185 files changed, 1581 insertions, 779 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 7cacc88dc79c..229c66b12cc2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -5581,9 +5581,9 @@ S:	Maintained
 F:      drivers/media/tuners/mxl5007t.*
 MYRICOM MYRI-10G 10GbE DRIVER (MYRI10GE)
-M:      Andrew Gallatin <gallatin@myri.com>
+M:      Hyong-Youb Kim <hykim@myri.com>
 L:      netdev@vger.kernel.org
-W:      http://www.myri.com/scs/download-Myri10GE.html
+W:      https://www.myricom.com/support/downloads/myri10ge.html
 S:      Supported
 F:      drivers/net/ethernet/myricom/myri10ge/
@@ -7366,7 +7366,6 @@ F:	drivers/net/ethernet/sfc/
 SGI GRU DRIVER
 M:      Dimitri Sivanich <sivanich@sgi.com>
-M:      Robin Holt <holt@sgi.com>
 S:      Maintained
 F:      drivers/misc/sgi-gru/
@@ -7386,7 +7385,8 @@ S:	Maintained for 2.6.
 F:      Documentation/sgi-visws.txt
 SGI XP/XPC/XPNET DRIVER
-M:      Robin Holt <holt@sgi.com>
+M:      Cliff Whickman <cpw@sgi.com>
+M:      Robin Holt <robinmholt@gmail.com>
 S:      Maintained
 F:      drivers/misc/sgi-xp/
diff --git a/Makefile b/Makefile
index 6e488480bff3..a5a55f4547c6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 11
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Linux for Workgroups
 # *DOCUMENTATION*
diff --git a/arch/Kconfig b/arch/Kconfig
index 8d2ae24b9f4a..1feb169274fe 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -407,6 +407,12 @@ config CLONE_BACKWARDS2
        help
          Architecture has the first two arguments of clone(2) swapped.
+config CLONE_BACKWARDS3
+        bool
+        help
+          Architecture has tls passed as the 3rd argument of clone(2),
+          not the 5th one.
 config ODD_RT_SIGACTION
        bool
        help
diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h
index 6462a721ebd4..a252c0bfacf5 100644
--- a/arch/arm/include/asm/smp_plat.h
+++ b/arch/arm/include/asm/smp_plat.h
@@ -88,4 +88,7 @@ static inline u32 mpidr_hash_size(void)
 {
        return 1 << mpidr_hash.bits;
 }
+extern int platform_can_cpu_hotplug(void);
 #endif
diff --git a/arch/arm/include/asm/spinlock.h b/arch/arm/include/asm/spinlock.h
index f8b8965666e9..b07c09e5a0ac 100644
--- a/arch/arm/include/asm/spinlock.h
+++ b/arch/arm/include/asm/spinlock.h
@@ -107,7 +107,7 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
                "       subs    %1, %0, %0, ror #16\n"
                "       addeq   %0, %0, %4\n"
                "       strexeq %2, %0, [%3]"
-                : "=&r" (slock), "=&r" (contended), "=r" (res)
+                : "=&r" (slock), "=&r" (contended), "=&r" (res)
                : "r" (&lock->slock), "I" (1 << TICKET_SHIFT)
                : "cc");
        } while (res);
@@ -168,17 +168,20 @@ static inline void arch_write_lock(arch_rwlock_t *rw)
 static inline int arch_write_trylock(arch_rwlock_t *rw)
 {
-        unsigned long tmp;
+        unsigned long contended, res;
-        __asm__ __volatile__(
+        do {
-"       ldrex   %0, [%1]\n"
+                __asm__ __volatile__(
-"       teq     %0, #0\n"
+                "       ldrex   %0, [%2]\n"
-"       strexeq %0, %2, [%1]"
+                "       mov     %1, #0\n"
-        : "=&r" (tmp)
+                "       teq     %0, #0\n"
-        : "r" (&rw->lock), "r" (0x80000000)
+                "       strexeq %1, %3, [%2]"
-        : "cc");
+                : "=&r" (contended), "=&r" (res)
+                : "r" (&rw->lock), "r" (0x80000000)
+                : "cc");
+        } while (res);
-        if (tmp == 0) {
+        if (!contended) {
                smp_mb();
                return 1;
        } else {
@@ -254,18 +257,26 @@ static inline void arch_read_unlock(arch_rwlock_t *rw)
 static inline int arch_read_trylock(arch_rwlock_t *rw)
 {
-        unsigned long tmp, tmp2 = 1;
+        unsigned long contended, res;
-        __asm__ __volatile__(
+        do {
-"       ldrex   %0, [%2]\n"
+                __asm__ __volatile__(
-"       adds    %0, %0, #1\n"
+                "       ldrex   %0, [%2]\n"
-"       strexpl %1, %0, [%2]\n"
+                "       mov     %1, #0\n"
-        : "=&r" (tmp), "+r" (tmp2)
+                "       adds    %0, %0, #1\n"
-        : "r" (&rw->lock)
+                "       strexpl %1, %0, [%2]"
-        : "cc");
+                : "=&r" (contended), "=&r" (res)
+                : "r" (&rw->lock)
+                : "cc");
+        } while (res);
-        smp_mb();
+        /* If the lock is negative, then it is already held for write. */
-        return tmp2 == 0;
+        if (contended < 0x80000000) {
+                smp_mb();
+                return 1;
+        } else {
+                return 0;
+        }
 }
 /* read_can_lock - would read_trylock() succeed? */
diff --git a/arch/arm/include/asm/tlb.h b/arch/arm/include/asm/tlb.h
index 46e7cfb3e721..0baf7f0d9394 100644
--- a/arch/arm/include/asm/tlb.h
+++ b/arch/arm/include/asm/tlb.h
@@ -43,6 +43,7 @@ struct mmu_gather {
        struct mm_struct        *mm;
        unsigned int            fullmm;
        struct vm_area_struct   *vma;
+        unsigned long           start, end;
        unsigned long           range_start;
        unsigned long           range_end;
        unsigned int            nr;
@@ -107,10 +108,12 @@ static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 }
 static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int fullmm)
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
        tlb->mm = mm;
-        tlb->fullmm = fullmm;
+        tlb->fullmm = !(start | (end+1));
+        tlb->start = start;
+        tlb->end = end;
        tlb->vma = NULL;
        tlb->max = ARRAY_SIZE(tlb->local);
        tlb->pages = tlb->local;
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index d40d0ef389db..9cbe70c8b0ef 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -357,7 +357,8 @@ ENDPROC(__pabt_svc)
        .endm
        .macro  kuser_cmpxchg_check
-#if !defined(CONFIG_CPU_32v6K) && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
+#if !defined(CONFIG_CPU_32v6K) && defined(CONFIG_KUSER_HELPERS) && \
+    !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
 #ifndef CONFIG_MMU
 #warning "NPTL on non MMU needs fixing"
 #else
diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c
index 25442f451148..fc7920288a3d 100644
--- a/arch/arm/kernel/fiq.c
+++ b/arch/arm/kernel/fiq.c
@@ -84,17 +84,13 @@ int show_fiq_list(struct seq_file *p, int prec)
 void set_fiq_handler(void *start, unsigned int length)
 {
-#if defined(CONFIG_CPU_USE_DOMAINS)
-        void *base = (void *)0xffff0000;
-#else
        void *base = vectors_page;
-#endif
        unsigned offset = FIQ_OFFSET;
        memcpy(base + offset, start, length);
+        if (!cache_is_vipt_nonaliasing())
+                flush_icache_range(base + offset, offset + length);
        flush_icache_range(0xffff0000 + offset, 0xffff0000 + offset + length);
-        if (!vectors_high())
-                flush_icache_range(offset, offset + length);
 }
 int claim_fiq(struct fiq_handler *f)
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c
index 4fb074c446bf..d7c82df69243 100644
--- a/arch/arm/kernel/machine_kexec.c
+++ b/arch/arm/kernel/machine_kexec.c
@@ -15,6 +15,7 @@
 #include <asm/mmu_context.h>
 #include <asm/cacheflush.h>
 #include <asm/mach-types.h>
+#include <asm/smp_plat.h>
 #include <asm/system_misc.h>
 extern const unsigned char relocate_new_kernel[];
@@ -39,6 +40,14 @@ int machine_kexec_prepare(struct kimage *image)
        int i, err;
        /*
+         * Validate that if the current HW supports SMP, then the SW supports
+         * and implements CPU hotplug for the current HW. If not, we won't be
+         * able to kexec reliably, so fail the prepare operation.
+         */
+        if (num_possible_cpus() > 1 && !platform_can_cpu_hotplug())
+                return -EINVAL;
+        /*
         * No segment at default ATAGs address. try to locate
         * a dtb using magic.
         */
@@ -134,10 +143,13 @@ void machine_kexec(struct kimage *image)
        unsigned long reboot_code_buffer_phys;
        void *reboot_code_buffer;
-        if (num_online_cpus() > 1) {
+        /*
-                pr_err("kexec: error: multiple CPUs still online\n");
+         * This can only happen if machine_shutdown() failed to disable some
-                return;
+         * CPU, and that can only happen if the checks in
-        }
+         * machine_kexec_prepare() were not correct. If this fails, we can't
+         * reliably kexec anyway, so BUG_ON is appropriate.
+         */
+        BUG_ON(num_online_cpus() > 1);
        page_list = image->head & PAGE_MASK;
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index d9f5cd4e533f..e186ee1e63f6 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -53,7 +53,12 @@ armpmu_map_cache_event(const unsigned (*cache_map)
 static int
 armpmu_map_hw_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config)
 {
-        int mapping = (*event_map)[config];
+        int mapping;
+        if (config >= PERF_COUNT_HW_MAX)
+                return -EINVAL;
+        mapping = (*event_map)[config];
        return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping;
 }
@@ -253,6 +258,9 @@ validate_event(struct pmu_hw_events *hw_events,
        struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
        struct pmu *leader_pmu = event->group_leader->pmu;
+        if (is_software_event(event))
+                return 1;
        if (event->pmu != leader_pmu || event->state < PERF_EVENT_STATE_OFF)
                return 1;
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 536c85fe72a8..94f6b05f9e24 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -462,7 +462,7 @@ int in_gate_area_no_mm(unsigned long addr)
 {
        return in_gate_area(NULL, addr);
 }
-#define is_gate_vma(vma)        ((vma) = &gate_vma)
+#define is_gate_vma(vma)        ((vma) == &gate_vma)
 #else
 #define is_gate_vma(vma)        0
 #endif
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index c2b4f8f0be9a..2dc19349eb19 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -145,6 +145,16 @@ int boot_secondary(unsigned int cpu, struct task_struct *idle)
        return -ENOSYS;
 }
+int platform_can_cpu_hotplug(void)
+{
+#ifdef CONFIG_HOTPLUG_CPU
+        if (smp_ops.cpu_kill)
+                return 1;
+#endif
+        return 0;
+}
 #ifdef CONFIG_HOTPLUG_CPU
 static void percpu_timer_stop(void);
diff --git a/arch/arm64/include/asm/tlb.h b/arch/arm64/include/asm/tlb.h
index 46b3beb4b773..717031a762c2 100644
--- a/arch/arm64/include/asm/tlb.h
+++ b/arch/arm64/include/asm/tlb.h
@@ -35,6 +35,7 @@ struct mmu_gather {
        struct mm_struct        *mm;
        unsigned int            fullmm;
        struct vm_area_struct   *vma;
+        unsigned long           start, end;
        unsigned long           range_start;
        unsigned long           range_end;
        unsigned int            nr;
@@ -97,10 +98,12 @@ static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 }
 static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int fullmm)
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
        tlb->mm = mm;
-        tlb->fullmm = fullmm;
+        tlb->fullmm = !(start | (end+1));
+        tlb->start = start;
+        tlb->end = end;
        tlb->vma = NULL;
        tlb->max = ARRAY_SIZE(tlb->local);
        tlb->pages = tlb->local;
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 33a97929d055..77d442ab28c8 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -158,6 +158,7 @@ source "kernel/Kconfig.hz"
 endmenu
 source "init/Kconfig"
+source "kernel/Kconfig.freezer"
 source "drivers/Kconfig"
 source "fs/Kconfig"
diff --git a/arch/ia64/include/asm/tlb.h b/arch/ia64/include/asm/tlb.h
index ef3a9de01954..bc5efc7c3f3f 100644
--- a/arch/ia64/include/asm/tlb.h
+++ b/arch/ia64/include/asm/tlb.h
@@ -22,7 +22,7 @@
 * unmapping a portion of the virtual address space, these hooks are called according to
 * the following template:
 *
- *      tlb <- tlb_gather_mmu(mm, full_mm_flush);       // start unmap for address space MM
+ *      tlb <- tlb_gather_mmu(mm, start, end);          // start unmap for address space MM
 *      {
 *        for each vma that needs a shootdown do {
 *          tlb_start_vma(tlb, vma);
@@ -58,6 +58,7 @@ struct mmu_gather {
        unsigned int            max;
        unsigned char           fullmm;         /* non-zero means full mm flush */
        unsigned char           need_flush;     /* really unmapped some PTEs? */
+        unsigned long           start, end;
        unsigned long           start_addr;
        unsigned long           end_addr;
        struct page             **pages;
@@ -155,13 +156,15 @@ static inline void __tlb_alloc_page(struct mmu_gather *tlb)
 static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush)
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
        tlb->mm = mm;
        tlb->max = ARRAY_SIZE(tlb->local);
        tlb->pages = tlb->local;
        tlb->nr = 0;
-        tlb->fullmm = full_mm_flush;
+        tlb->fullmm = !(start | (end+1));
+        tlb->start = start;
+        tlb->end = end;
        tlb->start_addr = ~0UL;
 }
diff --git a/arch/m68k/emu/natfeat.c b/arch/m68k/emu/natfeat.c
index 2291a7d69d49..fa277aecfb78 100644
--- a/arch/m68k/emu/natfeat.c
+++ b/arch/m68k/emu/natfeat.c
@@ -18,9 +18,11 @@
 #include <asm/machdep.h>
 #include <asm/natfeat.h>
+extern long nf_get_id2(const char *feature_name);
 asm("\n"
-"       .global nf_get_id,nf_call\n"
+"       .global nf_get_id2,nf_call\n"
-"nf_get_id:\n"
+"nf_get_id2:\n"
 "       .short  0x7300\n"
 "       rts\n"
 "nf_call:\n"
@@ -29,12 +31,25 @@ asm("\n"
 "1:     moveq.l #0,%d0\n"
 "       rts\n"
 "       .section __ex_table,\"a\"\n"
-"       .long   nf_get_id,1b\n"
+"       .long   nf_get_id2,1b\n"
 "       .long   nf_call,1b\n"
 "       .previous");
-EXPORT_SYMBOL_GPL(nf_get_id);
 EXPORT_SYMBOL_GPL(nf_call);
+long nf_get_id(const char *feature_name)
+{
+        /* feature_name may be in vmalloc()ed memory, so make a copy */
+        char name_copy[32];
+        size_t n;
+        n = strlcpy(name_copy, feature_name, sizeof(name_copy));
+        if (n >= sizeof(name_copy))
+                return 0;
+        return nf_get_id2(name_copy);
+}
+EXPORT_SYMBOL_GPL(nf_get_id);
 void nfprint(const char *fmt, ...)
 {
        static char buf[256];
diff --git a/arch/m68k/include/asm/div64.h b/arch/m68k/include/asm/div64.h
index 444ea8a09e9f..ef881cfbbca9 100644
--- a/arch/m68k/include/asm/div64.h
+++ b/arch/m68k/include/asm/div64.h
@@ -15,16 +15,17 @@
                unsigned long long n64;                         \
        } __n;                                                  \
        unsigned long __rem, __upper;                           \
+        unsigned long __base = (base);                          \
                                                                \
        __n.n64 = (n);                                          \
        if ((__upper = __n.n32[0])) {                           \
                asm ("divul.l %2,%1:%0"                         \
-                        : "=d" (__n.n32[0]), "=d" (__upper)     \
+                     : "=d" (__n.n32[0]), "=d" (__upper)        \
-                        : "d" (base), "0" (__n.n32[0]));        \
+                     : "d" (__base), "0" (__n.n32[0]));         \
        }                                                       \
        asm ("divu.l %2,%1:%0"                                  \
-                : "=d" (__n.n32[1]), "=d" (__rem)               \
+             : "=d" (__n.n32[1]), "=d" (__rem)                  \
-                : "d" (base), "1" (__upper), "0" (__n.n32[1])); \
+             : "d" (__base), "1" (__upper), "0" (__n.n32[1]));  \
        (n) = __n.n64;                                          \
        __rem;                                                  \
 })
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index d22a4ecffff4..4fab52294d98 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -28,7 +28,7 @@ config MICROBLAZE
        select GENERIC_CLOCKEVENTS
        select GENERIC_IDLE_POLL_SETUP
        select MODULES_USE_ELF_RELA
-        select CLONE_BACKWARDS
+        select CLONE_BACKWARDS3
 config SWAP
        def_bool n
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 99dbab1c59ac..d60bf98fa5cf 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -55,6 +55,7 @@ config GENERIC_CSUM
 source "init/Kconfig"
+source "kernel/Kconfig.freezer"
 menu "Processor type and features"
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index b75d7d686684..6d6d92b4ea11 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -32,6 +32,7 @@ struct mmu_gather {
        struct mm_struct *mm;
        struct mmu_table_batch *batch;
        unsigned int fullmm;
+        unsigned long start, end;
 };
 struct mmu_table_batch {
@@ -48,10 +49,13 @@ extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
 static inline void tlb_gather_mmu(struct mmu_gather *tlb,
                                  struct mm_struct *mm,
-                                  unsigned int full_mm_flush)
+                                  unsigned long start,
+                                  unsigned long end)
 {
        tlb->mm = mm;
-        tlb->fullmm = full_mm_flush;
+        tlb->start = start;
+        tlb->end = end;
+        tlb->fullmm = !(start | (end+1));
        tlb->batch = NULL;
        if (tlb->fullmm)
                __tlb_flush_mm(mm);
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index c8def8bc9020..5fc237581caf 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -87,6 +87,8 @@ config STACKTRACE_SUPPORT
 source "init/Kconfig"
+source "kernel/Kconfig.freezer"
 config MMU
        def_bool y
diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h
index e61d43d9f689..362192ed12fe 100644
--- a/arch/sh/include/asm/tlb.h
+++ b/arch/sh/include/asm/tlb.h
@@ -36,10 +36,12 @@ static inline void init_tlb_gather(struct mmu_gather *tlb)
 }
 static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush)
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
        tlb->mm = mm;
-        tlb->fullmm = full_mm_flush;
+        tlb->start = start;
+        tlb->end = end;
+        tlb->fullmm = !(start | (end+1));
        init_tlb_gather(tlb);
 }
diff --git a/arch/um/include/asm/tlb.h b/arch/um/include/asm/tlb.h
index 4febacd1a8a1..29b0301c18aa 100644
--- a/arch/um/include/asm/tlb.h
+++ b/arch/um/include/asm/tlb.h
@@ -45,10 +45,12 @@ static inline void init_tlb_gather(struct mmu_gather *tlb)
 }
 static inline void
-tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned int full_mm_flush)
+tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
        tlb->mm = mm;
-        tlb->fullmm = full_mm_flush;
+        tlb->start = start;
+        tlb->end = end;
+        tlb->fullmm = !(start | (end+1));
        init_tlb_gather(tlb);
 }
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
index f2b489cf1602..3bf2dd0cf61f 100644
--- a/arch/x86/include/asm/pgtable-2level.h
+++ b/arch/x86/include/asm/pgtable-2level.h
@@ -55,9 +55,53 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
 #define native_pmdp_get_and_clear(xp) native_local_pmdp_get_and_clear(xp)
 #endif
+#ifdef CONFIG_MEM_SOFT_DIRTY
+/*
+ * Bits _PAGE_BIT_PRESENT, _PAGE_BIT_FILE, _PAGE_BIT_SOFT_DIRTY and
+ * _PAGE_BIT_PROTNONE are taken, split up the 28 bits of offset
+ * into this range.
