_blkbits;
+
mlog(0, "get block of %lu at %llu:%u req %u\n",
inode->i_ino, pos, len, total_len);
@@ -2243,6 +2261,9 @@ static int ocfs2_dio_wr_get_block(struct inode *inode, sector_t iblock,
if (desc->c_needs_zero)
set_buffer_new(bh_result);
+ if (iblock > endblk)
+ set_buffer_new(bh_result);
+
/* May sleep in end_io. It should not happen in a irq context. So defer
* it to dio work queue. */
set_buffer_defer_completion(bh_result);
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index 994726ada857..a6c328211dcc 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -290,7 +290,7 @@ static int ocfs2_info_scan_inode_alloc(struct ocfs2_super *osb,
if (inode_alloc)
inode_lock(inode_alloc);
- if (o2info_coherent(&fi->ifi_req)) {
+ if (inode_alloc && o2info_coherent(&fi->ifi_req)) {
status = ocfs2_inode_lock(inode_alloc, &bh, 0);
if (status < 0) {
mlog_errno(status);
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index c146e12a8601..0d80e0df6c24 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -1498,18 +1498,6 @@ static int ocfs2_xa_check_space(struct ocfs2_xa_loc *loc,
return loc->xl_ops->xlo_check_space(loc, xi);
}
-static void ocfs2_xa_add_entry(struct ocfs2_xa_loc *loc, u32 name_hash)
-{
- loc->xl_ops->xlo_add_entry(loc, name_hash);
- loc->xl_entry->xe_name_hash = cpu_to_le32(name_hash);
- /*
- * We can't leave the new entry's xe_name_offset at zero or
- * add_namevalue() will go nuts. We set it to the size of our
- * storage so that it can never be less than any other entry.
- */
- loc->xl_entry->xe_name_offset = cpu_to_le16(loc->xl_size);
-}
-
static void ocfs2_xa_add_namevalue(struct ocfs2_xa_loc *loc,
struct ocfs2_xattr_info *xi)
{
@@ -2141,29 +2129,31 @@ static int ocfs2_xa_prepare_entry(struct ocfs2_xa_loc *loc,
if (rc)
goto out;
- if (loc->xl_entry) {
- if (ocfs2_xa_can_reuse_entry(loc, xi)) {
- orig_value_size = loc->xl_entry->xe_value_size;
- rc = ocfs2_xa_reuse_entry(loc, xi, ctxt);
- if (rc)
- goto out;
- goto alloc_value;
- }
+ if (!loc->xl_entry) {
+ rc = -EINVAL;
+ goto out;
+ }
- if (!ocfs2_xattr_is_local(loc->xl_entry)) {
- orig_clusters = ocfs2_xa_value_clusters(loc);
- rc = ocfs2_xa_value_truncate(loc, 0, ctxt);
- if (rc) {
- mlog_errno(rc);
- ocfs2_xa_cleanup_value_truncate(loc,
- "overwriting",
- orig_clusters);
- goto out;
- }
+ if (ocfs2_xa_can_reuse_entry(loc, xi)) {
+ orig_value_size = loc->xl_entry->xe_value_size;
+ rc = ocfs2_xa_reuse_entry(loc, xi, ctxt);
+ if (rc)
+ goto out;
+ goto alloc_value;
+ }
+
+ if (!ocfs2_xattr_is_local(loc->xl_entry)) {
+ orig_clusters = ocfs2_xa_value_clusters(loc);
+ rc = ocfs2_xa_value_truncate(loc, 0, ctxt);
+ if (rc) {
+ mlog_errno(rc);
+ ocfs2_xa_cleanup_value_truncate(loc,
+ "overwriting",
+ orig_clusters);
+ goto out;
}
- ocfs2_xa_wipe_namevalue(loc);
- } else
- ocfs2_xa_add_entry(loc, name_hash);
+ }
+ ocfs2_xa_wipe_namevalue(loc);
/*
* If we get here, we have a blank entry. Fill it. We grow our
diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h
index df528a623548..ea985aa7a6c5 100644
--- a/include/net/llc_conn.h
+++ b/include/net/llc_conn.h
@@ -104,7 +104,7 @@ void llc_sk_reset(struct sock *sk);
/* Access to a connection */
int llc_conn_state_process(struct sock *sk, struct sk_buff *skb);
-int llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
+void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb);
void llc_conn_rtn_pdu(struct sock *sk, struct sk_buff *skb);
void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit);
void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit);
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index c44da48de7df..c9cd5086bd54 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -421,6 +421,11 @@ static inline struct Qdisc *qdisc_root(const struct Qdisc *qdisc)
return q;
}
+static inline struct Qdisc *qdisc_root_bh(const struct Qdisc *qdisc)
+{
+ return rcu_dereference_bh(qdisc->dev_queue->qdisc);
+}
+
static inline struct Qdisc *qdisc_root_sleeping(const struct Qdisc *qdisc)
{
return qdisc->dev_queue->qdisc_sleeping;
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 0fe169c6afd8..a08916eb7615 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -527,10 +527,10 @@ TRACE_EVENT(rxrpc_local,
);
TRACE_EVENT(rxrpc_peer,
- TP_PROTO(struct rxrpc_peer *peer, enum rxrpc_peer_trace op,
+ TP_PROTO(unsigned int peer_debug_id, enum rxrpc_peer_trace op,
int usage, const void *where),
- TP_ARGS(peer, op, usage, where),
+ TP_ARGS(peer_debug_id, op, usage, where),
TP_STRUCT__entry(
__field(unsigned int, peer )
@@ -540,7 +540,7 @@ TRACE_EVENT(rxrpc_peer,
),
TP_fast_assign(
- __entry->peer = peer->debug_id;
+ __entry->peer = peer_debug_id;
__entry->op = op;
__entry->usage = usage;
__entry->where = where;
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index 0796f938c4f0..54eb9457b21d 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -739,7 +739,7 @@ void vtime_account_system(struct task_struct *tsk)
write_seqcount_begin(&vtime->seqcount);
/* We might have scheduled out from guest path */
- if (current->flags & PF_VCPU)
+ if (tsk->flags & PF_VCPU)
vtime_account_guest(tsk, vtime);
else
__vtime_account_system(tsk, vtime);
@@ -782,7 +782,7 @@ void vtime_guest_enter(struct task_struct *tsk)
*/
write_seqcount_begin(&vtime->seqcount);
__vtime_account_system(tsk, vtime);
- current->flags |= PF_VCPU;
+ tsk->flags |= PF_VCPU;
write_seqcount_end(&vtime->seqcount);
}
EXPORT_SYMBOL_GPL(vtime_guest_enter);
@@ -793,7 +793,7 @@ void vtime_guest_exit(struct task_struct *tsk)
write_seqcount_begin(&vtime->seqcount);
vtime_account_guest(tsk, vtime);
- current->flags &= ~PF_VCPU;
+ tsk->flags &= ~PF_VCPU;