+ */
+#define PTE_FILE_MAX_BITS       28
+#define PTE_FILE_SHIFT1         (_PAGE_BIT_PRESENT + 1)
+#define PTE_FILE_SHIFT2         (_PAGE_BIT_FILE + 1)
+#define PTE_FILE_SHIFT3         (_PAGE_BIT_PROTNONE + 1)
+#define PTE_FILE_SHIFT4         (_PAGE_BIT_SOFT_DIRTY + 1)
+#define PTE_FILE_BITS1          (PTE_FILE_SHIFT2 - PTE_FILE_SHIFT1 - 1)
+#define PTE_FILE_BITS2          (PTE_FILE_SHIFT3 - PTE_FILE_SHIFT2 - 1)
+#define PTE_FILE_BITS3          (PTE_FILE_SHIFT4 - PTE_FILE_SHIFT3 - 1)
+#define pte_to_pgoff(pte)                                               \
+        ((((pte).pte_low >> (PTE_FILE_SHIFT1))                          \
+          & ((1U << PTE_FILE_BITS1) - 1)))                              \
+        + ((((pte).pte_low >> (PTE_FILE_SHIFT2))                        \
+            & ((1U << PTE_FILE_BITS2) - 1))                             \
+           << (PTE_FILE_BITS1))                                         \
+        + ((((pte).pte_low >> (PTE_FILE_SHIFT3))                        \
+            & ((1U << PTE_FILE_BITS3) - 1))                             \
+           << (PTE_FILE_BITS1 + PTE_FILE_BITS2))                        \
+        + ((((pte).pte_low >> (PTE_FILE_SHIFT4)))                       \
+            << (PTE_FILE_BITS1 + PTE_FILE_BITS2 + PTE_FILE_BITS3))
+#define pgoff_to_pte(off)                                               \
+        ((pte_t) { .pte_low =                                           \
+         ((((off)) & ((1U << PTE_FILE_BITS1) - 1)) << PTE_FILE_SHIFT1)  \
+         + ((((off) >> PTE_FILE_BITS1)                                  \
+             & ((1U << PTE_FILE_BITS2) - 1))                            \
+            << PTE_FILE_SHIFT2)                                         \
+         + ((((off) >> (PTE_FILE_BITS1 + PTE_FILE_BITS2))               \
+             & ((1U << PTE_FILE_BITS3) - 1))                            \
+            << PTE_FILE_SHIFT3)                                         \
+         + ((((off) >>                                                  \
+              (PTE_FILE_BITS1 + PTE_FILE_BITS2 + PTE_FILE_BITS3)))      \
+            << PTE_FILE_SHIFT4)                                         \
+         + _PAGE_FILE })
+#else /* CONFIG_MEM_SOFT_DIRTY */
 /*
 * Bits _PAGE_BIT_PRESENT, _PAGE_BIT_FILE and _PAGE_BIT_PROTNONE are taken,
- * split up the 29 bits of offset into this range:
+ * split up the 29 bits of offset into this range.
 */
 #define PTE_FILE_MAX_BITS       29
 #define PTE_FILE_SHIFT1         (_PAGE_BIT_PRESENT + 1)
@@ -88,6 +132,8 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
            << PTE_FILE_SHIFT3)                                         \
         + _PAGE_FILE })
+#endif /* CONFIG_MEM_SOFT_DIRTY */
 /* Encode and de-code a swap entry */
 #if _PAGE_BIT_FILE < _PAGE_BIT_PROTNONE
 #define SWP_TYPE_BITS (_PAGE_BIT_FILE - _PAGE_BIT_PRESENT - 1)
diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index 4cc9f2b7cdc3..81bb91b49a88 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -179,6 +179,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *pmdp)
 /*
 * Bits 0, 6 and 7 are taken in the low part of the pte,
 * put the 32 bits of offset into the high part.
+ *
+ * For soft-dirty tracking 11 bit is taken from
+ * the low part of pte as well.
 */
 #define pte_to_pgoff(pte) ((pte).pte_high)
 #define pgoff_to_pte(off)                                               \
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 7dc305a46058..1c00631164c2 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -314,6 +314,36 @@ static inline pmd_t pmd_mksoft_dirty(pmd_t pmd)
        return pmd_set_flags(pmd, _PAGE_SOFT_DIRTY);
 }
+static inline pte_t pte_swp_mksoft_dirty(pte_t pte)
+{
+        return pte_set_flags(pte, _PAGE_SWP_SOFT_DIRTY);
+}
+static inline int pte_swp_soft_dirty(pte_t pte)
+{
+        return pte_flags(pte) & _PAGE_SWP_SOFT_DIRTY;
+}
+static inline pte_t pte_swp_clear_soft_dirty(pte_t pte)
+{
+        return pte_clear_flags(pte, _PAGE_SWP_SOFT_DIRTY);
+}
+static inline pte_t pte_file_clear_soft_dirty(pte_t pte)
+{
+        return pte_clear_flags(pte, _PAGE_SOFT_DIRTY);
+}
+static inline pte_t pte_file_mksoft_dirty(pte_t pte)
+{
+        return pte_set_flags(pte, _PAGE_SOFT_DIRTY);
+}
+static inline int pte_file_soft_dirty(pte_t pte)
+{
+        return pte_flags(pte) & _PAGE_SOFT_DIRTY;
+}
 /*
 * Mask out unsupported bits in a present pgprot.  Non-present pgprots
 * can use those bits for other purposes, so leave them be.
diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h
index c98ac63aae48..f4843e031131 100644
--- a/arch/x86/include/asm/pgtable_types.h
+++ b/arch/x86/include/asm/pgtable_types.h
@@ -61,12 +61,27 @@
 * they do not conflict with each other.
 */
+#define _PAGE_BIT_SOFT_DIRTY    _PAGE_BIT_HIDDEN
 #ifdef CONFIG_MEM_SOFT_DIRTY
-#define _PAGE_SOFT_DIRTY        (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN)
+#define _PAGE_SOFT_DIRTY        (_AT(pteval_t, 1) << _PAGE_BIT_SOFT_DIRTY)
 #else
 #define _PAGE_SOFT_DIRTY        (_AT(pteval_t, 0))
 #endif
+/*
+ * Tracking soft dirty bit when a page goes to a swap is tricky.
+ * We need a bit which can be stored in pte _and_ not conflict
+ * with swap entry format. On x86 bits 6 and 7 are *not* involved
+ * into swap entry computation, but bit 6 is used for nonlinear
+ * file mapping, so we borrow bit 7 for soft dirty tracking.
+ */
+#ifdef CONFIG_MEM_SOFT_DIRTY
+#define _PAGE_SWP_SOFT_DIRTY    _PAGE_PSE
+#else
+#define _PAGE_SWP_SOFT_DIRTY    (_AT(pteval_t, 0))
+#endif
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
 #define _PAGE_NX        (_AT(pteval_t, 1) << _PAGE_BIT_NX)
 #else
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
index 33692eaabab5..e3ddd7db723f 100644
--- a/arch/x86/include/asm/spinlock.h
+++ b/arch/x86/include/asm/spinlock.h
@@ -233,8 +233,4 @@ static inline void arch_write_unlock(arch_rwlock_t *rw)
 #define arch_read_relax(lock)   cpu_relax()
 #define arch_write_relax(lock)  cpu_relax()
-/* The {read|write|spin}_lock() on x86 are full memory barriers. */
-static inline void smp_mb__after_lock(void) { }
-#define ARCH_HAS_SMP_MB_AFTER_LOCK
 #endif /* _ASM_X86_SPINLOCK_H */
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index fbc9210b45bc..a45d8d4ace10 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -2270,6 +2270,7 @@ __init int intel_pmu_init(void)
        case 70:
        case 71:
        case 63:
+        case 69:
                x86_pmu.late_ack = true;
                memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids));
                memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index cad791dbde95..1fb6c72717bd 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -314,8 +314,8 @@ static struct uncore_event_desc snbep_uncore_imc_events[] = {
 static struct uncore_event_desc snbep_uncore_qpi_events[] = {
        INTEL_UNCORE_EVENT_DESC(clockticks,       "event=0x14"),
        INTEL_UNCORE_EVENT_DESC(txl_flits_active, "event=0x00,umask=0x06"),
-        INTEL_UNCORE_EVENT_DESC(drs_data,         "event=0x02,umask=0x08"),
+        INTEL_UNCORE_EVENT_DESC(drs_data,         "event=0x102,umask=0x08"),
-        INTEL_UNCORE_EVENT_DESC(ncb_data,         "event=0x03,umask=0x04"),
+        INTEL_UNCORE_EVENT_DESC(ncb_data,         "event=0x103,umask=0x04"),
        { /* end: all zeroes */ },
 };
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index dbded5aedb81..48f8375e4c6b 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -101,7 +101,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin,
                                *begin = new_begin;
                }
        } else {
-                *begin = TASK_UNMAPPED_BASE;
+                *begin = mmap_legacy_base();
                *end = TASK_SIZE;
        }
 }
diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c
index 62c29a5bfe26..f63778cb2363 100644
--- a/arch/x86/mm/mmap.c
+++ b/arch/x86/mm/mmap.c
@@ -98,7 +98,7 @@ static unsigned long mmap_base(void)
 * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64
 * does, but not when emulating X86_32
 */
-static unsigned long mmap_legacy_base(void)
+unsigned long mmap_legacy_base(void)
 {
        if (mmap_is_ia32())
                return TASK_UNMAPPED_BASE;
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 99cb944a002d..4d45dba7fb8f 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -906,16 +906,10 @@ bio_pageinc(struct bio *bio)
        int i;
        bio_for_each_segment(bv, bio, i) {
-                page = bv->bv_page;
                /* Non-zero page count for non-head members of
-                 * compound pages is no longer allowed by the kernel,
+                 * compound pages is no longer allowed by the kernel.
-                 * but this has never been seen here.
                 */
-                if (unlikely(PageCompound(page)))
+                page = compound_trans_head(bv->bv_page);
-                        if (compound_trans_head(page) != page) {
-                                pr_crit("page tail used for block I/O\n");
-                                BUG();
-                        }
                atomic_inc(&page->_count);
        }
 }
@@ -924,10 +918,13 @@ static void
 bio_pagedec(struct bio *bio)
 {
        struct bio_vec *bv;
+        struct page *page;
        int i;
-        bio_for_each_segment(bv, bio, i)
+        bio_for_each_segment(bv, bio, i) {
-                atomic_dec(&bv->bv_page->_count);
+                page = compound_trans_head(bv->bv_page);
+                atomic_dec(&page->_count);
+        }
 }
 static void
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 1bdb882c845b..4e5739773c33 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -581,11 +581,15 @@ struct samsung_div_clock exynos4x12_div_clks[] __initdata = {
        DIV(none, "div_spi1_isp", "mout_spi1_isp", E4X12_DIV_ISP, 16, 4),
        DIV(none, "div_spi1_isp_pre", "div_spi1_isp", E4X12_DIV_ISP, 20, 8),
        DIV(none, "div_uart_isp", "mout_uart_isp", E4X12_DIV_ISP, 28, 4),
-        DIV(div_isp0, "div_isp0", "aclk200", E4X12_DIV_ISP0, 0, 3),
+        DIV_F(div_isp0, "div_isp0", "aclk200", E4X12_DIV_ISP0, 0, 3,
-        DIV(div_isp1, "div_isp1", "aclk200", E4X12_DIV_ISP0, 4, 3),
+                                                CLK_GET_RATE_NOCACHE, 0),
+        DIV_F(div_isp1, "div_isp1", "aclk200", E4X12_DIV_ISP0, 4, 3,
+                                                CLK_GET_RATE_NOCACHE, 0),
        DIV(none, "div_mpwm", "div_isp1", E4X12_DIV_ISP1, 0, 3),
-        DIV(div_mcuisp0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1, 4, 3),
+        DIV_F(div_mcuisp0, "div_mcuisp0", "aclk400_mcuisp", E4X12_DIV_ISP1,
-        DIV(div_mcuisp1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1, 8, 3),
+                                                4, 3, CLK_GET_RATE_NOCACHE, 0),
+        DIV_F(div_mcuisp1, "div_mcuisp1", "div_mcuisp0", E4X12_DIV_ISP1,
+                                                8, 3, CLK_GET_RATE_NOCACHE, 0),
        DIV(sclk_fimg2d, "sclk_fimg2d", "mout_g2d", DIV_DMC1, 0, 4),
 };
@@ -863,57 +867,57 @@ struct samsung_gate_clock exynos4x12_gate_clks[] __initdata = {
        GATE_DA(i2s0, "samsung-i2s.0", "i2s0", "aclk100",
                        E4X12_GATE_IP_MAUDIO, 3, 0, 0, "iis"),
        GATE(fimc_isp, "isp", "aclk200", E4X12_GATE_ISP0, 0,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(fimc_drc, "drc", "aclk200", E4X12_GATE_ISP0, 1,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(fimc_fd, "fd", "aclk200", E4X12_GATE_ISP0, 2,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(fimc_lite0, "lite0", "aclk200", E4X12_GATE_ISP0, 3,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(fimc_lite1, "lite1", "aclk200", E4X12_GATE_ISP0, 4,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(mcuisp, "mcuisp", "aclk200", E4X12_GATE_ISP0, 5,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(gicisp, "gicisp", "aclk200", E4X12_GATE_ISP0, 7,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(smmu_isp, "smmu_isp", "aclk200", E4X12_GATE_ISP0, 8,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(smmu_drc, "smmu_drc", "aclk200", E4X12_GATE_ISP0, 9,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(smmu_fd, "smmu_fd", "aclk200", E4X12_GATE_ISP0, 10,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(smmu_lite0, "smmu_lite0", "aclk200", E4X12_GATE_ISP0, 11,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(smmu_lite1, "smmu_lite1", "aclk200", E4X12_GATE_ISP0, 12,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(ppmuispmx, "ppmuispmx", "aclk200", E4X12_GATE_ISP0, 20,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(ppmuispx, "ppmuispx", "aclk200", E4X12_GATE_ISP0, 21,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(mcuctl_isp, "mcuctl_isp", "aclk200", E4X12_GATE_ISP0, 23,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(mpwm_isp, "mpwm_isp", "aclk200", E4X12_GATE_ISP0, 24,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(i2c0_isp, "i2c0_isp", "aclk200", E4X12_GATE_ISP0, 25,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(i2c1_isp, "i2c1_isp", "aclk200", E4X12_GATE_ISP0, 26,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(mtcadc_isp, "mtcadc_isp", "aclk200", E4X12_GATE_ISP0, 27,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(pwm_isp, "pwm_isp", "aclk200", E4X12_GATE_ISP0, 28,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(wdt_isp, "wdt_isp", "aclk200", E4X12_GATE_ISP0, 30,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(uart_isp, "uart_isp", "aclk200", E4X12_GATE_ISP0, 31,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(asyncaxim, "asyncaxim", "aclk200", E4X12_GATE_ISP1, 0,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(smmu_ispcx, "smmu_ispcx", "aclk200", E4X12_GATE_ISP1, 4,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(spi0_isp, "spi0_isp", "aclk200", E4X12_GATE_ISP1, 12,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(spi1_isp, "spi1_isp", "aclk200", E4X12_GATE_ISP1, 13,
-                        CLK_IGNORE_UNUSED, 0),
+                        CLK_IGNORE_UNUSED | CLK_GET_RATE_NOCACHE, 0),
        GATE(g2d, "g2d", "aclk200", GATE_IP_DMC, 23, 0, 0),
 };
diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
index 5c205b60a82a..089d3e30e221 100644
--- a/drivers/clk/zynq/clkc.c
+++ b/drivers/clk/zynq/clkc.c
@@ -71,6 +71,7 @@ static DEFINE_SPINLOCK(armpll_lock);
 static DEFINE_SPINLOCK(ddrpll_lock);
 static DEFINE_SPINLOCK(iopll_lock);
 static DEFINE_SPINLOCK(armclk_lock);
+static DEFINE_SPINLOCK(swdtclk_lock);
 static DEFINE_SPINLOCK(ddrclk_lock);
 static DEFINE_SPINLOCK(dciclk_lock);
 static DEFINE_SPINLOCK(gem0clk_lock);
@@ -293,7 +294,7 @@ static void __init zynq_clk_setup(struct device_node *np)
        }
        clks[swdt] = clk_register_mux(NULL, clk_output_name[swdt],
                        swdt_ext_clk_mux_parents, 2, CLK_SET_RATE_PARENT,
-                        SLCR_SWDT_CLK_SEL, 0, 1, 0, &gem0clk_lock);
+                        SLCR_SWDT_CLK_SEL, 0, 1, 0, &swdtclk_lock);
        /* DDR clocks */
        clk = clk_register_divider(NULL, "ddr2x_div", "ddrpll", 0,
@@ -364,8 +365,9 @@ static void __init zynq_clk_setup(struct device_node *np)
                        CLK_SET_RATE_PARENT, SLCR_GEM0_CLK_CTRL, 20, 6,
                        CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
                        &gem0clk_lock);
-        clk = clk_register_mux(NULL, "gem0_emio_mux", gem0_mux_parents, 2, 0,
+        clk = clk_register_mux(NULL, "gem0_emio_mux", gem0_mux_parents, 2,
-                        SLCR_GEM0_CLK_CTRL, 6, 1, 0, &gem0clk_lock);
+                        CLK_SET_RATE_PARENT, SLCR_GEM0_CLK_CTRL, 6, 1, 0,
+                        &gem0clk_lock);
        clks[gem0] = clk_register_gate(NULL, clk_output_name[gem0],
                        "gem0_emio_mux", CLK_SET_RATE_PARENT,
                        SLCR_GEM0_CLK_CTRL, 0, 0, &gem0clk_lock);
@@ -386,8 +388,9 @@ static void __init zynq_clk_setup(struct device_node *np)
                        CLK_SET_RATE_PARENT, SLCR_GEM1_CLK_CTRL, 20, 6,
                        CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO,
                        &gem1clk_lock);
-        clk = clk_register_mux(NULL, "gem1_emio_mux", gem1_mux_parents, 2, 0,
+        clk = clk_register_mux(NULL, "gem1_emio_mux", gem1_mux_parents, 2,
-                        SLCR_GEM1_CLK_CTRL, 6, 1, 0, &gem1clk_lock);
+                        CLK_SET_RATE_PARENT, SLCR_GEM1_CLK_CTRL, 6, 1, 0,
+                        &gem1clk_lock);
        clks[gem1] = clk_register_gate(NULL, clk_output_name[gem1],
                        "gem1_emio_mux", CLK_SET_RATE_PARENT,
                        SLCR_GEM1_CLK_CTRL, 0, 0, &gem1clk_lock);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 07f257d44a1e..e48cb339c0c6 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3714,11 +3714,17 @@ static int bond_neigh_init(struct neighbour *n)
 * The bonding ndo_neigh_setup is called at init time beofre any
 * slave exists. So we must declare proxy setup function which will
 * be used at run time to resolve the actual slave neigh param setup.