write_seqcount_end(&vtime->seqcount);
}
EXPORT_SYMBOL_GPL(vtime_guest_exit);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 27b17ea44f74..bdd7f3d78724 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5766,6 +5766,7 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
sizeof(struct trace_iterator) -
offsetof(struct trace_iterator, seq));
cpumask_clear(iter->started);
+ trace_seq_init(&iter->seq);
iter->pos = -1;
trace_event_read_lock();
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 36f244125d24..f5941837c3ad 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -35,6 +35,7 @@
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/lockdep.h>
+#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/pkt_sched.h>
@@ -379,14 +380,18 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface)
unsigned char *ogm_buff;
u32 random_seqno;
+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
+
/* randomize initial seqno to avoid collision */
get_random_bytes(&random_seqno, sizeof(random_seqno));
atomic_set(&hard_iface->bat_iv.ogm_seqno, random_seqno);
hard_iface->bat_iv.ogm_buff_len = BATADV_OGM_HLEN;
ogm_buff = kmalloc(hard_iface->bat_iv.ogm_buff_len, GFP_ATOMIC);
- if (!ogm_buff)
+ if (!ogm_buff) {
+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
return -ENOMEM;
+ }
hard_iface->bat_iv.ogm_buff = ogm_buff;
@@ -398,35 +403,59 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface)
batadv_ogm_packet->reserved = 0;
batadv_ogm_packet->tq = BATADV_TQ_MAX_VALUE;
+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
+
return 0;
}
static void batadv_iv_ogm_iface_disable(struct batadv_hard_iface *hard_iface)
{
+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
+
kfree(hard_iface->bat_iv.ogm_buff);
hard_iface->bat_iv.ogm_buff = NULL;
+
+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
}
static void batadv_iv_ogm_iface_update_mac(struct batadv_hard_iface *hard_iface)
{
struct batadv_ogm_packet *batadv_ogm_packet;
- unsigned char *ogm_buff = hard_iface->bat_iv.ogm_buff;
+ void *ogm_buff;
- batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff;
+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
+
+ ogm_buff = hard_iface->bat_iv.ogm_buff;
+ if (!ogm_buff)
+ goto unlock;
+
+ batadv_ogm_packet = ogm_buff;
ether_addr_copy(batadv_ogm_packet->orig,
hard_iface->net_dev->dev_addr);
ether_addr_copy(batadv_ogm_packet->prev_sender,
hard_iface->net_dev->dev_addr);
+
+unlock:
+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
}
static void
batadv_iv_ogm_primary_iface_set(struct batadv_hard_iface *hard_iface)
{
struct batadv_ogm_packet *batadv_ogm_packet;
- unsigned char *ogm_buff = hard_iface->bat_iv.ogm_buff;
+ void *ogm_buff;
- batadv_ogm_packet = (struct batadv_ogm_packet *)ogm_buff;
+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
+
+ ogm_buff = hard_iface->bat_iv.ogm_buff;
+ if (!ogm_buff)
+ goto unlock;
+
+ batadv_ogm_packet = ogm_buff;
batadv_ogm_packet->ttl = BATADV_TTL;
+
+unlock:
+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
}
/* when do we schedule our own ogm to be sent */
@@ -924,7 +953,11 @@ batadv_iv_ogm_slide_own_bcast_window(struct batadv_hard_iface *hard_iface)
}
}
-static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
+/**
+ * batadv_iv_ogm_schedule_buff() - schedule submission of hardif ogm buffer
+ * @hard_iface: interface whose ogm buffer should be transmitted
+ */
+static void batadv_iv_ogm_schedule_buff(struct batadv_hard_iface *hard_iface)
{
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
unsigned char **ogm_buff = &hard_iface->bat_iv.ogm_buff;
@@ -935,9 +968,7 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
u16 tvlv_len = 0;
unsigned long send_time;
- if (hard_iface->if_status == BATADV_IF_NOT_IN_USE ||
- hard_iface->if_status == BATADV_IF_TO_BE_REMOVED)
- return;
+ lockdep_assert_held(&hard_iface->bat_iv.ogm_buff_mutex);
/* the interface gets activated here to avoid race conditions between
* the moment of activating the interface in
@@ -1005,6 +1036,17 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
batadv_hardif_put(primary_if);
}
+static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
+{
+ if (hard_iface->if_status == BATADV_IF_NOT_IN_USE ||
+ hard_iface->if_status == BATADV_IF_TO_BE_REMOVED)
+ return;
+
+ mutex_lock(&hard_iface->bat_iv.ogm_buff_mutex);
+ batadv_iv_ogm_schedule_buff(hard_iface);
+ mutex_unlock(&hard_iface->bat_iv.ogm_buff_mutex);
+}
+
/**
* batadv_iv_ogm_orig_update() - use OGM to update corresponding data in an
* originator
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index 36f0962040d1..c4e0435c952d 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -29,6 +29,7 @@
#include <linux/kernel.h>
#include <linux/kref.h>
#include <linux/list.h>
+#include <linux/mutex.h>
#include <linux/netdevice.h>
#include <linux/printk.h>
#include <linux/rculist.h>
@@ -933,6 +934,7 @@ batadv_hardif_add_interface(struct net_device *net_dev)
INIT_LIST_HEAD(&hard_iface->list);
INIT_HLIST_HEAD(&hard_iface->neigh_list);
+ mutex_init(&hard_iface->bat_iv.ogm_buff_mutex);
spin_lock_init(&hard_iface->neigh_list_lock);
kref_init(&hard_iface->refcount);
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index fdba8a144d73..87e54f8a3f83 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -91,6 +91,9 @@ struct batadv_hard_iface_bat_iv {
/** @ogm_seqno: OGM sequence number - used to identify each OGM */
atomic_t ogm_seqno;
+
+ /** @ogm_buff_mutex: lock protecting ogm_buff and ogm_buff_len */
+ struct mutex ogm_buff_mutex;
};
/**
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index 4d78375f9872..647c0554d04c 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -372,6 +372,7 @@ int llc_conn_ac_send_i_cmd_p_set_1(struct sock *sk, struct sk_buff *skb)