+ *
+ * It's also called by master devices (such as vlans) to setup their
+ * underlying devices. In that case - do nothing, we're already set up from
+ * our init.
 */
 static int bond_neigh_setup(struct net_device *dev,
                            struct neigh_parms *parms)
 {
-        parms->neigh_setup   = bond_neigh_init;
+        /* modify only our neigh_parms */
+        if (parms->dev == dev)
+                parms->neigh_setup = bond_neigh_init;
        return 0;
 }
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c
index 25723d8ee201..925ab8ec9329 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb.c
@@ -649,7 +649,7 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len)
                if ((mc->ptr + rec_len) > mc->end)
                        goto decode_failed;
-                memcpy(cf->data, mc->ptr, rec_len);
+                memcpy(cf->data, mc->ptr, cf->can_dlc);
                mc->ptr += rec_len;
        }
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
index f1b121ee5525..55d79cb53a79 100644
--- a/drivers/net/ethernet/arc/emac_main.c
+++ b/drivers/net/ethernet/arc/emac_main.c
@@ -199,7 +199,7 @@ static int arc_emac_rx(struct net_device *ndev, int budget)
        struct arc_emac_priv *priv = netdev_priv(ndev);
        unsigned int work_done;
-        for (work_done = 0; work_done <= budget; work_done++) {
+        for (work_done = 0; work_done < budget; work_done++) {
                unsigned int *last_rx_bd = &priv->last_rx_bd;
                struct net_device_stats *stats = &priv->stats;
                struct buffer_state *rx_buff = &priv->rx_buff[*last_rx_bd];
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index d80e34b8285f..ce9b387b5a19 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1502,6 +1502,7 @@ struct bnx2x {
 #define BC_SUPPORTS_DCBX_MSG_NON_PMF    (1 << 21)
 #define IS_VF_FLAG                      (1 << 22)
 #define INTERRUPTS_ENABLED_FLAG         (1 << 23)
+#define BC_SUPPORTS_RMMOD_CMD           (1 << 24)
 #define BP_NOMCP(bp)                    ((bp)->flags & NO_MCP_FLAG)
@@ -1830,6 +1831,8 @@ struct bnx2x {
        int fp_array_size;
        u32 dump_preset_idx;
+        bool                                    stats_started;
+        struct semaphore                        stats_sema;
 };
 /* Tx queues may be less or equal to Rx queues */
@@ -2451,4 +2454,6 @@ enum bnx2x_pci_bus_speed {
        BNX2X_PCI_LINK_SPEED_5000 = 5000,
        BNX2X_PCI_LINK_SPEED_8000 = 8000
 };
+void bnx2x_set_local_cmng(struct bnx2x *bp);
 #endif /* bnx2x.h */
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
index 0c94df47e0e8..f9122f2d6b65 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
@@ -753,6 +753,10 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
                bnx2x_pfc_set_pfc(bp);
                bnx2x_dcbx_update_ets_params(bp);
+                /* ets may affect cmng configuration: reinit it in hw */
+                bnx2x_set_local_cmng(bp);
                bnx2x_dcbx_resume_hw_tx(bp);
                return;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
index 5018e52ae2ad..32767f6aa33f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_hsi.h
@@ -1300,6 +1300,9 @@ struct drv_func_mb {
        #define DRV_MSG_CODE_EEE_RESULTS_ACK            0xda000000
+        #define DRV_MSG_CODE_RMMOD                      0xdb000000
+        #define REQ_BC_VER_4_RMMOD_CMD                  0x0007080f
        #define DRV_MSG_CODE_SET_MF_BW                  0xe0000000
        #define REQ_BC_VER_4_SET_MF_BW                  0x00060202
        #define DRV_MSG_CODE_SET_MF_BW_ACK              0xe1000000
@@ -1372,6 +1375,8 @@ struct drv_func_mb {
        #define FW_MSG_CODE_EEE_RESULS_ACK              0xda100000
+        #define FW_MSG_CODE_RMMOD_ACK                   0xdb100000
        #define FW_MSG_CODE_SET_MF_BW_SENT              0xe0000000
        #define FW_MSG_CODE_SET_MF_BW_DONE              0xe1000000
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index e06186c305d8..955d6cfd9cb7 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -2476,7 +2476,7 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
        input.port_rate = bp->link_vars.line_speed;
-        if (cmng_type == CMNG_FNS_MINMAX) {
+        if (cmng_type == CMNG_FNS_MINMAX && input.port_rate) {
                int vn;
                /* read mf conf from shmem */
@@ -2533,6 +2533,21 @@ static void storm_memset_cmng(struct bnx2x *bp,
        }
 }
+/* init cmng mode in HW according to local configuration */
+void bnx2x_set_local_cmng(struct bnx2x *bp)
+{
+        int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
+        if (cmng_fns != CMNG_FNS_NONE) {
+                bnx2x_cmng_fns_init(bp, false, cmng_fns);
+                storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
+        } else {
+                /* rate shaping and fairness are disabled */
+                DP(NETIF_MSG_IFUP,
+                   "single function mode without fairness\n");
+        }
+}
 /* This function is called upon link interrupt */
 static void bnx2x_link_attn(struct bnx2x *bp)
 {
@@ -2568,17 +2583,8 @@ static void bnx2x_link_attn(struct bnx2x *bp)
                        bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
        }
-        if (bp->link_vars.link_up && bp->link_vars.line_speed) {
+        if (bp->link_vars.link_up && bp->link_vars.line_speed)
-                int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
+                bnx2x_set_local_cmng(bp);
-                if (cmng_fns != CMNG_FNS_NONE) {
-                        bnx2x_cmng_fns_init(bp, false, cmng_fns);
-                        storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
-                } else
-                        /* rate shaping and fairness are disabled */
-                        DP(NETIF_MSG_IFUP,
-                           "single function mode without fairness\n");
-        }
        __bnx2x_link_report(bp);
@@ -10362,6 +10368,10 @@ static void bnx2x_get_common_hwinfo(struct bnx2x *bp)
        bp->flags |= (val >= REQ_BC_VER_4_DCBX_ADMIN_MSG_NON_PMF) ?
                        BC_SUPPORTS_DCBX_MSG_NON_PMF : 0;
+        bp->flags |= (val >= REQ_BC_VER_4_RMMOD_CMD) ?
+                        BC_SUPPORTS_RMMOD_CMD : 0;
        boot_mode = SHMEM_RD(bp,
                        dev_info.port_feature_config[BP_PORT(bp)].mba_config) &
                        PORT_FEATURE_MBA_BOOT_AGENT_TYPE_MASK;
@@ -11524,6 +11534,7 @@ static int bnx2x_init_bp(struct bnx2x *bp)
        mutex_init(&bp->port.phy_mutex);
        mutex_init(&bp->fw_mb_mutex);
        spin_lock_init(&bp->stats_lock);
+        sema_init(&bp->stats_sema, 1);
        INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
        INIT_DELAYED_WORK(&bp->sp_rtnl_task, bnx2x_sp_rtnl_task);
@@ -12817,13 +12828,17 @@ static void __bnx2x_remove(struct pci_dev *pdev,
        bnx2x_dcbnl_update_applist(bp, true);
 #endif
+        if (IS_PF(bp) &&
+            !BP_NOMCP(bp) &&
+            (bp->flags & BC_SUPPORTS_RMMOD_CMD))
+                bnx2x_fw_command(bp, DRV_MSG_CODE_RMMOD, 0);
        /* Close the interface - either directly or implicitly */
        if (remove_netdev) {
                unregister_netdev(dev);
        } else {
                rtnl_lock();
-                if (netif_running(dev))
+                dev_close(dev);
-                        bnx2x_close(dev);
                rtnl_unlock();
        }
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 95861efb5051..44104fb27947 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -3463,7 +3463,7 @@ int bnx2x_vf_pci_alloc(struct bnx2x *bp)
 alloc_mem_err:
        BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
                       sizeof(struct bnx2x_vf_mbx_msg));
-        BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping,
+        BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->pf2vf_bulletin_mapping,
                       sizeof(union pf_vf_bulletin));
        return -ENOMEM;
 }
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
index 98366abd02bd..d63d1327b051 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c
@@ -221,7 +221,8 @@ static int bnx2x_stats_comp(struct bnx2x *bp)
 * Statistics service functions
 */
-static void bnx2x_stats_pmf_update(struct bnx2x *bp)
+/* should be called under stats_sema */
+static void __bnx2x_stats_pmf_update(struct bnx2x *bp)
 {
        struct dmae_command *dmae;
        u32 opcode;
@@ -518,7 +519,8 @@ static void bnx2x_func_stats_init(struct bnx2x *bp)
        *stats_comp = 0;
 }
-static void bnx2x_stats_start(struct bnx2x *bp)
+/* should be called under stats_sema */
+static void __bnx2x_stats_start(struct bnx2x *bp)
 {
        /* vfs travel through here as part of the statistics FSM, but no action
         * is required
@@ -534,13 +536,34 @@ static void bnx2x_stats_start(struct bnx2x *bp)
        bnx2x_hw_stats_post(bp);
        bnx2x_storm_stats_post(bp);
+        bp->stats_started = true;
+}
+static void bnx2x_stats_start(struct bnx2x *bp)
+{
+        if (down_timeout(&bp->stats_sema, HZ/10))
+                BNX2X_ERR("Unable to acquire stats lock\n");
+        __bnx2x_stats_start(bp);
+        up(&bp->stats_sema);
 }
 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
 {
+        if (down_timeout(&bp->stats_sema, HZ/10))
+                BNX2X_ERR("Unable to acquire stats lock\n");
        bnx2x_stats_comp(bp);
-        bnx2x_stats_pmf_update(bp);
+        __bnx2x_stats_pmf_update(bp);
-        bnx2x_stats_start(bp);
+        __bnx2x_stats_start(bp);
+        up(&bp->stats_sema);
+}
+static void bnx2x_stats_pmf_update(struct bnx2x *bp)
+{
+        if (down_timeout(&bp->stats_sema, HZ/10))
+                BNX2X_ERR("Unable to acquire stats lock\n");
+        __bnx2x_stats_pmf_update(bp);
+        up(&bp->stats_sema);
 }
 static void bnx2x_stats_restart(struct bnx2x *bp)
@@ -550,8 +573,11 @@ static void bnx2x_stats_restart(struct bnx2x *bp)
         */
        if (IS_VF(bp))
                return;
+        if (down_timeout(&bp->stats_sema, HZ/10))
+                BNX2X_ERR("Unable to acquire stats lock\n");
        bnx2x_stats_comp(bp);
-        bnx2x_stats_start(bp);
+        __bnx2x_stats_start(bp);
+        up(&bp->stats_sema);
 }
 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
@@ -888,9 +914,7 @@ static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp)
        /* Make sure we use the value of the counter
         * used for sending the last stats ramrod.
         */
-        spin_lock_bh(&bp->stats_lock);
        cur_stats_counter = bp->stats_counter - 1;
-        spin_unlock_bh(&bp->stats_lock);
        /* are storm stats valid? */
        if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
@@ -1227,12 +1251,18 @@ static void bnx2x_stats_update(struct bnx2x *bp)
 {
        u32 *stats_comp = bnx2x_sp(bp, stats_comp);
-        if (bnx2x_edebug_stats_stopped(bp))
+        /* we run update from timer context, so give up
+         * if somebody is in the middle of transition
+         */
+        if (down_trylock(&bp->stats_sema))
                return;
+        if (bnx2x_edebug_stats_stopped(bp) || !bp->stats_started)
+                goto out;
        if (IS_PF(bp)) {
                if (*stats_comp != DMAE_COMP_VAL)
-                        return;
+                        goto out;
                if (bp->port.pmf)
                        bnx2x_hw_stats_update(bp);
@@ -1242,7 +1272,7 @@ static void bnx2x_stats_update(struct bnx2x *bp)
                                BNX2X_ERR("storm stats were not updated for 3 times\n");
                                bnx2x_panic();
                        }
-                        return;
+                        goto out;
                }
        } else {
                /* vf doesn't collect HW statistics, and doesn't get completions
@@ -1256,7 +1286,7 @@ static void bnx2x_stats_update(struct bnx2x *bp)
        /* vf is done */
        if (IS_VF(bp))
-                return;
+                goto out;
        if (netif_msg_timer(bp)) {
                struct bnx2x_eth_stats *estats = &bp->eth_stats;
@@ -1267,6 +1297,9 @@ static void bnx2x_stats_update(struct bnx2x *bp)
        bnx2x_hw_stats_post(bp);
        bnx2x_storm_stats_post(bp);
+out:
+        up(&bp->stats_sema);
 }
 static void bnx2x_port_stats_stop(struct bnx2x *bp)
@@ -1332,6 +1365,11 @@ static void bnx2x_stats_stop(struct bnx2x *bp)
 {
        int update = 0;
+        if (down_timeout(&bp->stats_sema, HZ/10))
+                BNX2X_ERR("Unable to acquire stats lock\n");
+        bp->stats_started = false;
        bnx2x_stats_comp(bp);
        if (bp->port.pmf)
@@ -1348,6 +1386,8 @@ static void bnx2x_stats_stop(struct bnx2x *bp)
                bnx2x_hw_stats_post(bp);
                bnx2x_stats_comp(bp);
        }
+        up(&bp->stats_sema);
 }
 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
@@ -1376,15 +1416,17 @@ static const struct {
 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
 {
        enum bnx2x_stats_state state;
+        void (*action)(struct bnx2x *bp);
        if (unlikely(bp->panic))
                return;
        spin_lock_bh(&bp->stats_lock);
        state = bp->stats_state;
        bp->stats_state = bnx2x_stats_stm[state][event].next_state;
+        action = bnx2x_stats_stm[state][event].action;
        spin_unlock_bh(&bp->stats_lock);
-        bnx2x_stats_stm[state][event].action(bp);
+        action(bp);
        if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
                DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
index ddebc7a5dda0..0da2214ef1b9 100644
--- a/drivers/net/ethernet/broadcom/tg3.c
+++ b/drivers/net/ethernet/broadcom/tg3.c
@@ -17796,8 +17796,10 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev,
 done:
        if (state == pci_channel_io_perm_failure) {
-                tg3_napi_enable(tp);
+                if (netdev) {
-                dev_close(netdev);
+                        tg3_napi_enable(tp);
+                        dev_close(netdev);
+                }
                err = PCI_ERS_RESULT_DISCONNECT;
        } else {
                pci_disable_device(pdev);
@@ -17827,7 +17829,8 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev)
        rtnl_lock();
        if (pci_enable_device(pdev)) {
-                netdev_err(netdev, "Cannot re-enable PCI device after reset.\n");
+                dev_err(&pdev->dev,
+                        "Cannot re-enable PCI device after reset.\n");
                goto done;
        }
@@ -17835,7 +17838,7 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev)
        pci_restore_state(pdev);
        pci_save_state(pdev);
-        if (!netif_running(netdev)) {
+        if (!netdev || !netif_running(netdev)) {
                rc = PCI_ERS_RESULT_RECOVERED;
                goto done;
        }
@@ -17847,7 +17850,7 @@ static pci_ers_result_t tg3_io_slot_reset(struct pci_dev *pdev)
        rc = PCI_ERS_RESULT_RECOVERED;
 done:
-        if (rc != PCI_ERS_RESULT_RECOVERED && netif_running(netdev)) {
+        if (rc != PCI_ERS_RESULT_RECOVERED && netdev && netif_running(netdev)) {
                tg3_napi_enable(tp);
                dev_close(netdev);
        }
diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c
index 687ec4a8bb48..9c89dc8fe105 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c
@@ -455,11 +455,6 @@ static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q,
                q->pg_chunk.offset = 0;
                mapping = pci_map_page(adapter->pdev, q->pg_chunk.page,
                                       0, q->alloc_size, PCI_DMA_FROMDEVICE);
-                if (unlikely(pci_dma_mapping_error(adapter->pdev, mapping))) {
-                        __free_pages(q->pg_chunk.page, order);
-                        q->pg_chunk.page = NULL;
-                        return -EIO;
-                }
                q->pg_chunk.mapping = mapping;
        }
        sd->pg_chunk = q->pg_chunk;
@@ -954,75 +949,40 @@ static inline unsigned int calc_tx_descs(const struct sk_buff *skb)
        return flits_to_desc(flits);
 }
-/*      map_skb - map a packet main body and its page fragments
- *      @pdev: the PCI device
- *      @skb: the packet
- *      @addr: placeholder to save the mapped addresses
- *
- *      map the main body of an sk_buff and its page fragments, if any.
- */
-static int map_skb(struct pci_dev *pdev, const struct sk_buff *skb,
-                   dma_addr_t *addr)
-{
-        const skb_frag_t *fp, *end;
-        const struct skb_shared_info *si;
-        *addr = pci_map_single(pdev, skb->data, skb_headlen(skb),
-                               PCI_DMA_TODEVICE);
-        if (pci_dma_mapping_error(pdev, *addr))
-                goto out_err;
-        si = skb_shinfo(skb);
-        end = &si->frags[si->nr_frags];
-        for (fp = si->frags; fp < end; fp++) {
-                *++addr = skb_frag_dma_map(&pdev->dev, fp, 0, skb_frag_size(fp),
-                                           DMA_TO_DEVICE);
-                if (pci_dma_mapping_error(pdev, *addr))
-                        goto unwind;
-        }
-        return 0;
-unwind:
-        while (fp-- > si->frags)
-                dma_unmap_page(&pdev->dev, *--addr, skb_frag_size(fp),
-                               DMA_TO_DEVICE);
-        pci_unmap_single(pdev, addr[-1], skb_headlen(skb), PCI_DMA_TODEVICE);
-out_err:
-        return -ENOMEM;
-}
 /**
- *      write_sgl - populate a scatter/gather list for a packet
+ *      make_sgl - populate a scatter/gather list for a packet
 *      @skb: the packet
 *      @sgp: the SGL to populate
 *      @start: start address of skb main body data to include in the SGL
 *      @len: length of skb main body data to include in the SGL
- *      @addr: the list of the mapped addresses
+ *      @pdev: the PCI device
 *
- *      Copies the scatter/gather list for the buffers that make up a packet
+ *      Generates a scatter/gather list for the buffers that make up a packet
 *      and returns the SGL size in 8-byte words.  The caller must size the SGL
 *      appropriately.
 */
-static inline unsigned int write_sgl(const struct sk_buff *skb,
+static inline unsigned int make_sgl(const struct sk_buff *skb,
                                    struct sg_ent *sgp, unsigned char *start,
-                                    unsigned int len, const dma_addr_t *addr)
+                                    unsigned int len, struct pci_dev *pdev)
 {
-        unsigned int i, j = 0, k = 0, nfrags;
+        dma_addr_t mapping;
+        unsigned int i, j = 0, nfrags;
        if (len) {
+                mapping = pci_map_single(pdev, start, len, PCI_DMA_TODEVICE);
                sgp->len[0] = cpu_to_be32(len);
-                sgp->addr[j++] = cpu_to_be64(addr[k++]);
+                sgp->addr[0] = cpu_to_be64(mapping);
+                j = 1;
        }
        nfrags = skb_shinfo(skb)->nr_frags;
        for (i = 0; i < nfrags; i++) {
                const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+                mapping = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
+                                           DMA_TO_DEVICE);
                sgp->len[j] = cpu_to_be32(skb_frag_size(frag));
-                sgp->addr[j] = cpu_to_be64(addr[k++]);
+                sgp->addr[j] = cpu_to_be64(mapping);
                j ^= 1;
                if (j == 0)
                        ++sgp;
@@ -1178,7 +1138,7 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb,
                            const struct port_info *pi,
                            unsigned int pidx, unsigned int gen,
                            struct sge_txq *q, unsigned int ndesc,
-                            unsigned int compl, const dma_addr_t *addr)
+                            unsigned int compl)
 {
        unsigned int flits, sgl_flits, cntrl, tso_info;
        struct sg_ent *sgp, sgl[MAX_SKB_FRAGS / 2 + 1];
@@ -1236,7 +1196,7 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb,
        }
        sgp = ndesc == 1 ? (struct sg_ent *)&d->flit[flits] : sgl;
-        sgl_flits = write_sgl(skb, sgp, skb->data, skb_headlen(skb), addr);
+        sgl_flits = make_sgl(skb, sgp, skb->data, skb_headlen(skb), adap->pdev);
        write_wr_hdr_sgl(ndesc, skb, d, pidx, q, sgl, flits, sgl_flits, gen,
                         htonl(V_WR_OP(FW_WROPCODE_TUNNEL_TX_PKT) | compl),
@@ -1267,7 +1227,6 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev)
        struct netdev_queue *txq;
        struct sge_qset *qs;
        struct sge_txq *q;
-        dma_addr_t addr[MAX_SKB_FRAGS + 1];
        /*
         * The chip min packet length is 9 octets but play safe and reject
@@ -1296,11 +1255,6 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev)
                return NETDEV_TX_BUSY;
        }
-        if (unlikely(map_skb(adap->pdev, skb, addr) < 0)) {
-                dev_kfree_skb(skb);
-                return NETDEV_TX_OK;
-        }
        q->in_use += ndesc;
        if (unlikely(credits - ndesc < q->stop_thres)) {
                t3_stop_tx_queue(txq, qs, q);
@@ -1358,7 +1312,7 @@ netdev_tx_t t3_eth_xmit(struct sk_buff *skb, struct net_device *dev)
        if (likely(!skb_shared(skb)))
                skb_orphan(skb);
-        write_tx_pkt_wr(adap, skb, pi, pidx, gen, q, ndesc, compl, addr);
+        write_tx_pkt_wr(adap, skb, pi, pidx, gen, q, ndesc, compl);
        check_ring_tx_db(adap, q);
        return NETDEV_TX_OK;
 }
@@ -1623,8 +1577,7 @@ static void setup_deferred_unmapping(struct sk_buff *skb, struct pci_dev *pdev,
 */
 static void write_ofld_wr(struct adapter *adap, struct sk_buff *skb,
                          struct sge_txq *q, unsigned int pidx,
-                          unsigned int gen, unsigned int ndesc,
+                          unsigned int gen, unsigned int ndesc)
-                          const dma_addr_t *addr)
 {
        unsigned int sgl_flits, flits;
        struct work_request_hdr *from;
@@ -1645,9 +1598,9 @@ static void write_ofld_wr(struct adapter *adap, struct sk_buff *skb,
        flits = skb_transport_offset(skb) / 8;
        sgp = ndesc == 1 ? (struct sg_ent *)&d->flit[flits] : sgl;
-        sgl_flits = write_sgl(skb, sgp, skb_transport_header(skb),
+        sgl_flits = make_sgl(skb, sgp, skb_transport_header(skb),
-                             skb_tail_pointer(skb) -
+                             skb->tail - skb->transport_header,
-                             skb_transport_header(skb), addr);
+                             adap->pdev);
        if (need_skb_unmap()) {
                setup_deferred_unmapping(skb, adap->pdev, sgp, sgl_flits);
                skb->destructor = deferred_unmap_destructor;
@@ -1705,11 +1658,6 @@ again:	reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK);
                goto again;
        }
-        if (map_skb(adap->pdev, skb, (dma_addr_t *)skb->head)) {
-                spin_unlock(&q->lock);
-                return NET_XMIT_SUCCESS;
-        }
        gen = q->gen;
        q->in_use += ndesc;
        pidx = q->pidx;
@@ -1720,7 +1668,7 @@ again:	reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK);
        }
        spin_unlock(&q->lock);
-        write_ofld_wr(adap, skb, q, pidx, gen, ndesc, (dma_addr_t *)skb->head);
+        write_ofld_wr(adap, skb, q, pidx, gen, ndesc);
        check_ring_tx_db(adap, q);
        return NET_XMIT_SUCCESS;
 }
@@ -1738,7 +1686,6 @@ static void restart_offloadq(unsigned long data)
        struct sge_txq *q = &qs->txq[TXQ_OFLD];
        const struct port_info *pi = netdev_priv(qs->netdev);
        struct adapter *adap = pi->adapter;
-        unsigned int written = 0;
        spin_lock(&q->lock);
 again:  reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK);
@@ -1758,14 +1705,10 @@ again:	reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK);
                        break;
                }
-                if (map_skb(adap->pdev, skb, (dma_addr_t *)skb->head))
-                        break;
                gen = q->gen;
                q->in_use += ndesc;
                pidx = q->pidx;
                q->pidx += ndesc;
-                written += ndesc;
                if (q->pidx >= q->size) {
                        q->pidx -= q->size;
                        q->gen ^= 1;
@@ -1773,8 +1716,7 @@ again:	reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK);
                __skb_unlink(skb, &q->sendq);
                spin_unlock(&q->lock);
-                write_ofld_wr(adap, skb, q, pidx, gen, ndesc,
+                write_ofld_wr(adap, skb, q, pidx, gen, ndesc);
-                             (dma_addr_t *)skb->head);
                spin_lock(&q->lock);
        }
        spin_unlock(&q->lock);
@@ -1784,9 +1726,8 @@ again:	reclaim_completed_tx(adap, q, TX_RECLAIM_CHUNK);
        set_bit(TXQ_LAST_PKT_DB, &q->flags);
 #endif
        wmb();
-        if (likely(written))
+        t3_write_reg(adap, A_SG_KDOORBELL,
-                t3_write_reg(adap, A_SG_KDOORBELL,
+                     F_SELEGRCNTX | V_EGRCNTX(q->cntxt_id));
-                             F_SELEGRCNTX | V_EGRCNTX(q->cntxt_id));
 }
 /**
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 6e6e0a117ee2..8ec5d74ad44d 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -3048,6 +3048,9 @@ int be_cmd_get_func_config(struct be_adapter *adapter)
                adapter->max_event_queues = le16_to_cpu(desc->eq_count);
                adapter->if_cap_flags = le32_to_cpu(desc->cap_flags);
+                /* Clear flags that driver is not interested in */
+                adapter->if_cap_flags &=  BE_IF_CAP_FLAGS_WANT;
        }
 err:
        mutex_unlock(&adapter->mbox_lock);
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index 5228d88c5a02..1b3b9e886412 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -563,6 +563,12 @@ enum be_if_flags {
        BE_IF_FLAGS_MULTICAST = 0x1000
 };
+#define BE_IF_CAP_FLAGS_WANT (BE_IF_FLAGS_RSS | BE_IF_FLAGS_PROMISCUOUS |\
+                         BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_VLAN_PROMISCUOUS |\
+                         BE_IF_FLAGS_VLAN | BE_IF_FLAGS_MCAST_PROMISCUOUS |\
+                         BE_IF_FLAGS_PASS_L3L4_ERRORS | BE_IF_FLAGS_MULTICAST |\
+                         BE_IF_FLAGS_UNTAGGED)
 /* An RX interface is an object with one or more MAC addresses and
 * filtering capabilities. */
 struct be_cmd_req_if_create {
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index c896079728e1..ef94a591f9e5 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -931,17 +931,20 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u32 base)
 }
 /* Allocate and setup a new buffer for receiving */
-static void skge_rx_setup(struct skge_port *skge, struct skge_element *e,
+static int skge_rx_setup(struct skge_port *skge, struct skge_element *e,
-                          struct sk_buff *skb, unsigned int bufsize)
+                         struct sk_buff *skb, unsigned int bufsize)
 {
        struct skge_rx_desc *rd = e->desc;
-        u64 map;
+        dma_addr_t map;
        map = pci_map_single(skge->hw->pdev, skb->data, bufsize,
                             PCI_DMA_FROMDEVICE);
-        rd->dma_lo = map;
+        if (pci_dma_mapping_error(skge->hw->pdev, map))
-        rd->dma_hi = map >> 32;
+                return -1;
+        rd->dma_lo = lower_32_bits(map);
+        rd->dma_hi = upper_32_bits(map);
        e->skb = skb;
        rd->csum1_start = ETH_HLEN;
        rd->csum2_start = ETH_HLEN;
@@ -953,6 +956,7 @@ static void skge_rx_setup(struct skge_port *skge, struct skge_element *e,
        rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | bufsize;
        dma_unmap_addr_set(e, mapaddr, map);
        dma_unmap_len_set(e, maplen, bufsize);
+        return 0;
 }
 /* Resume receiving using existing skb,
@@ -1014,7 +1018,10 @@ static int skge_rx_fill(struct net_device *dev)
                        return -ENOMEM;
                skb_reserve(skb, NET_IP_ALIGN);
-                skge_rx_setup(skge, e, skb, skge->rx_buf_size);
+                if (skge_rx_setup(skge, e, skb, skge->rx_buf_size) < 0) {
+                        dev_kfree_skb(skb);
+                        return -EIO;
+                }
        } while ((e = e->next) != ring->start);
        ring->to_clean = ring->start;
@@ -2544,7 +2551,7 @@ static int skge_up(struct net_device *dev)
        BUG_ON(skge->dma & 7);
-        if ((u64)skge->dma >> 32 != ((u64) skge->dma + skge->mem_size) >> 32) {
+        if (upper_32_bits(skge->dma) != upper_32_bits(skge->dma + skge->mem_size)) {
                dev_err(&hw->pdev->dev, "pci_alloc_consistent region crosses 4G boundary\n");
                err = -EINVAL;
                goto free_pci_mem;
@@ -2729,7 +2736,7 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
        struct skge_tx_desc *td;
        int i;
        u32 control, len;
-        u64 map;
+        dma_addr_t map;
        if (skb_padto(skb, ETH_ZLEN))
                return NETDEV_TX_OK;
@@ -2743,11 +2750,14 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
        e->skb = skb;
        len = skb_headlen(skb);
        map = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE);
+        if (pci_dma_mapping_error(hw->pdev, map))
+                goto mapping_error;
        dma_unmap_addr_set(e, mapaddr, map);
        dma_unmap_len_set(e, maplen, len);
-        td->dma_lo = map;
+        td->dma_lo = lower_32_bits(map);
-        td->dma_hi = map >> 32;
+        td->dma_hi = upper_32_bits(map);
        if (skb->ip_summed == CHECKSUM_PARTIAL) {
                const int offset = skb_checksum_start_offset(skb);
@@ -2778,14 +2788,16 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
                        map = skb_frag_dma_map(&hw->pdev->dev, frag, 0,
                                               skb_frag_size(frag), DMA_TO_DEVICE);
+                        if (dma_mapping_error(&hw->pdev->dev, map))
+                                goto mapping_unwind;
                        e = e->next;
                        e->skb = skb;
                        tf = e->desc;
                        BUG_ON(tf->control & BMU_OWN);
-                        tf->dma_lo = map;
+                        tf->dma_lo = lower_32_bits(map);
-                        tf->dma_hi = (u64) map >> 32;
+                        tf->dma_hi = upper_32_bits(map);
                        dma_unmap_addr_set(e, mapaddr, map);
                        dma_unmap_len_set(e, maplen, skb_frag_size(frag));
@@ -2815,6 +2827,26 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
        }
        return NETDEV_TX_OK;
+mapping_unwind:
+        e = skge->tx_ring.to_use;
+        pci_unmap_single(hw->pdev,
+                         dma_unmap_addr(e, mapaddr),
+                         dma_unmap_len(e, maplen),
+                         PCI_DMA_TODEVICE);
+        while (i-- > 0) {
+                e = e->next;
+                pci_unmap_page(hw->pdev,
+                               dma_unmap_addr(e, mapaddr),
+                               dma_unmap_len(e, maplen),
+                               PCI_DMA_TODEVICE);
+        }
+mapping_error:
+        if (net_ratelimit())
+                dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name);
+        dev_kfree_skb(skb);
+        return NETDEV_TX_OK;
 }
@@ -3045,11 +3077,13 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
                pci_dma_sync_single_for_cpu(skge->hw->pdev,
                                            dma_unmap_addr(e, mapaddr),
-                                            len, PCI_DMA_FROMDEVICE);
+                                            dma_unmap_len(e, maplen),
+                                            PCI_DMA_FROMDEVICE);
                skb_copy_from_linear_data(e->skb, skb->data, len);
                pci_dma_sync_single_for_device(skge->hw->pdev,
                                               dma_unmap_addr(e, mapaddr),
-                                               len, PCI_DMA_FROMDEVICE);
+                                               dma_unmap_len(e, maplen),
+                                               PCI_DMA_FROMDEVICE);
                skge_rx_reuse(e, skge->rx_buf_size);
        } else {
                struct sk_buff *nskb;
@@ -3058,13 +3092,17 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
                if (!nskb)
                        goto resubmit;
+                if (skge_rx_setup(skge, e, nskb, skge->rx_buf_size) < 0) {
+                        dev_kfree_skb(nskb);
+                        goto resubmit;
+                }
                pci_unmap_single(skge->hw->pdev,
                                 dma_unmap_addr(e, mapaddr),
                                 dma_unmap_len(e, maplen),
                                 PCI_DMA_FROMDEVICE);
                skb = e->skb;
                prefetch(skb->data);
-                skge_rx_setup(skge, e, nskb, skge->rx_buf_size);
        }
        skb_put(skb, len);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index c571de85d0f9..5472cbd34028 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -46,7 +46,7 @@
 #include "mlx5_core.h"
 enum {
-        CMD_IF_REV = 4,
+        CMD_IF_REV = 5,
 };
 enum {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index c02cbcfd0fb8..443cc4d7b024 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -268,7 +268,7 @@ static int mlx5_eq_int(struct mlx5_core_dev *dev, struct mlx5_eq *eq)
                case MLX5_EVENT_TYPE_PAGE_REQUEST:
                        {
                                u16 func_id = be16_to_cpu(eqe->data.req_pages.func_id);
-                                s16 npages = be16_to_cpu(eqe->data.req_pages.num_pages);
+                                s32 npages = be32_to_cpu(eqe->data.req_pages.num_pages);
                                mlx5_core_dbg(dev, "page request for func 0x%x, napges %d\n", func_id, npages);
                                mlx5_core_req_pages_handler(dev, func_id, npages);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index 72a5222447f5..f012658b6a92 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -113,7 +113,7 @@ int mlx5_cmd_query_hca_cap(struct mlx5_core_dev *dev,
        caps->log_max_srq = out->hca_cap.log_max_srqs & 0x1f;
        caps->local_ca_ack_delay = out->hca_cap.local_ca_ack_delay & 0x1f;
        caps->log_max_mcg = out->hca_cap.log_max_mcg;
-        caps->max_qp_mcg = be16_to_cpu(out->hca_cap.max_qp_mcg);
+        caps->max_qp_mcg = be32_to_cpu(out->hca_cap.max_qp_mcg) & 0xffffff;
        caps->max_ra_res_qp = 1 << (out->hca_cap.log_max_ra_res_qp & 0x3f);
        caps->max_ra_req_qp = 1 << (out->hca_cap.log_max_ra_req_qp & 0x3f);
        caps->max_srq_wqes = 1 << out->hca_cap.log_max_srq_sz;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c
index 748f10a155c4..3e6670c4a7cd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/health.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c
@@ -55,33 +55,9 @@ enum {
 };
 static DEFINE_SPINLOCK(health_lock);
 static LIST_HEAD(health_list);
 static struct work_struct health_work;
-static health_handler_t reg_handler;
-int mlx5_register_health_report_handler(health_handler_t handler)
-{
-        spin_lock_irq(&health_lock);
-        if (reg_handler) {
-                spin_unlock_irq(&health_lock);
-                return -EEXIST;
-        }
-        reg_handler = handler;
-        spin_unlock_irq(&health_lock);
-        return 0;
-}
-EXPORT_SYMBOL(mlx5_register_health_report_handler);
-void mlx5_unregister_health_report_handler(void)
-{
-        spin_lock_irq(&health_lock);
-        reg_handler = NULL;
-        spin_unlock_irq(&health_lock);
-}
-EXPORT_SYMBOL(mlx5_unregister_health_report_handler);
 static void health_care(struct work_struct *work)
 {
        struct mlx5_core_health *health, *n;
@@ -98,11 +74,8 @@ static void health_care(struct work_struct *work)
                priv = container_of(health, struct mlx5_priv, health);
                dev = container_of(priv, struct mlx5_core_dev, priv);
                mlx5_core_warn(dev, "handling bad device here\n");
+                /* nothing yet */
                spin_lock_irq(&health_lock);
-                if (reg_handler)
-                        reg_handler(dev->pdev, health->health,
-                                    sizeof(health->health));
                list_del_init(&health->list);
                spin_unlock_irq(&health_lock);
        }
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
index 4a3e137931a3..3a2408d44820 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/pagealloc.c
@@ -43,10 +43,16 @@ enum {
        MLX5_PAGES_TAKE         = 2
 };
+enum {
+        MLX5_BOOT_PAGES         = 1,
+        MLX5_INIT_PAGES         = 2,
+        MLX5_POST_INIT_PAGES    = 3
+};
 struct mlx5_pages_req {
        struct mlx5_core_dev *dev;
        u32     func_id;
-        s16     npages;
+        s32     npages;
        struct work_struct work;
 };
@@ -64,27 +70,23 @@ struct mlx5_query_pages_inbox {
 struct mlx5_query_pages_outbox {
        struct mlx5_outbox_hdr  hdr;
-        __be16                  num_boot_pages;
+        __be16                  rsvd;
        __be16                  func_id;
-        __be16                  init_pages;
+        __be32                  num_pages;
-        __be16                  num_pages;
 };
 struct mlx5_manage_pages_inbox {
        struct mlx5_inbox_hdr   hdr;
-        __be16                  rsvd0;
+        __be16                  rsvd;
        __be16                  func_id;
-        __be16                  rsvd1;
+        __be32                  num_entries;
-        __be16                  num_entries;
-        u8                      rsvd2[16];
        __be64                  pas[0];
 };
 struct mlx5_manage_pages_outbox {
        struct mlx5_outbox_hdr  hdr;
-        u8                      rsvd0[2];
+        __be32                  num_entries;
-        __be16                  num_entries;
+        u8                      rsvd[4];
-        u8                      rsvd1[20];
        __be64                  pas[0];
 };
@@ -146,7 +148,7 @@ static struct page *remove_page(struct mlx5_core_dev *dev, u64 addr)
 }
 static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
-                                s16 *pages, s16 *init_pages, u16 *boot_pages)
+                                s32 *npages, int boot)
 {
        struct mlx5_query_pages_inbox   in;
        struct mlx5_query_pages_outbox  out;
@@ -155,6 +157,8 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
        memset(&in, 0, sizeof(in));
        memset(&out, 0, sizeof(out));
        in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_QUERY_PAGES);
+        in.hdr.opmod = boot ? cpu_to_be16(MLX5_BOOT_PAGES) : cpu_to_be16(MLX5_INIT_PAGES);
        err = mlx5_cmd_exec(dev, &in, sizeof(in), &out, sizeof(out));
        if (err)
                return err;
@@ -162,15 +166,7 @@ static int mlx5_cmd_query_pages(struct mlx5_core_dev *dev, u16 *func_id,
        if (out.hdr.status)
                return mlx5_cmd_status_to_err(&out.hdr);
-        if (pages)
+        *npages = be32_to_cpu(out.num_pages);
-                *pages = be16_to_cpu(out.num_pages);
-        if (init_pages)
-                *init_pages = be16_to_cpu(out.init_pages);
-        if (boot_pages)
-                *boot_pages = be16_to_cpu(out.num_boot_pages);
        *func_id = be16_to_cpu(out.func_id);
        return err;
@@ -224,7 +220,7 @@ static int give_pages(struct mlx5_core_dev *dev, u16 func_id, int npages,