llc_pdu_init_as_i_cmd(skb, 1, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
if (likely(!rc)) {
+ skb_get(skb);
llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
@@ -389,7 +390,8 @@ static int llc_conn_ac_send_i_cmd_p_set_0(struct sock *sk, struct sk_buff *skb)
llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
if (likely(!rc)) {
- rc = llc_conn_send_pdu(sk, skb);
+ skb_get(skb);
+ llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
return rc;
@@ -406,6 +408,7 @@ int llc_conn_ac_send_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb)
llc_pdu_init_as_i_cmd(skb, 0, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
if (likely(!rc)) {
+ skb_get(skb);
llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
@@ -916,7 +919,8 @@ static int llc_conn_ac_send_i_rsp_f_set_ackpf(struct sock *sk,
llc_pdu_init_as_i_cmd(skb, llc->ack_pf, llc->vS, llc->vR);
rc = llc_mac_hdr_init(skb, llc->dev->dev_addr, llc->daddr.mac);
if (likely(!rc)) {
- rc = llc_conn_send_pdu(sk, skb);
+ skb_get(skb);
+ llc_conn_send_pdu(sk, skb);
llc_conn_ac_inc_vs_by_1(sk, skb);
}
return rc;
diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index 4ff89cb7c86f..ed2aca12460c 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -30,7 +30,7 @@
#endif
static int llc_find_offset(int state, int ev_type);
-static int llc_conn_send_pdus(struct sock *sk, struct sk_buff *skb);
+static void llc_conn_send_pdus(struct sock *sk);
static int llc_conn_service(struct sock *sk, struct sk_buff *skb);
static int llc_exec_conn_trans_actions(struct sock *sk,
struct llc_conn_state_trans *trans,
@@ -193,11 +193,11 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)
return rc;
}
-int llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb)
+void llc_conn_send_pdu(struct sock *sk, struct sk_buff *skb)
{
/* queue PDU to send to MAC layer */
skb_queue_tail(&sk->sk_write_queue, skb);
- return llc_conn_send_pdus(sk, skb);
+ llc_conn_send_pdus(sk);
}
/**
@@ -255,7 +255,7 @@ void llc_conn_resend_i_pdu_as_cmd(struct sock *sk, u8 nr, u8 first_p_bit)
if (howmany_resend > 0)
llc->vS = (llc->vS + 1) % LLC_2_SEQ_NBR_MODULO;
/* any PDUs to re-send are queued up; start sending to MAC */
- llc_conn_send_pdus(sk, NULL);
+ llc_conn_send_pdus(sk);
out:;
}
@@ -296,7 +296,7 @@ void llc_conn_resend_i_pdu_as_rsp(struct sock *sk, u8 nr, u8 first_f_bit)
if (howmany_resend > 0)
llc->vS = (llc->vS + 1) % LLC_2_SEQ_NBR_MODULO;
/* any PDUs to re-send are queued up; start sending to MAC */
- llc_conn_send_pdus(sk, NULL);
+ llc_conn_send_pdus(sk);
out:;
}
@@ -340,16 +340,12 @@ int llc_conn_remove_acked_pdus(struct sock *sk, u8 nr, u16 *how_many_unacked)
/**
* llc_conn_send_pdus - Sends queued PDUs
* @sk: active connection
- * @hold_skb: the skb held by caller, or NULL if does not care
*
- * Sends queued pdus to MAC layer for transmission. When @hold_skb is
- * NULL, always return 0. Otherwise, return 0 if @hold_skb is sent
- * successfully, or 1 for failure.
+ * Sends queued pdus to MAC layer for transmission.
*/
-static int llc_conn_send_pdus(struct sock *sk, struct sk_buff *hold_skb)
+static void llc_conn_send_pdus(struct sock *sk)
{
struct sk_buff *skb;
- int ret = 0;
while ((skb = skb_dequeue(&sk->sk_write_queue)) != NULL) {
struct llc_pdu_sn *pdu = llc_pdu_sn_hdr(skb);
@@ -361,20 +357,10 @@ static int llc_conn_send_pdus(struct sock *sk, struct sk_buff *hold_skb)
skb_queue_tail(&llc_sk(sk)->pdu_unack_q, skb);
if (!skb2)
break;
- dev_queue_xmit(skb2);
- } else {
- bool is_target = skb == hold_skb;
- int rc;
-
- if (is_target)
- skb_get(skb);
- rc = dev_queue_xmit(skb);
- if (is_target)
- ret = rc;
+ skb = skb2;
}
+ dev_queue_xmit(skb);
}
-
- return ret;
}
/**
diff --git a/net/llc/llc_s_ac.c b/net/llc/llc_s_ac.c
index a94bd56bcac6..7ae4cc684d3a 100644
--- a/net/llc/llc_s_ac.c
+++ b/net/llc/llc_s_ac.c
@@ -58,8 +58,10 @@ int llc_sap_action_send_ui(struct llc_sap *sap, struct sk_buff *skb)
ev->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_ui_cmd(skb);
rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
- if (likely(!rc))
+ if (likely(!rc)) {
+ skb_get(skb);
rc = dev_queue_xmit(skb);
+ }
return rc;
}
@@ -81,8 +83,10 @@ int llc_sap_action_send_xid_c(struct llc_sap *sap, struct sk_buff *skb)
ev->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_xid_cmd(skb, LLC_XID_NULL_CLASS_2, 0);
rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
- if (likely(!rc))
+ if (likely(!rc)) {
+ skb_get(skb);
rc = dev_queue_xmit(skb);
+ }
return rc;
}
@@ -135,8 +139,10 @@ int llc_sap_action_send_test_c(struct llc_sap *sap, struct sk_buff *skb)
ev->daddr.lsap, LLC_PDU_CMD);
llc_pdu_init_as_test_cmd(skb);
rc = llc_mac_hdr_init(skb, ev->saddr.mac, ev->daddr.mac);
- if (likely(!rc))
+ if (likely(!rc)) {
+ skb_get(skb);
rc = dev_queue_xmit(skb);
+ }
return rc;
}
diff --git a/net/llc/llc_sap.c b/net/llc/llc_sap.c
index a7f7b8ff4729..be419062e19a 100644
--- a/net/llc/llc_sap.c
+++ b/net/llc/llc_sap.c
@@ -197,29 +197,22 @@ static int llc_sap_next_state(struct llc_sap *sap, struct sk_buff *skb)
* After executing actions of the event, upper layer will be indicated
* if needed(on receiving an UI frame). sk can be null for the
* datalink_proto case.
+ *
+ * This function always consumes a reference to the skb.
*/
static void llc_sap_state_process(struct llc_sap *sap, struct sk_buff *skb)
{
struct llc_sap_state_ev *ev = llc_sap_ev(skb);
- /*
- * We have to hold the skb, because llc_sap_next_state
- * will kfree it in the sending path and we need to
- * look at the skb->cb, where we encode llc_sap_state_ev.