        in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES);
        in->hdr.opmod = cpu_to_be16(MLX5_PAGES_GIVE);
        in->func_id = cpu_to_be16(func_id);
-        in->num_entries = cpu_to_be16(npages);
+        in->num_entries = cpu_to_be32(npages);
        err = mlx5_cmd_exec(dev, in, inlen, &out, sizeof(out));
        mlx5_core_dbg(dev, "err %d\n", err);
        if (err) {
@@ -292,7 +288,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
        in.hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MANAGE_PAGES);
        in.hdr.opmod = cpu_to_be16(MLX5_PAGES_TAKE);
        in.func_id = cpu_to_be16(func_id);
-        in.num_entries = cpu_to_be16(npages);
+        in.num_entries = cpu_to_be32(npages);
        mlx5_core_dbg(dev, "npages %d, outlen %d\n", npages, outlen);
        err = mlx5_cmd_exec(dev, &in, sizeof(in), out, outlen);
        if (err) {
@@ -306,7 +302,7 @@ static int reclaim_pages(struct mlx5_core_dev *dev, u32 func_id, int npages,
                goto out_free;
        }
-        num_claimed = be16_to_cpu(out->num_entries);
+        num_claimed = be32_to_cpu(out->num_entries);
        if (nclaimed)
                *nclaimed = num_claimed;
@@ -345,7 +341,7 @@ static void pages_work_handler(struct work_struct *work)
 }
 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
-                                 s16 npages)
+                                 s32 npages)
 {
        struct mlx5_pages_req *req;
@@ -364,20 +360,18 @@ void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot)
 {
-        u16 uninitialized_var(boot_pages);
-        s16 uninitialized_var(init_pages);
        u16 uninitialized_var(func_id);
+        s32 uninitialized_var(npages);
        int err;
-        err = mlx5_cmd_query_pages(dev, &func_id, NULL, &init_pages,
+        err = mlx5_cmd_query_pages(dev, &func_id, &npages, boot);
-                                   &boot_pages);
        if (err)
                return err;
+        mlx5_core_dbg(dev, "requested %d %s pages for func_id 0x%x\n",
+                      npages, boot ? "boot" : "init", func_id);
-        mlx5_core_dbg(dev, "requested %d init pages and %d boot pages for func_id 0x%x\n",
+        return give_pages(dev, func_id, npages, 0);
-                      init_pages, boot_pages, func_id);
-        return give_pages(dev, func_id, boot ? boot_pages : init_pages, 0);
 }
 static int optimal_reclaimed_pages(void)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index 92da9980a0a0..9d4bb7f83904 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -3266,6 +3266,11 @@ int qlcnic_83xx_interrupt_test(struct net_device *netdev)
        u8 val;
        int ret, max_sds_rings = adapter->max_sds_rings;
+        if (test_bit(__QLCNIC_RESETTING, &adapter->state)) {
+                netdev_info(netdev, "Device is resetting\n");
+                return -EBUSY;
+        }
        if (qlcnic_get_diag_lock(adapter)) {
                netdev_info(netdev, "Device in diagnostics mode\n");
                return -EBUSY;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index 9f4b8d5f0865..345d987aede4 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -629,7 +629,8 @@ int qlcnic_83xx_idc_reattach_driver(struct qlcnic_adapter *adapter)
                return -EIO;
        }
-        qlcnic_set_drv_version(adapter);
+        if (adapter->portnum == 0)
+                qlcnic_set_drv_version(adapter);
        qlcnic_83xx_idc_attach_driver(adapter);
        return 0;
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index ee013fcc3322..bc05d016c859 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2165,7 +2165,8 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (err)
                goto err_out_disable_mbx_intr;
-        qlcnic_set_drv_version(adapter);
+        if (adapter->portnum == 0)
+                qlcnic_set_drv_version(adapter);
        pci_set_drvdata(pdev, adapter);
@@ -3085,7 +3086,8 @@ done:
        adapter->fw_fail_cnt = 0;
        adapter->flags &= ~QLCNIC_FW_HANG;
        clear_bit(__QLCNIC_RESETTING, &adapter->state);
-        qlcnic_set_drv_version(adapter);
+        if (adapter->portnum == 0)
+                qlcnic_set_drv_version(adapter);
        if (!qlcnic_clr_drv_state(adapter))
                qlcnic_schedule_work(adapter, qlcnic_fw_poll_work,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
index 10ed82b3baca..660c3f5b2237 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
@@ -170,9 +170,9 @@ static int qlcnic_82xx_store_beacon(struct qlcnic_adapter *adapter,
        if (ahw->extra_capability[0] & QLCNIC_FW_CAPABILITY_2_BEACON) {
                err = qlcnic_get_beacon_state(adapter, &h_beacon_state);
-                if (!err) {
+                if (err) {
-                        dev_info(&adapter->pdev->dev,
+                        netdev_err(adapter->netdev,
-                                 "Failed to get current beacon state\n");
+                                   "Failed to get current beacon state\n");
                } else {
                        if (h_beacon_state == QLCNIC_BEACON_DISABLE)
                                ahw->beacon_state = 0;
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
index 6f35f8404d68..d2e591955bdd 100644
--- a/drivers/net/ethernet/realtek/8139cp.c
+++ b/drivers/net/ethernet/realtek/8139cp.c
@@ -524,6 +524,7 @@ rx_status_loop:
                                         PCI_DMA_FROMDEVICE);
                if (dma_mapping_error(&cp->pdev->dev, new_mapping)) {
                        dev->stats.rx_dropped++;
+                        kfree_skb(new_skb);
                        goto rx_next;
                }
diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
index c9d942a5c335..1ef9d8a555aa 100644
--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
@@ -33,10 +33,15 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum)
        struct stmmac_priv *priv = (struct stmmac_priv *)p;
        unsigned int txsize = priv->dma_tx_size;
        unsigned int entry = priv->cur_tx % txsize;
-        struct dma_desc *desc = priv->dma_tx + entry;
+        struct dma_desc *desc;
        unsigned int nopaged_len = skb_headlen(skb);
        unsigned int bmax, len;
+        if (priv->extend_desc)
+                desc = (struct dma_desc *)(priv->dma_etx + entry);
+        else
+                desc = priv->dma_tx + entry;
        if (priv->plat->enh_desc)
                bmax = BUF_SIZE_8KiB;
        else
@@ -54,7 +59,11 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum)
                                                STMMAC_RING_MODE);
                wmb();
                entry = (++priv->cur_tx) % txsize;
-                desc = priv->dma_tx + entry;
+                if (priv->extend_desc)
+                        desc = (struct dma_desc *)(priv->dma_etx + entry);
+                else
+                        desc = priv->dma_tx + entry;
                desc->des2 = dma_map_single(priv->device, skb->data + bmax,
                                            len, DMA_TO_DEVICE);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index f2ccb36e8685..0a9bb9d30c3f 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -939,15 +939,20 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p,
        skb = __netdev_alloc_skb(priv->dev, priv->dma_buf_sz + NET_IP_ALIGN,
                                 GFP_KERNEL);
-        if (unlikely(skb == NULL)) {
+        if (!skb) {
                pr_err("%s: Rx init fails; skb is NULL\n", __func__);
-                return 1;
+                return -ENOMEM;
        }
        skb_reserve(skb, NET_IP_ALIGN);
        priv->rx_skbuff[i] = skb;
        priv->rx_skbuff_dma[i] = dma_map_single(priv->device, skb->data,
                                                priv->dma_buf_sz,
                                                DMA_FROM_DEVICE);
+        if (dma_mapping_error(priv->device, priv->rx_skbuff_dma[i])) {
+                pr_err("%s: DMA mapping error\n", __func__);
+                dev_kfree_skb_any(skb);
+                return -EINVAL;
+        }
        p->des2 = priv->rx_skbuff_dma[i];
@@ -958,6 +963,16 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p,
        return 0;
 }
+static void stmmac_free_rx_buffers(struct stmmac_priv *priv, int i)
+{
+        if (priv->rx_skbuff[i]) {
+                dma_unmap_single(priv->device, priv->rx_skbuff_dma[i],
+                                 priv->dma_buf_sz, DMA_FROM_DEVICE);
+                dev_kfree_skb_any(priv->rx_skbuff[i]);
+        }
+        priv->rx_skbuff[i] = NULL;
+}
 /**
 * init_dma_desc_rings - init the RX/TX descriptor rings
 * @dev: net device structure
@@ -965,13 +980,14 @@ static int stmmac_init_rx_buffers(struct stmmac_priv *priv, struct dma_desc *p,
 * and allocates the socket buffers. It suppors the chained and ring
 * modes.
 */
-static void init_dma_desc_rings(struct net_device *dev)
+static int init_dma_desc_rings(struct net_device *dev)
 {
        int i;
        struct stmmac_priv *priv = netdev_priv(dev);
        unsigned int txsize = priv->dma_tx_size;
        unsigned int rxsize = priv->dma_rx_size;
        unsigned int bfsize = 0;
+        int ret = -ENOMEM;
        /* Set the max buffer size according to the DESC mode
         * and the MTU. Note that RING mode allows 16KiB bsize.
@@ -992,34 +1008,60 @@ static void init_dma_desc_rings(struct net_device *dev)
                                                          dma_extended_desc),
                                                   &priv->dma_rx_phy,
                                                   GFP_KERNEL);
+                if (!priv->dma_erx)
+                        goto err_dma;
                priv->dma_etx = dma_alloc_coherent(priv->device, txsize *
                                                   sizeof(struct
                                                          dma_extended_desc),
                                                   &priv->dma_tx_phy,
                                                   GFP_KERNEL);
-                if ((!priv->dma_erx) || (!priv->dma_etx))
+                if (!priv->dma_etx) {
-                        return;
+                        dma_free_coherent(priv->device, priv->dma_rx_size *
+                                        sizeof(struct dma_extended_desc),
+                                        priv->dma_erx, priv->dma_rx_phy);
+                        goto err_dma;
+                }
        } else {
                priv->dma_rx = dma_alloc_coherent(priv->device, rxsize *
                                                  sizeof(struct dma_desc),
                                                  &priv->dma_rx_phy,
                                                  GFP_KERNEL);
+                if (!priv->dma_rx)
+                        goto err_dma;
                priv->dma_tx = dma_alloc_coherent(priv->device, txsize *
                                                  sizeof(struct dma_desc),
                                                  &priv->dma_tx_phy,
                                                  GFP_KERNEL);
-                if ((!priv->dma_rx) || (!priv->dma_tx))
+                if (!priv->dma_tx) {
-                        return;
+                        dma_free_coherent(priv->device, priv->dma_rx_size *
+                                        sizeof(struct dma_desc),
+                                        priv->dma_rx, priv->dma_rx_phy);
+                        goto err_dma;
+                }
        }
        priv->rx_skbuff_dma = kmalloc_array(rxsize, sizeof(dma_addr_t),
                                            GFP_KERNEL);
+        if (!priv->rx_skbuff_dma)
+                goto err_rx_skbuff_dma;
        priv->rx_skbuff = kmalloc_array(rxsize, sizeof(struct sk_buff *),
                                        GFP_KERNEL);
+        if (!priv->rx_skbuff)
+                goto err_rx_skbuff;
        priv->tx_skbuff_dma = kmalloc_array(txsize, sizeof(dma_addr_t),
                                            GFP_KERNEL);
+        if (!priv->tx_skbuff_dma)
+                goto err_tx_skbuff_dma;
        priv->tx_skbuff = kmalloc_array(txsize, sizeof(struct sk_buff *),
                                        GFP_KERNEL);
+        if (!priv->tx_skbuff)
+                goto err_tx_skbuff;
        if (netif_msg_probe(priv)) {
                pr_debug("(%s) dma_rx_phy=0x%08x dma_tx_phy=0x%08x\n", __func__,
                         (u32) priv->dma_rx_phy, (u32) priv->dma_tx_phy);
@@ -1034,8 +1076,9 @@ static void init_dma_desc_rings(struct net_device *dev)
                else
                        p = priv->dma_rx + i;
-                if (stmmac_init_rx_buffers(priv, p, i))
+                ret = stmmac_init_rx_buffers(priv, p, i);
-                        break;
+                if (ret)
+                        goto err_init_rx_buffers;
                if (netif_msg_probe(priv))
                        pr_debug("[%p]\t[%p]\t[%x]\n", priv->rx_skbuff[i],
@@ -1081,20 +1124,44 @@ static void init_dma_desc_rings(struct net_device *dev)
        if (netif_msg_hw(priv))
                stmmac_display_rings(priv);
+        return 0;
+err_init_rx_buffers:
+        while (--i >= 0)
+                stmmac_free_rx_buffers(priv, i);
+        kfree(priv->tx_skbuff);
+err_tx_skbuff:
+        kfree(priv->tx_skbuff_dma);
+err_tx_skbuff_dma:
+        kfree(priv->rx_skbuff);
+err_rx_skbuff:
+        kfree(priv->rx_skbuff_dma);
+err_rx_skbuff_dma:
+        if (priv->extend_desc) {
+                dma_free_coherent(priv->device, priv->dma_tx_size *
+                                  sizeof(struct dma_extended_desc),
+                                  priv->dma_etx, priv->dma_tx_phy);
+                dma_free_coherent(priv->device, priv->dma_rx_size *
+                                  sizeof(struct dma_extended_desc),
+                                  priv->dma_erx, priv->dma_rx_phy);
+        } else {
+                dma_free_coherent(priv->device,
+                                priv->dma_tx_size * sizeof(struct dma_desc),
+                                priv->dma_tx, priv->dma_tx_phy);
+                dma_free_coherent(priv->device,
+                                priv->dma_rx_size * sizeof(struct dma_desc),
+                                priv->dma_rx, priv->dma_rx_phy);
+        }
+err_dma:
+        return ret;
 }
 static void dma_free_rx_skbufs(struct stmmac_priv *priv)
 {
        int i;
-        for (i = 0; i < priv->dma_rx_size; i++) {
+        for (i = 0; i < priv->dma_rx_size; i++)
-                if (priv->rx_skbuff[i]) {
+                stmmac_free_rx_buffers(priv, i);
-                        dma_unmap_single(priv->device, priv->rx_skbuff_dma[i],
-                                         priv->dma_buf_sz, DMA_FROM_DEVICE);
-                        dev_kfree_skb_any(priv->rx_skbuff[i]);
-                }
-                priv->rx_skbuff[i] = NULL;
-        }
 }
 static void dma_free_tx_skbufs(struct stmmac_priv *priv)
@@ -1560,12 +1627,17 @@ static int stmmac_open(struct net_device *dev)
        priv->dma_tx_size = STMMAC_ALIGN(dma_txsize);
        priv->dma_rx_size = STMMAC_ALIGN(dma_rxsize);
        priv->dma_buf_sz = STMMAC_ALIGN(buf_sz);
-        init_dma_desc_rings(dev);
+        ret = init_dma_desc_rings(dev);
+        if (ret < 0) {
+                pr_err("%s: DMA descriptors initialization failed\n", __func__);
+                goto dma_desc_error;
+        }
        /* DMA initialization and SW reset */
        ret = stmmac_init_dma_engine(priv);
        if (ret < 0) {
-                pr_err("%s: DMA initialization failed\n", __func__);
+                pr_err("%s: DMA engine initialization failed\n", __func__);
                goto init_error;
        }
@@ -1672,6 +1744,7 @@ wolirq_error:
 init_error:
        free_dma_desc_resources(priv);
+dma_desc_error:
        if (priv->phydev)
                phy_disconnect(priv->phydev);
 phy_error:
diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index 1d6dc41f755d..d01cacf8a7c2 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -2100,7 +2100,7 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx)
                __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
        }
-        netif_rx(skb);
+        netif_receive_skb(skb);
        stats->rx_bytes += pkt_len;
        stats->rx_packets++;
@@ -2884,6 +2884,7 @@ out:
        return ret;
 err_iounmap:
+        netif_napi_del(&vptr->napi);
        iounmap(regs);
 err_free_dev:
        free_netdev(netdev);
@@ -2904,6 +2905,7 @@ static int velocity_remove(struct device *dev)
        struct velocity_info *vptr = netdev_priv(netdev);
        unregister_netdev(netdev);
+        netif_napi_del(&vptr->napi);
        iounmap(vptr->mac_regs);
        free_netdev(netdev);
        velocity_nics--;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index d0f9c2fd1d4f..16b43bf544b7 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -739,6 +739,10 @@ static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[])
                        return -EADDRNOTAVAIL;
        }
+        if (data && data[IFLA_MACVLAN_FLAGS] &&
+            nla_get_u16(data[IFLA_MACVLAN_FLAGS]) & ~MACVLAN_FLAG_NOPROMISC)
+                return -EINVAL;
        if (data && data[IFLA_MACVLAN_MODE]) {
                switch (nla_get_u32(data[IFLA_MACVLAN_MODE])) {
                case MACVLAN_MODE_PRIVATE:
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index a98fb0ed6aef..b51db2abfe44 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -818,10 +818,13 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
                skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
                skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG;
        }
-        if (vlan)
+        if (vlan) {
+                local_bh_disable();
                macvlan_start_xmit(skb, vlan->dev);
-        else
+                local_bh_enable();
+        } else {
                kfree_skb(skb);
+        }
        rcu_read_unlock();
        return total_len;
@@ -912,8 +915,11 @@ static ssize_t macvtap_put_user(struct macvtap_queue *q,
 done:
        rcu_read_lock();
        vlan = rcu_dereference(q->vlan);
-        if (vlan)
+        if (vlan) {
+                preempt_disable();
                macvlan_count_rx(vlan, copied - vnet_hdr_len, ret == 0, 0);
+                preempt_enable();
+        }
        rcu_read_unlock();
        return ret ? ret : copied;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index db690a372260..71af122edf2d 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1074,8 +1074,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
        u32 rxhash;
        if (!(tun->flags & TUN_NO_PI)) {
-                if ((len -= sizeof(pi)) > total_len)
+                if (len < sizeof(pi))
                        return -EINVAL;
+                len -= sizeof(pi);
                if (memcpy_fromiovecend((void *)&pi, iv, 0, sizeof(pi)))
                        return -EFAULT;
@@ -1083,8 +1084,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile,
        }
        if (tun->flags & TUN_VNET_HDR) {
-                if ((len -= tun->vnet_hdr_sz) > total_len)
+                if (len < tun->vnet_hdr_sz)
                        return -EINVAL;
+                len -= tun->vnet_hdr_sz;
                if (memcpy_fromiovecend((void *)&gso, iv, offset, sizeof(gso)))
                        return -EFAULT;
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index f4c6db419ddb..767f7af3bd40 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -1386,7 +1386,7 @@ static int vxlan_open(struct net_device *dev)
                return -ENOTCONN;
        if (IN_MULTICAST(ntohl(vxlan->default_dst.remote_ip)) &&
-            ! vxlan_group_used(vn, vxlan->default_dst.remote_ip)) {
+            vxlan_group_used(vn, vxlan->default_dst.remote_ip)) {
                vxlan_sock_hold(vs);
                dev_hold(dev);
                queue_work(vxlan_wq, &vxlan->igmp_join);
@@ -1793,8 +1793,6 @@ static void vxlan_dellink(struct net_device *dev, struct list_head *head)
        struct vxlan_net *vn = net_generic(dev_net(dev), vxlan_net_id);
        struct vxlan_dev *vxlan = netdev_priv(dev);
-        flush_workqueue(vxlan_wq);
        spin_lock(&vn->sock_lock);
        hlist_del_rcu(&vxlan->hlist);
        spin_unlock(&vn->sock_lock);
diff --git a/drivers/net/wireless/cw1200/sta.c b/drivers/net/wireless/cw1200/sta.c
index 7365674366f4..010b252be584 100644
--- a/drivers/net/wireless/cw1200/sta.c
+++ b/drivers/net/wireless/cw1200/sta.c
@@ -1406,11 +1406,8 @@ static void cw1200_do_unjoin(struct cw1200_common *priv)
        if (!priv->join_status)
                goto done;
-        if (priv->join_status > CW1200_JOIN_STATUS_IBSS) {
+        if (priv->join_status == CW1200_JOIN_STATUS_AP)
-                wiphy_err(priv->hw->wiphy, "Unexpected: join status: %d\n",
+                goto done;
-                          priv->join_status);
-                BUG_ON(1);
-        }
        cancel_work_sync(&priv->update_filtering_work);
        cancel_work_sync(&priv->set_beacon_wakeup_period_work);
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index b9b2bb51e605..f2ed62e37340 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -4460,12 +4460,12 @@ il4965_irq_tasklet(struct il_priv *il)
                 * is killed. Hence update the killswitch state here. The
                 * rfkill handler will care about restarting if needed.