- */
- skb_get(skb);
ev->ind_cfm_flag = 0;
llc_sap_next_state(sap, skb);
- if (ev->ind_cfm_flag == LLC_IND) {
- if (skb->sk->sk_state == TCP_LISTEN)
- kfree_skb(skb);
- else {
- llc_save_primitive(skb->sk, skb, ev->prim);
- /* queue skb to the user. */
- if (sock_queue_rcv_skb(skb->sk, skb))
- kfree_skb(skb);
- }
+ if (ev->ind_cfm_flag == LLC_IND && skb->sk->sk_state != TCP_LISTEN) {
+ llc_save_primitive(skb->sk, skb, ev->prim);
+
+ /* queue skb to the user. */
+ if (sock_queue_rcv_skb(skb->sk, skb) == 0)
+ return;
}
kfree_skb(skb);
}
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index 4f01321e793c..794e0335a864 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -235,6 +235,9 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
else
ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
+ if (is_zero_ether_addr(e.ether))
+ return -EINVAL;
+
return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
}
diff --git a/net/netfilter/ipset/ip_set_hash_ipmac.c b/net/netfilter/ipset/ip_set_hash_ipmac.c
index 16ec822e4044..25560ea742d6 100644
--- a/net/netfilter/ipset/ip_set_hash_ipmac.c
+++ b/net/netfilter/ipset/ip_set_hash_ipmac.c
@@ -36,9 +36,6 @@ MODULE_ALIAS("ip_set_hash:ip,mac");
/* Type specific function prefix */
#define HTYPE hash_ipmac
-/* Zero valued element is not supported */
-static const unsigned char invalid_ether[ETH_ALEN] = { 0 };
-
/* IPv4 variant */
/* Member elements */
@@ -104,7 +101,7 @@ hash_ipmac4_kadt(struct ip_set *set, const struct sk_buff *skb,
else
ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
- if (ether_addr_equal(e.ether, invalid_ether))
+ if (is_zero_ether_addr(e.ether))
return -EINVAL;
ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip);
@@ -140,7 +137,7 @@ hash_ipmac4_uadt(struct ip_set *set, struct nlattr *tb[],
if (ret)
return ret;
memcpy(e.ether, nla_data(tb[IPSET_ATTR_ETHER]), ETH_ALEN);
- if (ether_addr_equal(e.ether, invalid_ether))
+ if (is_zero_ether_addr(e.ether))
return -IPSET_ERR_HASH_ELEM;
return adtfn(set, &e, &ext, &ext, flags);
@@ -220,7 +217,7 @@ hash_ipmac6_kadt(struct ip_set *set, const struct sk_buff *skb,
else
ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
- if (ether_addr_equal(e.ether, invalid_ether))
+ if (is_zero_ether_addr(e.ether))
return -EINVAL;
ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip.in6);
@@ -260,7 +257,7 @@ hash_ipmac6_uadt(struct ip_set *set, struct nlattr *tb[],
return ret;
memcpy(e.ether, nla_data(tb[IPSET_ATTR_ETHER]), ETH_ALEN);
- if (ether_addr_equal(e.ether, invalid_ether))
+ if (is_zero_ether_addr(e.ether))
return -IPSET_ERR_HASH_ELEM;
return adtfn(set, &e, &ext, &ext, flags);
diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
index 71547e8673b9..b91b090217cd 100644
--- a/net/rxrpc/peer_object.c
+++ b/net/rxrpc/peer_object.c
@@ -220,7 +220,7 @@ struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp)
peer = kzalloc(sizeof(struct rxrpc_peer), gfp);
if (peer) {
atomic_set(&peer->usage, 1);
- peer->local = local;
+ peer->local = rxrpc_get_local(local);
INIT_HLIST_HEAD(&peer->error_targets);
peer->service_conns = RB_ROOT;
seqlock_init(&peer->service_conn_lock);
@@ -311,7 +311,6 @@ void rxrpc_new_incoming_peer(struct rxrpc_sock *rx, struct rxrpc_local *local,
unsigned long hash_key;
hash_key = rxrpc_peer_hash_key(local, &peer->srx);
- peer->local = local;
rxrpc_init_peer(rx, peer, hash_key);
spin_lock(&rxnet->peer_hash_lock);
@@ -386,7 +385,7 @@ struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *peer)
int n;
n = atomic_inc_return(&peer->usage);
- trace_rxrpc_peer(peer, rxrpc_peer_got, n, here);
+ trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, n, here);
return peer;
}
@@ -400,7 +399,7 @@ struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *peer)
if (peer) {
int n = atomic_fetch_add_unless(&peer->usage, 1, 0);
if (n > 0)
- trace_rxrpc_peer(peer, rxrpc_peer_got, n + 1, here);
+ trace_rxrpc_peer(peer->debug_id, rxrpc_peer_got, n + 1, here);
else
peer = NULL;
}
@@ -421,6 +420,7 @@ static void __rxrpc_put_peer(struct rxrpc_peer *peer)
list_del_init(&peer->keepalive_link);
spin_unlock_bh(&rxnet->peer_hash_lock);
+ rxrpc_put_local(peer->local);
kfree_rcu(peer, rcu);
}
@@ -430,11 +430,13 @@ static void __rxrpc_put_peer(struct rxrpc_peer *peer)
void rxrpc_put_peer(struct rxrpc_peer *peer)
{
const void *here = __builtin_return_address(0);
+ unsigned int debug_id;
int n;
if (peer) {
+ debug_id = peer->debug_id;
n = atomic_dec_return(&peer->usage);
- trace_rxrpc_peer(peer, rxrpc_peer_put, n, here);
+ trace_rxrpc_peer(debug_id, rxrpc_peer_put, n, here);
if (n == 0)
__rxrpc_put_peer(peer);
}
@@ -447,13 +449,15 @@ void rxrpc_put_peer(struct rxrpc_peer *peer)
void rxrpc_put_peer_locked(struct rxrpc_peer *peer)
{
const void *here = __builtin_return_address(0);
+ unsigned int debug_id = peer->debug_id;
int n;
n = atomic_dec_return(&peer->usage);
- trace_rxrpc_peer(peer, rxrpc_peer_put, n, here);
+ trace_rxrpc_peer(debug_id, rxrpc_peer_put, n, here);
if (n == 0) {
hash_del_rcu(&peer->hash_link);
list_del_init(&peer->keepalive_link);
+ rxrpc_put_local(peer->local);
kfree_rcu(peer, rcu);
}
}
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 5d6ab4f6fd7a..3e54ead1e921 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -661,6 +661,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
case RXRPC_CALL_SERVER_PREALLOC:
case RXRPC_CALL_SERVER_SECURING:
case RXRPC_CALL_SERVER_ACCEPTING:
+ rxrpc_put_call(call, rxrpc_call_put);
ret = -EBUSY;
goto error_release_sock;
default:
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 86350fe5cfc8..15f8f24c190d 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -474,7 +474,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
* skb will be queued.