                 */
-                if (!test_bit(S_ALIVE, &il->status)) {
+                if (hw_rf_kill) {
-                        if (hw_rf_kill)
+                        set_bit(S_RFKILL, &il->status);
-                                set_bit(S_RFKILL, &il->status);
+                } else {
-                        else
+                        clear_bit(S_RFKILL, &il->status);
-                                clear_bit(S_RFKILL, &il->status);
                        wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill);
+                        il_force_reset(il, true);
                }
                handled |= CSR_INT_BIT_RF_KILL;
@@ -5334,6 +5334,9 @@ il4965_alive_start(struct il_priv *il)
        il->active_rate = RATES_MASK;
+        il_power_update_mode(il, true);
+        D_INFO("Updated power mode\n");
        if (il_is_associated(il)) {
                struct il_rxon_cmd *active_rxon =
                    (struct il_rxon_cmd *)&il->active;
@@ -5364,9 +5367,6 @@ il4965_alive_start(struct il_priv *il)
        D_INFO("ALIVE processing complete.\n");
        wake_up(&il->wait_command_queue);
-        il_power_update_mode(il, true);
-        D_INFO("Updated power mode\n");
        return;
 restart:
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 3195aad440dd..b03e22ef5462 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -4660,6 +4660,7 @@ il_force_reset(struct il_priv *il, bool external)
        return 0;
 }
+EXPORT_SYMBOL(il_force_reset);
 int
 il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index 767fee2ab340..26019531db15 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -23,6 +23,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
+#include <linux/delay.h>
 #include <linux/rtc.h>
 #include <linux/slab.h>
 #include <linux/of_device.h>
@@ -119,24 +120,39 @@ static void stmp3xxx_wdt_register(struct platform_device *rtc_pdev)
 }
 #endif /* CONFIG_STMP3XXX_RTC_WATCHDOG */
-static void stmp3xxx_wait_time(struct stmp3xxx_rtc_data *rtc_data)
+static int stmp3xxx_wait_time(struct stmp3xxx_rtc_data *rtc_data)
 {
+        int timeout = 5000; /* 3ms according to i.MX28 Ref Manual */
        /*
-         * The datasheet doesn't say which way round the
+         * The i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
-         * NEW_REGS/STALE_REGS bitfields go. In fact it's 0x1=P0,
+         * states:
-         * 0x2=P1, .., 0x20=P5, 0x40=ALARM, 0x80=SECONDS
+         * | The order in which registers are updated is
+         * | Persistent 0, 1, 2, 3, 4, 5, Alarm, Seconds.
+         * | (This list is in bitfield order, from LSB to MSB, as they would
+         * | appear in the STALE_REGS and NEW_REGS bitfields of the HW_RTC_STAT
+         * | register. For example, the Seconds register corresponds to
+         * | STALE_REGS or NEW_REGS containing 0x80.)
         */
-        while (readl(rtc_data->io + STMP3XXX_RTC_STAT) &
+        do {
-                        (0x80 << STMP3XXX_RTC_STAT_STALE_SHIFT))
+                if (!(readl(rtc_data->io + STMP3XXX_RTC_STAT) &
-                cpu_relax();
+                                (0x80 << STMP3XXX_RTC_STAT_STALE_SHIFT)))
+                        return 0;
+                udelay(1);
+        } while (--timeout > 0);
+        return (readl(rtc_data->io + STMP3XXX_RTC_STAT) &
+                (0x80 << STMP3XXX_RTC_STAT_STALE_SHIFT)) ? -ETIME : 0;
 }
 /* Time read/write */
 static int stmp3xxx_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
 {
+        int ret;
        struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
-        stmp3xxx_wait_time(rtc_data);
+        ret = stmp3xxx_wait_time(rtc_data);
+        if (ret)
+                return ret;
        rtc_time_to_tm(readl(rtc_data->io + STMP3XXX_RTC_SECONDS), rtc_tm);
        return 0;
 }
@@ -146,8 +162,7 @@ static int stmp3xxx_rtc_set_mmss(struct device *dev, unsigned long t)
        struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
        writel(t, rtc_data->io + STMP3XXX_RTC_SECONDS);
-        stmp3xxx_wait_time(rtc_data);
+        return stmp3xxx_wait_time(rtc_data);
-        return 0;
 }
 /* interrupt(s) handler */
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 609dbc2f7151..83b4ef4dfcf8 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -1119,11 +1119,11 @@ static int usbtmc_probe(struct usb_interface *intf,
        /* Determine if it is a Rigol or not */
        data->rigol_quirk = 0;
        dev_dbg(&intf->dev, "Trying to find if device Vendor 0x%04X Product 0x%04X has the RIGOL quirk\n",
-                data->usb_dev->descriptor.idVendor,
+                le16_to_cpu(data->usb_dev->descriptor.idVendor),
-                data->usb_dev->descriptor.idProduct);
+                le16_to_cpu(data->usb_dev->descriptor.idProduct));
        for(n = 0; usbtmc_id_quirk[n].idVendor > 0; n++) {
-                if ((usbtmc_id_quirk[n].idVendor == data->usb_dev->descriptor.idVendor) &&
+                if ((usbtmc_id_quirk[n].idVendor == le16_to_cpu(data->usb_dev->descriptor.idVendor)) &&
-                    (usbtmc_id_quirk[n].idProduct == data->usb_dev->descriptor.idProduct)) {
+                    (usbtmc_id_quirk[n].idProduct == le16_to_cpu(data->usb_dev->descriptor.idProduct))) {
                        dev_dbg(&intf->dev, "Setting this device as having the RIGOL quirk\n");
                        data->rigol_quirk = 1;
                        break;
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index a63598895077..5b44cd47da5b 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -78,6 +78,12 @@ static const struct usb_device_id usb_quirk_list[] = {
        { USB_DEVICE(0x04d8, 0x000c), .driver_info =
                        USB_QUIRK_CONFIG_INTF_STRINGS },
+        /* CarrolTouch 4000U */
+        { USB_DEVICE(0x04e7, 0x0009), .driver_info = USB_QUIRK_RESET_RESUME },
+        /* CarrolTouch 4500U */
+        { USB_DEVICE(0x04e7, 0x0030), .driver_info = USB_QUIRK_RESET_RESUME },
        /* Samsung Android phone modem - ID conflict with SPH-I500 */
        { USB_DEVICE(0x04e8, 0x6601), .driver_info =
                        USB_QUIRK_CONFIG_INTF_STRINGS },
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index f80d0330d548..8e3c878f38cf 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -1391,21 +1391,20 @@ iso_stream_schedule (
                /* Behind the scheduling threshold? */
                if (unlikely(start < next)) {
+                        unsigned now2 = (now - base) & (mod - 1);
                        /* USB_ISO_ASAP: Round up to the first available slot */
                        if (urb->transfer_flags & URB_ISO_ASAP)
                                start += (next - start + period - 1) & -period;
                        /*
-                         * Not ASAP: Use the next slot in the stream.  If
+                         * Not ASAP: Use the next slot in the stream,
-                         * the entire URB falls before the threshold, fail.
+                         * no matter what.
                         */
-                        else if (start + span - period < next) {
+                        else if (start + span - period < now2) {
-                                ehci_dbg(ehci, "iso urb late %p (%u+%u < %u)\n",
+                                ehci_dbg(ehci, "iso underrun %p (%u+%u < %u)\n",
                                                urb, start + base,
-                                                span - period, next + base);
+                                                span - period, now2 + base);
-                                status = -EXDEV;
-                                goto fail;
                        }
                }
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index eb3c8c142fa9..eeb27208c0d1 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -830,7 +830,7 @@ static int adu_probe(struct usb_interface *interface,
        /* let the user know what node this device is now attached to */
        dev_info(&interface->dev, "ADU%d %s now attached to /dev/usb/adutux%d\n",
-                 udev->descriptor.idProduct, dev->serial_number,
+                 le16_to_cpu(udev->descriptor.idProduct), dev->serial_number,
                 (dev->minor - ADU_MINOR_BASE));
 exit:
        dbg(2, " %s : leave, return value %p (dev)", __func__, dev);
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 5a979729f8ec..58c17fdc85eb 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -2303,7 +2303,7 @@ static int keyspan_startup(struct usb_serial *serial)
        if (d_details == NULL) {
                dev_err(&serial->dev->dev, "%s - unknown product id %x\n",
                    __func__, le16_to_cpu(serial->dev->descriptor.idProduct));
-                return 1;
+                return -ENODEV;
        }
        /* Setup private data for serial driver */
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 51da424327b0..b01300164fc0 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -90,6 +90,7 @@ struct urbtracker {
        struct list_head        urblist_entry;
        struct kref             ref_count;
        struct urb              *urb;
+        struct usb_ctrlrequest  *setup;
 };
 enum mos7715_pp_modes {
@@ -271,6 +272,7 @@ static void destroy_urbtracker(struct kref *kref)
        struct mos7715_parport *mos_parport = urbtrack->mos_parport;
        usb_free_urb(urbtrack->urb);
+        kfree(urbtrack->setup);
        kfree(urbtrack);
        kref_put(&mos_parport->ref_count, destroy_mos_parport);
 }
@@ -355,7 +357,6 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
        struct urbtracker *urbtrack;
        int ret_val;
        unsigned long flags;
-        struct usb_ctrlrequest setup;
        struct usb_serial *serial = mos_parport->serial;
        struct usb_device *usbdev = serial->dev;
@@ -373,14 +374,20 @@ static int write_parport_reg_nonblock(struct mos7715_parport *mos_parport,
                kfree(urbtrack);
                return -ENOMEM;
        }
-        setup.bRequestType = (__u8)0x40;
+        urbtrack->setup = kmalloc(sizeof(*urbtrack->setup), GFP_KERNEL);
-        setup.bRequest = (__u8)0x0e;
+        if (!urbtrack->setup) {
-        setup.wValue = get_reg_value(reg, dummy);
+                usb_free_urb(urbtrack->urb);
-        setup.wIndex = get_reg_index(reg);
+                kfree(urbtrack);
-        setup.wLength = 0;
+                return -ENOMEM;
+        }
+        urbtrack->setup->bRequestType = (__u8)0x40;
+        urbtrack->setup->bRequest = (__u8)0x0e;
+        urbtrack->setup->wValue = get_reg_value(reg, dummy);
+        urbtrack->setup->wIndex = get_reg_index(reg);
+        urbtrack->setup->wLength = 0;
        usb_fill_control_urb(urbtrack->urb, usbdev,
                             usb_sndctrlpipe(usbdev, 0),
-                             (unsigned char *)&setup,
+                             (unsigned char *)urbtrack->setup,
                             NULL, 0, async_complete, urbtrack);
        kref_init(&urbtrack->ref_count);
        INIT_LIST_HEAD(&urbtrack->urblist_entry);
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index d953d674f222..3bac4693c038 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -2193,7 +2193,7 @@ static int mos7810_check(struct usb_serial *serial)
 static int mos7840_probe(struct usb_serial *serial,
                                const struct usb_device_id *id)
 {
-        u16 product = serial->dev->descriptor.idProduct;
+        u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
        u8 *buf;
        int device_type;
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 375b5a400b6f..5c9f9b1d7736 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -1536,14 +1536,15 @@ static int ti_download_firmware(struct ti_device *tdev)
        char buf[32];
        /* try ID specific firmware first, then try generic firmware */
-        sprintf(buf, "ti_usb-v%04x-p%04x.fw", dev->descriptor.idVendor,
+        sprintf(buf, "ti_usb-v%04x-p%04x.fw",
-            dev->descriptor.idProduct);
+                        le16_to_cpu(dev->descriptor.idVendor),
+                        le16_to_cpu(dev->descriptor.idProduct));
        status = request_firmware(&fw_p, buf, &dev->dev);
        if (status != 0) {
                buf[0] = '\0';
-                if (dev->descriptor.idVendor == MTS_VENDOR_ID) {
+                if (le16_to_cpu(dev->descriptor.idVendor) == MTS_VENDOR_ID) {
-                        switch (dev->descriptor.idProduct) {
+                        switch (le16_to_cpu(dev->descriptor.idProduct)) {
                        case MTS_CDMA_PRODUCT_ID:
                                strcpy(buf, "mts_cdma.fw");
                                break;
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 8257d30c4072..85365784040b 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -291,18 +291,18 @@ static void usb_wwan_indat_callback(struct urb *urb)
                        tty_flip_buffer_push(&port->port);
                } else
                        dev_dbg(dev, "%s: empty read urb received\n", __func__);
+        }
-                /* Resubmit urb so we continue receiving */
+        /* Resubmit urb so we continue receiving */
-                err = usb_submit_urb(urb, GFP_ATOMIC);
+        err = usb_submit_urb(urb, GFP_ATOMIC);
-                if (err) {
+        if (err) {
-                        if (err != -EPERM) {
+                if (err != -EPERM) {
-                                dev_err(dev, "%s: resubmit read urb failed. (%d)\n", __func__, err);
+                        dev_err(dev, "%s: resubmit read urb failed. (%d)\n",
-                                /* busy also in error unless we are killed */
+                                __func__, err);
-                                usb_mark_last_busy(port->serial->dev);
+                        /* busy also in error unless we are killed */
-                        }
-                } else {
                        usb_mark_last_busy(port->serial->dev);
                }
+        } else {
+                usb_mark_last_busy(port->serial->dev);
        }
 }
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 16968c899493..d3493ca0525d 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -1226,6 +1226,12 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb)
        }
        spin_lock_irqsave(&xfer->lock, flags);
        rpipe = xfer->ep->hcpriv;
+        if (rpipe == NULL) {
+                pr_debug("%s: xfer id 0x%08X has no RPIPE.  %s",
+                        __func__, wa_xfer_id(xfer),
+                        "Probably already aborted.\n" );
+                goto out_unlock;
+        }
        /* Check the delayed list -> if there, release and complete */
        spin_lock_irqsave(&wa->xfer_list_lock, flags2);
        if (!list_empty(&xfer->list_node) && xfer->seg == NULL)
@@ -1644,8 +1650,7 @@ static void wa_xfer_result_cb(struct urb *urb)
                        break;
                }
                usb_status = xfer_result->bTransferStatus & 0x3f;
-                if (usb_status == WA_XFER_STATUS_ABORTED
+                if (usb_status == WA_XFER_STATUS_NOT_FOUND)
-                    || usb_status == WA_XFER_STATUS_NOT_FOUND)
                        /* taken care of already */
                        break;
                xfer_id = xfer_result->dwTransferID;
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
index 45e57cc38200..fc6f4f3a1a9d 100644
--- a/fs/cifs/cifsencrypt.c
+++ b/fs/cifs/cifsencrypt.c
@@ -43,17 +43,18 @@ cifs_crypto_shash_md5_allocate(struct TCP_Server_Info *server)
        server->secmech.md5 = crypto_alloc_shash("md5", 0, 0);
        if (IS_ERR(server->secmech.md5)) {
                cifs_dbg(VFS, "could not allocate crypto md5\n");
-                return PTR_ERR(server->secmech.md5);
+                rc = PTR_ERR(server->secmech.md5);
+                server->secmech.md5 = NULL;
+                return rc;
        }
        size = sizeof(struct shash_desc) +
                        crypto_shash_descsize(server->secmech.md5);
        server->secmech.sdescmd5 = kmalloc(size, GFP_KERNEL);
        if (!server->secmech.sdescmd5) {
-                rc = -ENOMEM;
                crypto_free_shash(server->secmech.md5);
                server->secmech.md5 = NULL;
-                return rc;
+                return -ENOMEM;
        }
        server->secmech.sdescmd5->shash.tfm = server->secmech.md5;
        server->secmech.sdescmd5->shash.flags = 0x0;
@@ -421,7 +422,7 @@ find_domain_name(struct cifs_ses *ses, const struct nls_table *nls_cp)
                if (blobptr + attrsize > blobend)
                        break;
                if (type == NTLMSSP_AV_NB_DOMAIN_NAME) {
-                        if (!attrsize)
+                        if (!attrsize || attrsize >= CIFS_MAX_DOMAINNAME_LEN)
                                break;
                        if (!ses->domainName) {
                                ses->domainName =
@@ -591,6 +592,7 @@ CalcNTLMv2_response(const struct cifs_ses *ses, char *ntlmv2_hash)
 static int crypto_hmacmd5_alloc(struct TCP_Server_Info *server)
 {
+        int rc;
        unsigned int size;
        /* check if already allocated */
@@ -600,7 +602,9 @@ static int crypto_hmacmd5_alloc(struct TCP_Server_Info *server)
        server->secmech.hmacmd5 = crypto_alloc_shash("hmac(md5)", 0, 0);
        if (IS_ERR(server->secmech.hmacmd5)) {
                cifs_dbg(VFS, "could not allocate crypto hmacmd5\n");
-                return PTR_ERR(server->secmech.hmacmd5);
+                rc = PTR_ERR(server->secmech.hmacmd5);
+                server->secmech.hmacmd5 = NULL;
+                return rc;
        }
        size = sizeof(struct shash_desc) +
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 4bdd547dbf6f..85ea98d139fc 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -147,18 +147,17 @@ cifs_read_super(struct super_block *sb)
                goto out_no_root;
        }
+        if (cifs_sb_master_tcon(cifs_sb)->nocase)
+                sb->s_d_op = &cifs_ci_dentry_ops;
+        else
+                sb->s_d_op = &cifs_dentry_ops;
        sb->s_root = d_make_root(inode);
        if (!sb->s_root) {
                rc = -ENOMEM;
                goto out_no_root;
        }
-        /* do that *after* d_make_root() - we want NULL ->d_op for root here */
-        if (cifs_sb_master_tcon(cifs_sb)->nocase)
-                sb->s_d_op = &cifs_ci_dentry_ops;
-        else
-                sb->s_d_op = &cifs_dentry_ops;
 #ifdef CONFIG_CIFS_NFSD_EXPORT
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
                cifs_dbg(FYI, "export ops supported\n");
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 1fdc37041057..52ca861ed35e 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -44,6 +44,7 @@
 #define MAX_TREE_SIZE (2 + MAX_SERVER_SIZE + 1 + MAX_SHARE_SIZE + 1)
 #define MAX_SERVER_SIZE 15
 #define MAX_SHARE_SIZE 80
+#define CIFS_MAX_DOMAINNAME_LEN 256 /* max domain name length */
 #define MAX_USERNAME_SIZE 256   /* reasonable maximum for current servers */
 #define MAX_PASSWORD_SIZE 512   /* max for windows seems to be 256 wide chars */
@@ -369,6 +370,9 @@ struct smb_version_operations {
        void (*generate_signingkey)(struct TCP_Server_Info *server);
        int (*calc_signature)(struct smb_rqst *rqst,
                                   struct TCP_Server_Info *server);
+        int (*query_mf_symlink)(const unsigned char *path, char *pbuf,
+                        unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb,
+                        unsigned int xid);
 };
 struct smb_version_values {
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index f7e584d047e2..b29a012bed33 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -497,5 +497,7 @@ void cifs_writev_complete(struct work_struct *work);
 struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
                                                work_func_t complete);
 void cifs_writedata_release(struct kref *refcount);
+int open_query_close_cifs_symlink(const unsigned char *path, char *pbuf,
+                        unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb,
+                        unsigned int xid);
 #endif                  /* _CIFSPROTO_H */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index fa68813396b5..d67c550c4980 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1675,7 +1675,8 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
                        if (string == NULL)
                                goto out_nomem;
-                        if (strnlen(string, 256) == 256) {
+                        if (strnlen(string, CIFS_MAX_DOMAINNAME_LEN)
+                                        == CIFS_MAX_DOMAINNAME_LEN) {
                                printk(KERN_WARNING "CIFS: domain name too"
                                                    " long\n");
                                goto cifs_parse_mount_err;
@@ -2276,8 +2277,8 @@ cifs_put_smb_ses(struct cifs_ses *ses)
 #ifdef CONFIG_KEYS
-/* strlen("cifs:a:") + INET6_ADDRSTRLEN + 1 */
+/* strlen("cifs:a:") + CIFS_MAX_DOMAINNAME_LEN + 1 */
-#define CIFSCREDS_DESC_SIZE (7 + INET6_ADDRSTRLEN + 1)
+#define CIFSCREDS_DESC_SIZE (7 + CIFS_MAX_DOMAINNAME_LEN + 1)
 /* Populate username and pw fields from keyring if possible */
 static int
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 1e57f36ea1b2..7e36ae34e947 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -647,6 +647,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
                                     oflags, &oplock, &cfile->fid.netfid, xid);
                if (rc == 0) {
                        cifs_dbg(FYI, "posix reopen succeeded\n");
+                        oparms.reconnect = true;
                        goto reopen_success;
                }
                /*
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index b83c3f5646bd..562044f700e5 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -305,67 +305,89 @@ CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr)
 }
 int
-CIFSCheckMFSymlink(struct cifs_fattr *fattr,
+open_query_close_cifs_symlink(const unsigned char *path, char *pbuf,
-                   const unsigned char *path,
+                        unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb,
-                   struct cifs_sb_info *cifs_sb, unsigned int xid)
+                        unsigned int xid)
 {
        int rc;
        int oplock = 0;
        __u16 netfid = 0;
        struct tcon_link *tlink;
-        struct cifs_tcon *pTcon;
+        struct cifs_tcon *ptcon;
        struct cifs_io_parms io_parms;
-        u8 *buf;
-        char *pbuf;
-        unsigned int bytes_read = 0;
        int buf_type = CIFS_NO_BUFFER;
-        unsigned int link_len = 0;
        FILE_ALL_INFO file_info;
-        if (!CIFSCouldBeMFSymlink(fattr))
-                /* it's not a symlink */
-                return 0;
        tlink = cifs_sb_tlink(cifs_sb);
        if (IS_ERR(tlink))
                return PTR_ERR(tlink);
-        pTcon = tlink_tcon(tlink);
+        ptcon = tlink_tcon(tlink);
-        rc = CIFSSMBOpen(xid, pTcon, path, FILE_OPEN, GENERIC_READ,
+        rc = CIFSSMBOpen(xid, ptcon, path, FILE_OPEN, GENERIC_READ,
                         CREATE_NOT_DIR, &netfid, &oplock, &file_info,
                         cifs_sb->local_nls,
                         cifs_sb->mnt_cifs_flags &
                                CIFS_MOUNT_MAP_SPECIAL_CHR);
-        if (rc != 0)
+        if (rc != 0) {
-                goto out;
+                cifs_put_tlink(tlink);
+                return rc;
+        }
        if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) {
-                CIFSSMBClose(xid, pTcon, netfid);
+                CIFSSMBClose(xid, ptcon, netfid);
+                cifs_put_tlink(tlink);
                /* it's not a symlink */
-                goto out;
+                return rc;
        }
-        buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
-        if (!buf) {
-                rc = -ENOMEM;
-                goto out;
-        }
-        pbuf = buf;
        io_parms.netfid = netfid;
        io_parms.pid = current->tgid;
-        io_parms.tcon = pTcon;
+        io_parms.tcon = ptcon;
        io_parms.offset = 0;
        io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
-        rc = CIFSSMBRead(xid, &io_parms, &bytes_read, &pbuf, &buf_type);
+        rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type);
-        CIFSSMBClose(xid, pTcon, netfid);
+        CIFSSMBClose(xid, ptcon, netfid);
-        if (rc != 0) {
+        cifs_put_tlink(tlink);
-                kfree(buf);
+        return rc;
+}
+int
+CIFSCheckMFSymlink(struct cifs_fattr *fattr,
+                   const unsigned char *path,
+                   struct cifs_sb_info *cifs_sb, unsigned int xid)
+{
+        int rc = 0;
+        u8 *buf = NULL;
+        unsigned int link_len = 0;
+        unsigned int bytes_read = 0;
+        struct cifs_tcon *ptcon;
+        if (!CIFSCouldBeMFSymlink(fattr))
+                /* it's not a symlink */
+                return 0;
+        buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
+        if (!buf) {
+                rc = -ENOMEM;
                goto out;
        }
+        ptcon = tlink_tcon(cifs_sb_tlink(cifs_sb));
+        if ((ptcon->ses) && (ptcon->ses->server->ops->query_mf_symlink))
+                rc = ptcon->ses->server->ops->query_mf_symlink(path, buf,
+                                                 &bytes_read, cifs_sb, xid);
+        else
+                goto out;
+        if (rc != 0)
+                goto out;
+        if (bytes_read == 0) /* not a symlink */
+                goto out;
        rc = CIFSParseMFSymlink(buf, bytes_read, &link_len, NULL);
-        kfree(buf);
        if (rc == -EINVAL) {
                /* it's not a symlink */
                rc = 0;
@@ -381,7 +403,7 @@ CIFSCheckMFSymlink(struct cifs_fattr *fattr,
        fattr->cf_mode |= S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO;
        fattr->cf_dtype = DT_LNK;
 out:
-        cifs_put_tlink(tlink);
+        kfree(buf);
        return rc;
 }
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index ab8778469394..69d2c826a23b 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -111,6 +111,14 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
                        return;
        }
+        /*
+         * If we know that the inode will need to be revalidated immediately,
+         * then don't create a new dentry for it. We'll end up doing an on
+         * the wire call either way and this spares us an invalidation.
+         */
+        if (fattr->cf_flags & CIFS_FATTR_NEED_REVAL)
+                return;
        dentry = d_alloc(parent, name);
        if (!dentry)
                return;
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 79358e341fd2..08dd37bb23aa 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -197,7 +197,7 @@ static void unicode_domain_string(char **pbcc_area, struct cifs_ses *ses,
                bytes_ret = 0;
        } else
                bytes_ret = cifs_strtoUTF16((__le16 *) bcc_ptr, ses->domainName,
-                                            256, nls_cp);
+                                            CIFS_MAX_DOMAINNAME_LEN, nls_cp);
        bcc_ptr += 2 * bytes_ret;
        bcc_ptr += 2;  /* account for null terminator */
@@ -255,8 +255,8 @@ static void ascii_ssetup_strings(char **pbcc_area, struct cifs_ses *ses,
        /* copy domain */
        if (ses->domainName != NULL) {
-                strncpy(bcc_ptr, ses->domainName, 256);
+                strncpy(bcc_ptr, ses->domainName, CIFS_MAX_DOMAINNAME_LEN);
-                bcc_ptr += strnlen(ses->domainName, 256);
+                bcc_ptr += strnlen(ses->domainName, CIFS_MAX_DOMAINNAME_LEN);
        } /* else we will send a null domain name
             so the server will default to its own domain */
        *bcc_ptr = 0;
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index 6457690731a2..60943978aec3 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -944,6 +944,7 @@ struct smb_version_operations smb1_operations = {
        .mand_lock = cifs_mand_lock,
        .mand_unlock_range = cifs_unlock_range,
        .push_mand_locks = cifs_push_mandatory_locks,
+        .query_mf_symlink = open_query_close_cifs_symlink,
 };
 struct smb_version_values smb1_values = {
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c
index 301b191270b9..4f2300d020c7 100644
--- a/fs/cifs/smb2transport.c
+++ b/fs/cifs/smb2transport.c
@@ -42,6 +42,7 @@
 static int
 smb2_crypto_shash_allocate(struct TCP_Server_Info *server)
 {
+        int rc;
        unsigned int size;
        if (server->secmech.sdeschmacsha256 != NULL)
@@ -50,7 +51,9 @@ smb2_crypto_shash_allocate(struct TCP_Server_Info *server)
        server->secmech.hmacsha256 = crypto_alloc_shash("hmac(sha256)", 0, 0);
        if (IS_ERR(server->secmech.hmacsha256)) {
                cifs_dbg(VFS, "could not allocate crypto hmacsha256\n");
-                return PTR_ERR(server->secmech.hmacsha256);
+                rc = PTR_ERR(server->secmech.hmacsha256);
+                server->secmech.hmacsha256 = NULL;
+                return rc;
        }
        size = sizeof(struct shash_desc) +
@@ -87,7 +90,9 @@ smb3_crypto_shash_allocate(struct TCP_Server_Info *server)
                server->secmech.sdeschmacsha256 = NULL;
                crypto_free_shash(server->secmech.hmacsha256);
                server->secmech.hmacsha256 = NULL;
-                return PTR_ERR(server->secmech.cmacaes);
+                rc = PTR_ERR(server->secmech.cmacaes);
+                server->secmech.cmacaes = NULL;
+                return rc;
        }
        size = sizeof(struct shash_desc) +
diff --git a/fs/exec.c b/fs/exec.c
index 9c73def87642..fd774c7cb483 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -608,7 +608,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
                return -ENOMEM;
        lru_add_drain();
-        tlb_gather_mmu(&tlb, mm, 0);
+        tlb_gather_mmu(&tlb, mm, old_start, old_end);
        if (new_end > old_start) {
                /*
                 * when the old and new regions overlap clear from new_end.
@@ -625,7 +625,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
                free_pgd_range(&tlb, old_start, old_end, new_end,
                        vma->vm_next ? vma->vm_next->vm_start : USER_PGTABLES_CEILING);
        }
-        tlb_finish_mmu(&tlb, new_end, old_end);
+        tlb_finish_mmu(&tlb, old_start, old_end);
        /*
         * Shrink the vma to just the new range.  Always succeeds.
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index b577e45425b0..0ab26fbf3380 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2086,6 +2086,7 @@ extern int  ext4_sync_inode(handle_t *, struct inode *);
 extern void ext4_dirty_inode(struct inode *, int);
 extern int ext4_change_inode_journal_flag(struct inode *, int);
 extern int ext4_get_inode_loc(struct inode *, struct ext4_iloc *);
+extern int ext4_inode_attach_jinode(struct inode *inode);
 extern int ext4_can_truncate(struct inode *inode);
 extern void ext4_truncate(struct inode *);
 extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length);
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index 72a3600aedbd..17ac112ab101 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -255,10 +255,10 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line,
        set_buffer_prio(bh);
        if (ext4_handle_valid(handle)) {
                err = jbd2_journal_dirty_metadata(handle, bh);
-                if (err) {
+                /* Errors can only happen if there is a bug */
-                        /* Errors can only happen if there is a bug */
+                if (WARN_ON_ONCE(err)) {
-                        handle->h_err = err;
+                        ext4_journal_abort_handle(where, line, __func__, bh,
-                        __ext4_journal_stop(where, line, handle);
+                                                  handle, err);
                }
        } else {
                if (inode)
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 6f4cc567c382..319c9d26279a 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -219,7 +219,6 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
 {
        struct super_block *sb = inode->i_sb;
        struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
-        struct ext4_inode_info *ei = EXT4_I(inode);
        struct vfsmount *mnt = filp->f_path.mnt;
        struct path path;
        char buf[64], *cp;
@@ -259,22 +258,10 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
         * Set up the jbd2_inode if we are opening the inode for
         * writing and the journal is present
         */
-        if (sbi->s_journal && !ei->jinode && (filp->f_mode & FMODE_WRITE)) {
+        if (filp->f_mode & FMODE_WRITE) {
-                struct jbd2_inode *jinode = jbd2_alloc_inode(GFP_KERNEL);
+                int ret = ext4_inode_attach_jinode(inode);
+                if (ret < 0)
-                spin_lock(&inode->i_lock);
+                        return ret;
-                if (!ei->jinode) {
-                        if (!jinode) {
-                                spin_unlock(&inode->i_lock);
-                                return -ENOMEM;
-                        }
-                        ei->jinode = jinode;
-                        jbd2_journal_init_jbd_inode(ei->jinode, inode);
-                        jinode = NULL;
-                }
-                spin_unlock(&inode->i_lock);
-                if (unlikely(jinode != NULL))
-                        jbd2_free_inode(jinode);
        }
        return dquot_file_open(inode, filp);
 }
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index dd32a2eacd0d..c2ca04e67a4f 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3533,6 +3533,18 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
                   offset;
        }
+        if (offset & (sb->s_blocksize - 1) ||
+            (offset + length) & (sb->s_blocksize - 1)) {
+                /*
+                 * Attach jinode to inode for jbd2 if we do any zeroing of
+                 * partial block
+                 */
+                ret = ext4_inode_attach_jinode(inode);
+                if (ret < 0)
+                        goto out_mutex;
+        }
        first_block_offset = round_up(offset, sb->s_blocksize);
        last_block_offset = round_down((offset + length), sb->s_blocksize) - 1;
@@ -3601,6 +3613,31 @@ out_mutex:
        return ret;
 }
+int ext4_inode_attach_jinode(struct inode *inode)
+{
+        struct ext4_inode_info *ei = EXT4_I(inode);
+        struct jbd2_inode *jinode;
+        if (ei->jinode || !EXT4_SB(inode->i_sb)->s_journal)
+                return 0;
+        jinode = jbd2_alloc_inode(GFP_KERNEL);
+        spin_lock(&inode->i_lock);
+        if (!ei->jinode) {
+                if (!jinode) {
+                        spin_unlock(&inode->i_lock);
+                        return -ENOMEM;
+                }
+                ei->jinode = jinode;
+                jbd2_journal_init_jbd_inode(ei->jinode, inode);
+                jinode = NULL;
+        }
+        spin_unlock(&inode->i_lock);
+        if (unlikely(jinode != NULL))
+                jbd2_free_inode(jinode);
+        return 0;
+}
 /*
 * ext4_truncate()
 *
@@ -3661,6 +3698,12 @@ void ext4_truncate(struct inode *inode)
                        return;
        }
+        /* If we zero-out tail of the page, we have to create jinode for jbd2 */
+        if (inode->i_size & (inode->i_sb->s_blocksize - 1)) {
+                if (ext4_inode_attach_jinode(inode) < 0)
+                        return;
+        }
        if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
                credits = ext4_writepage_trans_blocks(inode);
        else
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 9491ac0590f7..c0427e2f6648 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -77,8 +77,10 @@ static void swap_inode_data(struct inode *inode1, struct inode *inode2)
        memswap(ei1->i_data, ei2->i_data, sizeof(ei1->i_data));
        memswap(&ei1->i_flags, &ei2->i_flags, sizeof(ei1->i_flags));
        memswap(&ei1->i_disksize, &ei2->i_disksize, sizeof(ei1->i_disksize));
-        memswap(&ei1->i_es_tree, &ei2->i_es_tree, sizeof(ei1->i_es_tree));
+        ext4_es_remove_extent(inode1, 0, EXT_MAX_BLOCKS);
-        memswap(&ei1->i_es_lru_nr, &ei2->i_es_lru_nr, sizeof(ei1->i_es_lru_nr));
+        ext4_es_remove_extent(inode2, 0, EXT_MAX_BLOCKS);
+        ext4_es_lru_del(inode1);
+        ext4_es_lru_del(inode2);
        isize = i_size_read(inode1);
        i_size_write(inode1, i_size_read(inode2));
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 36b141e420b7..b59373b625e9 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1359,7 +1359,7 @@ static const struct mount_opts {
        {Opt_delalloc, EXT4_MOUNT_DELALLOC,
         MOPT_EXT4_ONLY | MOPT_SET | MOPT_EXPLICIT},
        {Opt_nodelalloc, EXT4_MOUNT_DELALLOC,
-         MOPT_EXT4_ONLY | MOPT_CLEAR | MOPT_EXPLICIT},
+         MOPT_EXT4_ONLY | MOPT_CLEAR},
        {Opt_journal_checksum, EXT4_MOUNT_JOURNAL_CHECKSUM,
         MOPT_EXT4_ONLY | MOPT_SET},
        {Opt_journal_async_commit, (EXT4_MOUNT_JOURNAL_ASYNC_COMMIT |
@@ -3483,7 +3483,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
                }
                if (test_opt(sb, DIOREAD_NOLOCK)) {
                        ext4_msg(sb, KERN_ERR, "can't mount with "
-                                 "both data=journal and delalloc");
+                                 "both data=journal and dioread_nolock");
                        goto failed_mount;
                }
                if (test_opt(sb, DELALLOC))
@@ -4727,6 +4727,21 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
                goto restore_opts;
        }
+        if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
+                if (test_opt2(sb, EXPLICIT_DELALLOC)) {
+                        ext4_msg(sb, KERN_ERR, "can't mount with "
+                                 "both data=journal and delalloc");
+                        err = -EINVAL;
+                        goto restore_opts;
+                }
+                if (test_opt(sb, DIOREAD_NOLOCK)) {
+                        ext4_msg(sb, KERN_ERR, "can't mount with "
+                                 "both data=journal and dioread_nolock");
+                        err = -EINVAL;
+                        goto restore_opts;
+                }
+        }
        if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED)
                ext4_abort(sb, "Abort forced by user");
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index a3f868ae3fd4..34423978b170 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -463,6 +463,14 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb,
        return inode;
 }
+/*
+ * Hugetlbfs is not reclaimable; therefore its i_mmap_mutex will never
+ * be taken from reclaim -- unlike regular filesystems. This needs an
+ * annotation because huge_pmd_share() does an allocation under
+ * i_mmap_mutex.