*/
if (count > 1 && (skb2 = skb_clone(skb, GFP_ATOMIC)) != NULL) {
- struct Qdisc *rootq = qdisc_root(sch);
+ struct Qdisc *rootq = qdisc_root_bh(sch);
u32 dupsave = q->duplicate; /* prevent duplicating a dup... */
q->duplicate = 0;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a28d6456e93e..2ef1f56504cb 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -284,7 +284,8 @@ static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = {
[NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ },
[NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_MESH_ID_LEN },
- [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
+ [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_BINARY,
+ .len = ETH_ALEN },
[NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 },
[NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED },
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index 5061a2ec4564..176c04a454dc 100644
--- a/samples/bpf/bpf_load.c
+++ b/samples/bpf/bpf_load.c
@@ -59,7 +59,9 @@ static int write_kprobe_events(const char *val)
{
int fd, ret, flags;
- if ((val != NULL) && (val[0] == '\0'))
+ if (val == NULL)
+ return -1;
+ else if (val[0] == '\0')
flags = O_WRONLY | O_TRUNC;
else
flags = O_WRONLY | O_APPEND;
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 71f39410691b..365b3c2b8f43 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -73,8 +73,16 @@ scm_version()
printf -- '-svn%s' "`git svn find-rev $head`"
fi
- # Check for uncommitted changes
- if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
+ # Check for uncommitted changes.
+ # First, with git-status, but --no-optional-locks is only
+ # supported in git >= 2.14, so fall back to git-diff-index if
+ # it fails. Note that git-diff-index does not refresh the
+ # index, so it may give misleading results. See
+ # git-update-index(1), git-diff-index(1), and git-status(1).
+ if {
+ git --no-optional-locks status -uno --porcelain 2>/dev/null ||
+ git diff-index --name-only HEAD
+ } | grep -qvE '^(.. )?scripts/package'; then
printf '%s' -dirty
fi
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 61a0cec6e1f6..ec74705f003b 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -240,7 +240,8 @@ static int snd_timer_check_master(struct snd_timer_instance *master)
return 0;
}
-static int snd_timer_close_locked(struct snd_timer_instance *timeri);
+static int snd_timer_close_locked(struct snd_timer_instance *timeri,
+ struct device **card_devp_to_put);
/*
* open a timer instance
@@ -252,21 +253,23 @@ int snd_timer_open(struct snd_timer_instance **ti,
{
struct snd_timer *timer;
struct snd_timer_instance *timeri = NULL;
+ struct device *card_dev_to_put = NULL;
int err;
+ mutex_lock(®ister_mutex);
if (tid->dev_class == SNDRV_TIMER_CLASS_SLAVE) {
/* open a slave instance */
if (tid->dev_sclass <= SNDRV_TIMER_SCLASS_NONE ||
tid->dev_sclass > SNDRV_TIMER_SCLASS_OSS_SEQUENCER) {
pr_debug("ALSA: timer: invalid slave class %i\n",
tid->dev_sclass);
- return -EINVAL;
+ err = -EINVAL;
+ goto unlock;
}
- mutex_lock(®ister_mutex);
timeri = snd_timer_instance_new(owner, NULL);
if (!timeri) {
- mutex_unlock(®ister_mutex);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto unlock;
}
timeri->slave_class = tid->dev_sclass;
timeri->slave_id = tid->device;
@@ -274,16 +277,13 @@ int snd_timer_open(struct snd_timer_instance **ti,
list_add_tail(&timeri->open_list, &snd_timer_slave_list);
err = snd_timer_check_slave(timeri);
if (err < 0) {
- snd_timer_close_locked(timeri);
+ snd_timer_close_locked(timeri, &card_dev_to_put);
timeri = NULL;
}
- mutex_unlock(®ister_mutex);
- *ti = timeri;
- return err;
+ goto unlock;
}
/* open a master instance */
- mutex_lock(®ister_mutex);
timer = snd_timer_find(tid);
#ifdef CONFIG_MODULES
if (!timer) {
@@ -294,25 +294,26 @@ int snd_timer_open(struct snd_timer_instance **ti,
}
#endif
if (!timer) {
- mutex_unlock(®ister_mutex);
- return -ENODEV;
+ err = -ENODEV;
+ goto unlock;
}
if (!list_empty(&timer->open_list_head)) {
timeri = list_entry(timer->open_list_head.next,
struct snd_timer_instance, open_list);
if (timeri->flags & SNDRV_TIMER_IFLG_EXCLUSIVE) {
- mutex_unlock(®ister_mutex);
- return -EBUSY;
+ err = -EBUSY;
+ timeri = NULL;
+ goto unlock;
}
}
if (timer->num_instances >= timer->max_instances) {
- mutex_unlock(®ister_mutex);
- return -EBUSY;
+ err = -EBUSY;
+ goto unlock;
}
timeri = snd_timer_instance_new(owner, timer);
if (!timeri) {
- mutex_unlock(®ister_mutex);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto unlock;
}
/* take a card refcount for safe disconnection */
if (timer->card)
@@ -321,16 +322,16 @@ int snd_timer_open(struct snd_timer_instance **ti,
timeri->slave_id = slave_id;
if (list_empty(&timer->open_list_head) && timer->hw.open) {
- int err = timer->hw.open(timer);
+ err = timer->hw.open(timer);
if (err) {
kfree(timeri->owner);
kfree(timeri);
+ timeri = NULL;
if (timer->card)
- put_device(&timer->card->card_dev);
+ card_dev_to_put = &timer->card->card_dev;
module_put(timer->module);
- mutex_unlock(®ister_mutex);
- return err;
+ goto unlock;
}
}
@@ -338,10 +339,15 @@ int snd_timer_open(struct snd_timer_instance **ti,
timer->num_instances++;
err = snd_timer_check_master(timeri);
if (err < 0) {
- snd_timer_close_locked(timeri);
+ snd_timer_close_locked(timeri, &card_dev_to_put);
timeri = NULL;
}
+
+ unlock:
mutex_unlock(®ister_mutex);
+ /* put_device() is called after unlock for avoiding deadlock */
+ if (card_dev_to_put)
+ put_device(card_dev_to_put);
*ti = timeri;
return err;
}
@@ -351,7 +357,8 @@ EXPORT_SYMBOL(snd_timer_open);
* close a timer instance
* call this with register_mutex down.
*/
-static int snd_timer_close_locked(struct snd_timer_instance *timeri)
+static int snd_timer_close_locked(struct snd_timer_instance *timeri,
+ struct device **card_devp_to_put)
{
struct snd_timer *timer = NULL;
struct snd_timer_instance *slave, *tmp;
@@ -403,7 +410,7 @@ static int snd_timer_close_locked(struct snd_timer_instance *timeri)
timer->hw.close(timer);
/* release a card refcount for safe disconnection */
if (timer->card)
- put_device(&timer->card->card_dev);
+ *card_devp_to_put = &timer->card->card_dev;
module_put(timer->module);
}
@@ -415,14 +422,18 @@ static int snd_timer_close_locked(struct snd_timer_instance *timeri)
*/
int snd_timer_close(struct snd_timer_instance *timeri)
{
+ struct device *card_dev_to_put = NULL;
int err;
if (snd_BUG_ON(!timeri))
return -ENXIO;
mutex_lock(®ister_mutex);
- err = snd_timer_close_locked(timeri);
+ err = snd_timer_close_locked(timeri, &card_dev_to_put);
mutex_unlock(®ister_mutex);
+ /* put_device() is called after unlock for avoiding deadlock */
+ if (card_dev_to_put)
+ put_device(card_dev_to_put);
return err;
}
EXPORT_SYMBOL(snd_timer_close);
diff --git a/sound/firewire/bebob/bebob_stream.c b/sound/firewire/bebob/bebob_stream.c
index 4d3034a68bdf..be2c056eb62d 100644
--- a/sound/firewire/bebob/bebob_stream.c
+++ b/sound/firewire/bebob/bebob_stream.c
@@ -253,8 +253,7 @@ int snd_bebob_stream_get_clock_src(struct snd_bebob *bebob,
return err;
}
-static unsigned int
-map_data_channels(struct snd_bebob *bebob, struct amdtp_stream *s)
+static int map_data_channels(struct snd_bebob *bebob, struct amdtp_stream *s)
{
unsigned int sec, sections, ch, channels;
unsigned int pcm, midi, location;
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index e858b6fa0c3a..74244d8e2909 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -443,8 +443,6 @@ static void azx_int_disable(struct hdac_bus *bus)
list_for_each_entry(azx_dev, &bus->stream_list, list)
snd_hdac_stream_updateb(azx_dev, SD_CTL, SD_INT_MASK, 0);
- synchronize_irq(bus->irq);
-
/* disable SIE for all streams */
snd_hdac_chip_writeb(bus, INTCTL, 0);
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index bfc45086cf79..0b24c5ce2fd6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1455,9 +1455,9 @@ static int azx_free(struct azx *chip)
}
if (bus->chip_init) {
- azx_stop_chip(chip);
azx_clear_irq_pending(chip);
azx_stop_all_streams(chip);
+ azx_stop_chip(chip);
}
if (bus->irq >= 0)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index dd46354270d0..7e86aeb3ec33 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -421,6 +421,9 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
case 0x10ec0672:
alc_update_coef_idx(codec, 0xd, 0, 1<<14); /* EAPD Ctrl */
break;
+ case 0x10ec0623:
+ alc_update_coef_idx(codec, 0x19, 1<<13, 0);
+ break;
case 0x10ec0668:
alc_update_coef_idx(codec, 0x7, 3<<13, 0);
break;
@@ -2908,6 +2911,7 @@ enum {
ALC269_TYPE_ALC225,
ALC269_TYPE_ALC294,
ALC269_TYPE_ALC300,
+ ALC269_TYPE_ALC623,
ALC269_TYPE_ALC700,
};
@@ -2943,6 +2947,7 @@ static int alc269_parse_auto_config(struct hda_codec *codec)
case ALC269_TYPE_ALC225:
case ALC269_TYPE_ALC294:
case ALC269_TYPE_ALC300:
+ case ALC269_TYPE_ALC623:
case ALC269_TYPE_ALC700:
ssids = alc269_ssids;
break;
@@ -3458,7 +3463,9 @@ static void alc294_init(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
- if (!spec->done_hp_init) {
+ /* required only at boot or S4 resume time */
+ if (!spec->done_hp_init ||
+ codec->core.dev.power.power_state.event == PM_EVENT_RESTORE) {
alc294_hp_init(codec);
spec->done_hp_init = true;
}
@@ -5251,6 +5258,17 @@ static void alc271_hp_gate_mic_jack(struct hda_codec *codec,
}
}
+static void alc256_fixup_dell_xps_13_headphone_noise2(struct hda_codec *codec,
+ const struct hda_fixup *fix,
+ int action)
+{
+ if (action != HDA_FIXUP_ACT_PRE_PROBE)
+ return;
+
+ snd_hda_codec_amp_stereo(codec, 0x1a, HDA_INPUT, 0, HDA_AMP_VOLMASK, 1);
+ snd_hda_override_wcaps(codec, 0x1a, get_wcaps(codec, 0x1a) & ~AC_WCAP_IN_AMP);
+}
+
static void alc269_fixup_limit_int_mic_boost(struct hda_codec *codec,
const struct hda_fixup *fix,
int action)
@@ -5633,6 +5651,7 @@ enum {
ALC298_FIXUP_DELL_AIO_MIC_NO_PRESENCE,
ALC275_FIXUP_DELL_XPS,
ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE,
+ ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE2,
ALC293_FIXUP_LENOVO_SPK_NOISE,
ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY,
ALC255_FIXUP_DELL_SPK_NOISE,
@@ -6350,6 +6369,12 @@ static const struct hda_fixup alc269_fixups[] = {
.chained = true,
.chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
},
+ [ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE2] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc256_fixup_dell_xps_13_headphone_noise2,
+ .chained = true,
+ .chain_id = ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE
+ },
[ALC293_FIXUP_LENOVO_SPK_NOISE] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_disable_aamix,
@@ -6792,17 +6817,17 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
- SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13 9350", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
+ SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13 9350", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE2),
SND_PCI_QUIRK(0x1028, 0x0706, "Dell Inspiron 7559", ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER),
SND_PCI_QUIRK(0x1028, 0x0725, "Dell Inspiron 3162", ALC255_FIXUP_DELL_SPK_NOISE),
SND_PCI_QUIRK(0x1028, 0x0738, "Dell Precision 5820", ALC269_FIXUP_NO_SHUTUP),
- SND_PCI_QUIRK(0x1028, 0x075b, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
+ SND_PCI_QUIRK(0x1028, 0x075b, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE2),
SND_PCI_QUIRK(0x1028, 0x075c, "Dell XPS 27 7760", ALC298_FIXUP_SPK_VOLUME),
SND_PCI_QUIRK(0x1028, 0x075d, "Dell AIO", ALC298_FIXUP_SPK_VOLUME),
SND_PCI_QUIRK(0x1028, 0x07b0, "Dell Precision 7520", ALC295_FIXUP_DISABLE_DAC3),
SND_PCI_QUIRK(0x1028, 0x0798, "Dell Inspiron 17 7000 Gaming", ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER),
SND_PCI_QUIRK(0x1028, 0x080c, "Dell WYSE", ALC225_FIXUP_DELL_WYSE_MIC_NO_PRESENCE),
- SND_PCI_QUIRK(0x1028, 0x082a, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
+ SND_PCI_QUIRK(0x1028, 0x082a, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE2),
SND_PCI_QUIRK(0x1028, 0x084b, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB),
SND_PCI_QUIRK(0x1028, 0x084e, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB),
SND_PCI_QUIRK(0x1028, 0x0871, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC),
@@ -6978,6 +7003,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x312f, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION),
SND_PCI_QUIRK(0x17aa, 0x3151, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC),
+ SND_PCI_QUIRK(0x17aa, 0x3176, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC),
+ SND_PCI_QUIRK(0x17aa, 0x3178, "ThinkCentre Station", ALC283_FIXUP_HEADSET_MIC),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
SND_PCI_QUIRK(0x17aa, 0x3977, "IdeaPad S210", ALC283_FIXUP_INT_MIC),
SND_PCI_QUIRK(0x17aa, 0x3978, "Lenovo B50-70", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
@@ -7761,6 +7788,9 @@ static int patch_alc269(struct hda_codec *codec)
spec->codec_variant = ALC269_TYPE_ALC300;
spec->gen.mixer_nid = 0; /* no loopback on ALC300 */
break;
+ case 0x10ec0623:
+ spec->codec_variant = ALC269_TYPE_ALC623;
+ break;
case 0x10ec0700:
case 0x10ec0701:
case 0x10ec0703:
@@ -8879,6 +8909,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = {
HDA_CODEC_ENTRY(0x10ec0298, "ALC298", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0299, "ALC299", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0300, "ALC300", patch_alc269),
+ HDA_CODEC_ENTRY(0x10ec0623, "ALC623", patch_alc269),
HDA_CODEC_REV_ENTRY(0x10ec0861, 0x100340, "ALC660", patch_alc861),
HDA_CODEC_ENTRY(0x10ec0660, "ALC660-VD", patch_alc861vd),
HDA_CODEC_ENTRY(0x10ec0861, "ALC861", patch_alc861),
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 60d00091f64b..c102c0377ad9 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1343,7 +1343,8 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
struct usb_interface *iface;
/* Playback Designs */
- if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) {
+ if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
+ USB_ID_PRODUCT(chip->usb_id) < 0x0110) {
switch (fp->altsetting) {
case 1:
fp->dsd_dop = true;
@@ -1360,37 +1361,19 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
/* XMOS based USB DACs */
switch (chip->usb_id) {
case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
- case USB_ID(0x20b1, 0x0002): /* Wyred 4 Sound DAC-2 DSD */
- case USB_ID(0x20b1, 0x2004): /* Matrix Audio X-SPDIF 2 */
- case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */
- case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */
- case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */
- case USB_ID(0x22d9, 0x0436): /* OPPO Sonica */
- case USB_ID(0x22d9, 0x0461): /* OPPO UDP-205 */
case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
if (fp->altsetting == 2)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
break;
- case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
- case USB_ID(0x152a, 0x85de): /* SMSL D1 DAC */
- case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
+ case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */
+ case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
- case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */
- case USB_ID(0x20b1, 0x2005): /* Denafrips Ares DAC */
- case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */
- case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */
- case USB_ID(0x20b1, 0x3021): /* Eastern El. MiniMax Tube DAC Supreme */
- case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */
- case USB_ID(0x20b1, 0x302d): /* Unison Research Unico CD Due */
- case USB_ID(0x20b1, 0x307b): /* CH Precision C1 DAC */
- case USB_ID(0x20b1, 0x3086): /* Singxer F-1 converter board */
- case USB_ID(0x22d9, 0x0426): /* OPPO HA-2 */
case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
@@ -1445,9 +1428,13 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
* from XMOS/Thesycon
*/
switch (USB_ID_VENDOR(chip->usb_id)) {
- case 0x20b1: /* XMOS based devices */
case 0x152a: /* Thesycon devices */
+ case 0x20b1: /* XMOS based devices */
+ case 0x22d9: /* Oppo */
+ case 0x23ba: /* Playback Designs */
case 0x25ce: /* Mytek devices */
+ case 0x278b: /* Rotel? */
+ case 0x292b: /* Gustard/Ess based devices */
case 0x2ab6: /* T+A devices */
case 0x3842: /* EVGA */
case 0xc502: /* HiBy devices */
diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile
index ed61fb3a46c0..5b2cd5e58df0 100644
--- a/tools/lib/subcmd/Makefile
+++ b/tools/lib/subcmd/Makefile
@@ -20,7 +20,13 @@ MAKEFLAGS += --no-print-directory
LIBFILE = $(OUTPUT)libsubcmd.a
CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS)
-CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC
+CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -fPIC
+
+ifeq ($(DEBUG),0)
+ ifeq ($(feature-fortify-source), 1)
+ CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2
+ endif
+endif
ifeq ($(CC_NO_CLANG), 0)
CFLAGS += -O3
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
index 0b242664f5ea..e46be9ef5a68 100644
--- a/tools/perf/arch/powerpc/util/header.c
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <sys/types.h>
+#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
@@ -31,7 +32,7 @@ get_cpuid(char *buffer, size_t sz)
buffer[nb-1] = '\0';
return 0;
}
- return -1;
+ return ENOBUFS;
}
char *
diff --git a/tools/perf/arch/s390/util/header.c b/tools/perf/arch/s390/util/header.c
index 163b92f33998..cc72554c362a 100644
--- a/tools/perf/arch/s390/util/header.c
+++ b/tools/perf/arch/s390/util/header.c
@@ -11,6 +11,7 @@
*/
#include <sys/types.h>
+#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
@@ -56,7 +57,7 @@ int get_cpuid(char *buffer, size_t sz)
sysinfo = fopen(SYSINFO, "r");
if (sysinfo == NULL)
- return -1;
+ return errno;
while ((read = getline(&line, &line_sz, sysinfo)) != -1) {
if (!strncmp(line, SYSINFO_MANU, strlen(SYSINFO_MANU))) {
@@ -91,7 +92,7 @@ int get_cpuid(char *buffer, size_t sz)
/* Missing manufacturer, type or model information should not happen */
if (!manufacturer[0] || !type[0] || !model[0])
- return -1;
+ return EINVAL;
/*
* Scan /proc/service_levels and return the CPU-MF counter facility
@@ -135,14 +136,14 @@ int get_cpuid(char *buffer, size_t sz)
else
nbytes = snprintf(buffer, sz, "%s,%s,%s", manufacturer, type,
model);
- return (nbytes >= sz) ? -1 : 0;
+ return (nbytes >= sz) ? ENOBUFS : 0;
}
char *get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
{
char *buf = malloc(128);
- if (buf && get_cpuid(buf, 128) < 0)
+ if (buf && get_cpuid(buf, 128))
zfree(&buf);
return buf;
}
diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c
index fb0d71afee8b..2a5daec6fb8b 100644
--- a/tools/perf/arch/x86/util/header.c
+++ b/tools/perf/arch/x86/util/header.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <sys/types.h>
+#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
@@ -56,7 +57,7 @@ __get_cpuid(char *buffer, size_t sz, const char *fmt)
buffer[nb-1] = '\0';
return 0;
}
- return -1;
+ return ENOBUFS;
}
int
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index 2b1ef704169f..952e2228f6c6 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -699,14 +699,15 @@ static int process_sample_event(struct perf_tool *tool,
static int cpu_isa_config(struct perf_kvm_stat *kvm)
{
- char buf[64], *cpuid;
+ char buf[128], *cpuid;
int err;
if (kvm->live) {
err = get_cpuid(buf, sizeof(buf));
if (err != 0) {
- pr_err("Failed to look up CPU type\n");
- return err;
+ pr_err("Failed to look up CPU type: %s\n",
+ str_error_r(err, buf, sizeof(buf)));
+ return -err;
}
cpuid = buf;
} else
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 53c11fc0855e..d20f851796c5 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1021,7 +1021,7 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
continue;
insn = 0;
- for (off = 0;; off += ilen) {
+ for (off = 0; off < (unsigned)len; off += ilen) {
uint64_t ip = start + off;
printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
@@ -1029,6 +1029,7 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
break;
} else {
+ ilen = 0;
printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
dump_insn(&x, ip, buffer + off, len - off, &ilen));
if (ilen == 0)
@@ -1036,6 +1037,8 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
insn++;
}
}
+ if (off != (unsigned)len)
+ printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
}
/*
@@ -1066,6 +1069,7 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
goto out;
}
for (off = 0; off <= end - start; off += ilen) {
+ ilen = 0;
printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
dump_insn(&x, start + off, buffer + off, len - off, &ilen));
if (ilen == 0)
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index 6b36b7110669..6cd9623ebc93 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -446,12 +446,12 @@ static struct fixed {
const char *name;
const char *event;
} fixed[] = {
- { "inst_retired.any", "event=0xc0" },
- { "inst_retired.any_p", "event=0xc0" },
- { "cpu_clk_unhalted.ref", "event=0x0,umask=0x03" },
- { "cpu_clk_unhalted.thread", "event=0x3c" },
- { "cpu_clk_unhalted.core", "event=0x3c" },
- { "cpu_clk_unhalted.thread_any", "event=0x3c,any=1" },
+ { "inst_retired.any", "event=0xc0,period=2000003" },
+ { "inst_retired.any_p", "event=0xc0,period=2000003" },
+ { "cpu_clk_unhalted.ref", "event=0x0,umask=0x03,period=2000003" },
+ { "cpu_clk_unhalted.thread", "event=0x3c,period=2000003" },
+ { "cpu_clk_unhalted.core", "event=0x3c,period=2000003" },
+ { "cpu_clk_unhalted.thread_any", "event=0x3c,any=1,period=2000003" },
{ NULL, NULL},
};
diff --git a/tools/perf/tests/perf-hooks.c b/tools/perf/tests/perf-hooks.c
index a693bcf017ea..44c16fd11bf6 100644
--- a/tools/perf/tests/perf-hooks.c
+++ b/tools/perf/tests/perf-hooks.c
@@ -20,12 +20,11 @@ static void sigsegv_handler(int sig __maybe_unused)
static void the_hook(void *_hook_flags)
{
int *hook_flags = _hook_flags;
- int *p = NULL;
*hook_flags = 1234;
/* Generate a segfault, test perf_hooks__recover */
- *p = 0;
+ raise(SIGSEGV);
}
int test__perf_hooks(struct test *test __maybe_unused, int subtest __maybe_unused)
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index daea1fdf7385..6958d7eed5be 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -1614,7 +1614,7 @@ static int dso__disassemble_filename(struct dso *dso, char *filename, size_t fil
build_id_path = strdup(filename);
if (!build_id_path)
- return -1;
+ return ENOMEM;
/*
* old style build-id cache has name of XX/XXXXXXX.. while
@@ -1871,11 +1871,11 @@ int symbol__annotate(struct symbol *sym, struct map *map,
int err;
if (!arch_name)
- return -1;
+ return errno;
args.arch = arch = arch__find(arch_name);
if (arch == NULL)
- return -ENOTSUP;
+ return ENOTSUP;
if (parch)
*parch = arch;
@@ -2732,7 +2732,7 @@ int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *ev
notes->offsets = zalloc(size * sizeof(struct annotation_line *));
if (notes->offsets == NULL)
- return -1;
+ return ENOMEM;
if (perf_evsel__is_group_event(evsel))
nr_pcnt = evsel->nr_members;
@@ -2757,7 +2757,7 @@ int symbol__annotate2(struct symbol *sym, struct map *map, struct perf_evsel *ev
out_free_offsets:
zfree(¬es->offsets);
- return -1;
+ return err;
}
#define ANNOTATION__CFG(n) \
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 6a6929f208b4..1117ab86ebd3 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include "symbol.h"
+#include <assert.h>
#include <errno.h>
#include <inttypes.h>
#include <limits.h>
@@ -751,6 +752,8 @@ static int maps__fixup_overlappings(struct maps *maps, struct map *map, FILE *fp
}
after->start = map->end;
+ after->pgoff += map->end - pos->start;
+ assert(pos->map_ip(pos, map->end) == after->map_ip(after, map->end));
__map_groups__insert(pos->groups, after);
if (verbose >= 2 && !use_browser)
map__fprintf(after, fp);
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 71cf7e77291a..823bbc741ad7 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -1953,11 +1953,12 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
#define PCL_7S 11 /* PC7 Shrink */
#define PCL__8 12 /* PC8 */
#define PCL__9 13 /* PC9 */
-#define PCLUNL 14 /* Unlimited */
+#define PCL_10 14 /* PC10 */
+#define PCLUNL 15 /* Unlimited */
int pkg_cstate_limit = PCLUKN;
char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
- "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"};
+ "pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "pc10", "unlimited"};
int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
@@ -1965,7 +1966,7 @@ int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S,
int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7};
int amt_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
-int bxt_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
+int glm_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCL_10, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
int skx_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
@@ -3165,7 +3166,7 @@ int probe_nhm_msrs(unsigned int family, unsigned int model)
case INTEL_FAM6_ATOM_GOLDMONT: /* BXT */
case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
case INTEL_FAM6_ATOM_GOLDMONT_X: /* DNV */
- pkg_cstate_limits = bxt_pkg_cstate_limits;
+ pkg_cstate_limits = glm_pkg_cstate_limits;
break;
default:
return 0;