+ */
+struct lock_class_key hugetlbfs_i_mmap_mutex_key;
 static struct inode *hugetlbfs_get_inode(struct super_block *sb,
                                        struct inode *dir,
                                        umode_t mode, dev_t dev)
@@ -474,6 +482,8 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb,
                struct hugetlbfs_inode_info *info;
                inode->i_ino = get_next_ino();
                inode_init_owner(inode, dir, mode);
+                lockdep_set_class(&inode->i_mapping->i_mmap_mutex,
+                                &hugetlbfs_i_mmap_mutex_key);
                inode->i_mapping->a_ops = &hugetlbfs_aops;
                inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info;
                inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 79736a28d84f..2abf97b2a592 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -1757,7 +1757,7 @@ try_again:
                goto out;
        } else if (ret == 1) {
                clusters_need = wc->w_clen;
-                ret = ocfs2_refcount_cow(inode, filp, di_bh,
+                ret = ocfs2_refcount_cow(inode, di_bh,
                                         wc->w_cpos, wc->w_clen, UINT_MAX);
                if (ret) {
                        mlog_errno(ret);
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index eb760d8acd50..30544ce8e9f7 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2153,11 +2153,9 @@ int ocfs2_empty_dir(struct inode *inode)
 {
        int ret;
        struct ocfs2_empty_dir_priv priv = {
-                .ctx.actor = ocfs2_empty_dir_filldir
+                .ctx.actor = ocfs2_empty_dir_filldir,
        };
-        memset(&priv, 0, sizeof(priv));
        if (ocfs2_dir_indexed(inode)) {
                ret = ocfs2_empty_dir_dx(inode, &priv);
                if (ret)
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 41000f223ca4..3261d71319ee 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -370,7 +370,7 @@ static int ocfs2_cow_file_pos(struct inode *inode,
        if (!(ext_flags & OCFS2_EXT_REFCOUNTED))
                goto out;
-        return ocfs2_refcount_cow(inode, NULL, fe_bh, cpos, 1, cpos+1);
+        return ocfs2_refcount_cow(inode, fe_bh, cpos, 1, cpos+1);
 out:
        return status;
@@ -899,7 +899,7 @@ static int ocfs2_zero_extend_get_range(struct inode *inode,
                zero_clusters = last_cpos - zero_cpos;
        if (needs_cow) {
-                rc = ocfs2_refcount_cow(inode, NULL, di_bh, zero_cpos,
+                rc = ocfs2_refcount_cow(inode, di_bh, zero_cpos,
                                        zero_clusters, UINT_MAX);
                if (rc) {
                        mlog_errno(rc);
@@ -2078,7 +2078,7 @@ static int ocfs2_prepare_inode_for_refcount(struct inode *inode,
        *meta_level = 1;
-        ret = ocfs2_refcount_cow(inode, file, di_bh, cpos, clusters, UINT_MAX);
+        ret = ocfs2_refcount_cow(inode, di_bh, cpos, clusters, UINT_MAX);
        if (ret)
                mlog_errno(ret);
 out:
diff --git a/fs/ocfs2/journal.h b/fs/ocfs2/journal.h
index 96f9ac237e86..0a992737dcaf 100644
--- a/fs/ocfs2/journal.h
+++ b/fs/ocfs2/journal.h
@@ -537,7 +537,7 @@ static inline int ocfs2_calc_extend_credits(struct super_block *sb,
        extent_blocks = 1 + 1 + le16_to_cpu(root_el->l_tree_depth);
        return bitmap_blocks + sysfile_bitmap_blocks + extent_blocks +
-               ocfs2_quota_trans_credits(sb) + bits_wanted;
+               ocfs2_quota_trans_credits(sb);
 }
 static inline int ocfs2_calc_symlink_credits(struct super_block *sb)
diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c
index f1fc172175b6..452068b45749 100644
--- a/fs/ocfs2/move_extents.c
+++ b/fs/ocfs2/move_extents.c
@@ -69,7 +69,7 @@ static int __ocfs2_move_extent(handle_t *handle,
        u64 ino = ocfs2_metadata_cache_owner(context->et.et_ci);
        u64 old_blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cpos);
-        ret = ocfs2_duplicate_clusters_by_page(handle, context->file, cpos,
+        ret = ocfs2_duplicate_clusters_by_page(handle, inode, cpos,
                                               p_cpos, new_p_cpos, len);
        if (ret) {
                mlog_errno(ret);
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 9f6b96a09615..a70d604593b6 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -49,7 +49,6 @@
 struct ocfs2_cow_context {
        struct inode *inode;
-        struct file *file;
        u32 cow_start;
        u32 cow_len;
        struct ocfs2_extent_tree data_et;
@@ -66,7 +65,7 @@ struct ocfs2_cow_context {
                            u32 *num_clusters,
                            unsigned int *extent_flags);
        int (*cow_duplicate_clusters)(handle_t *handle,
-                                      struct file *file,
+                                      struct inode *inode,
                                      u32 cpos, u32 old_cluster,
                                      u32 new_cluster, u32 new_len);
 };
@@ -2922,14 +2921,12 @@ static int ocfs2_clear_cow_buffer(handle_t *handle, struct buffer_head *bh)
 }
 int ocfs2_duplicate_clusters_by_page(handle_t *handle,
-                                     struct file *file,
+                                     struct inode *inode,
                                     u32 cpos, u32 old_cluster,
                                     u32 new_cluster, u32 new_len)
 {
        int ret = 0, partial;
-        struct inode *inode = file_inode(file);
+        struct super_block *sb = inode->i_sb;
-        struct ocfs2_caching_info *ci = INODE_CACHE(inode);
-        struct super_block *sb = ocfs2_metadata_cache_get_super(ci);
        u64 new_block = ocfs2_clusters_to_blocks(sb, new_cluster);
        struct page *page;
        pgoff_t page_index;
@@ -2978,13 +2975,6 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle,
                if (PAGE_CACHE_SIZE <= OCFS2_SB(sb)->s_clustersize)
                        BUG_ON(PageDirty(page));
-                if (PageReadahead(page)) {
-                        page_cache_async_readahead(mapping,
-                                                   &file->f_ra, file,
-                                                   page, page_index,
-                                                   readahead_pages);
-                }
                if (!PageUptodate(page)) {
                        ret = block_read_full_page(page, ocfs2_get_block);
                        if (ret) {
@@ -3004,7 +2994,8 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle,
                        }
                }
-                ocfs2_map_and_dirty_page(inode, handle, from, to,
+                ocfs2_map_and_dirty_page(inode,
+                                         handle, from, to,
                                         page, 0, &new_block);
                mark_page_accessed(page);
 unlock:
@@ -3020,12 +3011,11 @@ unlock:
 }
 int ocfs2_duplicate_clusters_by_jbd(handle_t *handle,
-                                    struct file *file,
+                                    struct inode *inode,
                                    u32 cpos, u32 old_cluster,
                                    u32 new_cluster, u32 new_len)
 {
        int ret = 0;
-        struct inode *inode = file_inode(file);
        struct super_block *sb = inode->i_sb;
        struct ocfs2_caching_info *ci = INODE_CACHE(inode);
        int i, blocks = ocfs2_clusters_to_blocks(sb, new_len);
@@ -3150,7 +3140,7 @@ static int ocfs2_replace_clusters(handle_t *handle,
        /*If the old clusters is unwritten, no need to duplicate. */
        if (!(ext_flags & OCFS2_EXT_UNWRITTEN)) {
-                ret = context->cow_duplicate_clusters(handle, context->file,
+                ret = context->cow_duplicate_clusters(handle, context->inode,
                                                      cpos, old, new, len);
                if (ret) {
                        mlog_errno(ret);
@@ -3428,35 +3418,12 @@ static int ocfs2_replace_cow(struct ocfs2_cow_context *context)
        return ret;
 }
-static void ocfs2_readahead_for_cow(struct inode *inode,
-                                    struct file *file,
-                                    u32 start, u32 len)
-{
-        struct address_space *mapping;
-        pgoff_t index;
-        unsigned long num_pages;
-        int cs_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits;
-        if (!file)
-                return;
-        mapping = file->f_mapping;
-        num_pages = (len << cs_bits) >> PAGE_CACHE_SHIFT;
-        if (!num_pages)
-                num_pages = 1;
-        index = ((loff_t)start << cs_bits) >> PAGE_CACHE_SHIFT;
-        page_cache_sync_readahead(mapping, &file->f_ra, file,
-                                  index, num_pages);
-}
 /*
 * Starting at cpos, try to CoW write_len clusters.  Don't CoW
 * past max_cpos.  This will stop when it runs into a hole or an
 * unrefcounted extent.
 */
 static int ocfs2_refcount_cow_hunk(struct inode *inode,
-                                   struct file *file,
                                   struct buffer_head *di_bh,
                                   u32 cpos, u32 write_len, u32 max_cpos)
 {
@@ -3485,8 +3452,6 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode,
        BUG_ON(cow_len == 0);
-        ocfs2_readahead_for_cow(inode, file, cow_start, cow_len);
        context = kzalloc(sizeof(struct ocfs2_cow_context), GFP_NOFS);
        if (!context) {
                ret = -ENOMEM;
@@ -3508,7 +3473,6 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode,
        context->ref_root_bh = ref_root_bh;
        context->cow_duplicate_clusters = ocfs2_duplicate_clusters_by_page;
        context->get_clusters = ocfs2_di_get_clusters;
-        context->file = file;
        ocfs2_init_dinode_extent_tree(&context->data_et,
                                      INODE_CACHE(inode), di_bh);
@@ -3537,7 +3501,6 @@ out:
 * clusters between cpos and cpos+write_len are safe to modify.
 */
 int ocfs2_refcount_cow(struct inode *inode,
-                       struct file *file,
                       struct buffer_head *di_bh,
                       u32 cpos, u32 write_len, u32 max_cpos)
 {
@@ -3557,7 +3520,7 @@ int ocfs2_refcount_cow(struct inode *inode,
                        num_clusters = write_len;
                if (ext_flags & OCFS2_EXT_REFCOUNTED) {
-                        ret = ocfs2_refcount_cow_hunk(inode, file, di_bh, cpos,
+                        ret = ocfs2_refcount_cow_hunk(inode, di_bh, cpos,
                                                      num_clusters, max_cpos);
                        if (ret) {
                                mlog_errno(ret);
diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h
index 7754608c83a4..6422bbcdb525 100644
--- a/fs/ocfs2/refcounttree.h
+++ b/fs/ocfs2/refcounttree.h
@@ -53,7 +53,7 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode,
                                          int *credits,
                                          int *ref_blocks);
 int ocfs2_refcount_cow(struct inode *inode,
-                       struct file *filep, struct buffer_head *di_bh,
+                       struct buffer_head *di_bh,
                       u32 cpos, u32 write_len, u32 max_cpos);
 typedef int (ocfs2_post_refcount_func)(struct inode *inode,
@@ -85,11 +85,11 @@ int ocfs2_refcount_cow_xattr(struct inode *inode,
                             u32 cpos, u32 write_len,
                             struct ocfs2_post_refcount *post);
 int ocfs2_duplicate_clusters_by_page(handle_t *handle,
-                                     struct file *file,
+                                     struct inode *inode,
                                     u32 cpos, u32 old_cluster,
                                     u32 new_cluster, u32 new_len);
 int ocfs2_duplicate_clusters_by_jbd(handle_t *handle,
-                                    struct file *file,
+                                    struct inode *inode,
                                    u32 cpos, u32 old_cluster,
                                    u32 new_cluster, u32 new_len);
 int ocfs2_cow_sync_writeback(struct super_block *sb,
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index dbf61f6174f0..107d026f5d6e 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -730,8 +730,16 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma,
         * of how soft-dirty works.
         */
        pte_t ptent = *pte;
-        ptent = pte_wrprotect(ptent);
-        ptent = pte_clear_flags(ptent, _PAGE_SOFT_DIRTY);
+        if (pte_present(ptent)) {
+                ptent = pte_wrprotect(ptent);
+                ptent = pte_clear_flags(ptent, _PAGE_SOFT_DIRTY);
+        } else if (is_swap_pte(ptent)) {
+                ptent = pte_swp_clear_soft_dirty(ptent);
+        } else if (pte_file(ptent)) {
+                ptent = pte_file_clear_soft_dirty(ptent);
+        }
        set_pte_at(vma->vm_mm, addr, pte, ptent);
 #endif
 }
@@ -752,14 +760,15 @@ static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr,
        pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
        for (; addr != end; pte++, addr += PAGE_SIZE) {
                ptent = *pte;
-                if (!pte_present(ptent))
-                        continue;
                if (cp->type == CLEAR_REFS_SOFT_DIRTY) {
                        clear_soft_dirty(vma, addr, pte);
                        continue;
                }
+                if (!pte_present(ptent))
+                        continue;
                page = vm_normal_page(vma, addr, ptent);
                if (!page)
                        continue;
@@ -859,7 +868,7 @@ typedef struct {
 } pagemap_entry_t;
 struct pagemapread {
-        int pos, len;
+        int pos, len;           /* units: PM_ENTRY_BYTES, not bytes */
        pagemap_entry_t *buffer;
        bool v2;
 };
@@ -867,7 +876,7 @@ struct pagemapread {
 #define PAGEMAP_WALK_SIZE       (PMD_SIZE)
 #define PAGEMAP_WALK_MASK       (PMD_MASK)
-#define PM_ENTRY_BYTES      sizeof(u64)
+#define PM_ENTRY_BYTES      sizeof(pagemap_entry_t)
 #define PM_STATUS_BITS      3
 #define PM_STATUS_OFFSET    (64 - PM_STATUS_BITS)
 #define PM_STATUS_MASK      (((1LL << PM_STATUS_BITS) - 1) << PM_STATUS_OFFSET)
@@ -930,8 +939,10 @@ static void pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *pm,
                flags = PM_PRESENT;
                page = vm_normal_page(vma, addr, pte);
        } else if (is_swap_pte(pte)) {
-                swp_entry_t entry = pte_to_swp_entry(pte);
+                swp_entry_t entry;
+                if (pte_swp_soft_dirty(pte))
+                        flags2 |= __PM_SOFT_DIRTY;
+                entry = pte_to_swp_entry(pte);
                frame = swp_type(entry) |
                        (swp_offset(entry) << MAX_SWAPFILES_SHIFT);
                flags = PM_SWAP;
@@ -1116,8 +1127,8 @@ static ssize_t pagemap_read(struct file *file, char __user *buf,
                goto out_task;
        pm.v2 = soft_dirty_cleared;
-        pm.len = PM_ENTRY_BYTES * (PAGEMAP_WALK_SIZE >> PAGE_SHIFT);
+        pm.len = (PAGEMAP_WALK_SIZE >> PAGE_SHIFT);
-        pm.buffer = kmalloc(pm.len, GFP_TEMPORARY);
+        pm.buffer = kmalloc(pm.len * PM_ENTRY_BYTES, GFP_TEMPORARY);
        ret = -ENOMEM;
        if (!pm.buffer)
                goto out_task;
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 2f47ade1b567..0807ddf97b05 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -417,6 +417,36 @@ static inline pmd_t pmd_mksoft_dirty(pmd_t pmd)
 {
        return pmd;
 }
+static inline pte_t pte_swp_mksoft_dirty(pte_t pte)
+{
+        return pte;
+}
+static inline int pte_swp_soft_dirty(pte_t pte)
+{
+        return 0;
+}
+static inline pte_t pte_swp_clear_soft_dirty(pte_t pte)
+{
+        return pte;
+}
+static inline pte_t pte_file_clear_soft_dirty(pte_t pte)
+{
+       return pte;
+}
+static inline pte_t pte_file_mksoft_dirty(pte_t pte)
+{
+       return pte;
+}
+static inline int pte_file_soft_dirty(pte_t pte)
+{
+       return 0;
+}
 #endif
 #ifndef __HAVE_PFNMAP_TRACKING
diff --git a/include/asm-generic/tlb.h b/include/asm-generic/tlb.h
index 13821c339a41..5672d7ea1fa0 100644
--- a/include/asm-generic/tlb.h
+++ b/include/asm-generic/tlb.h
@@ -112,7 +112,7 @@ struct mmu_gather {
 #define HAVE_GENERIC_MMU_GATHER
-void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm);
+void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end);
 void tlb_flush_mmu(struct mmu_gather *tlb);
 void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start,
                                                        unsigned long end);
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 737685e9e852..68029b30c3dc 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -309,21 +309,20 @@ struct mlx5_hca_cap {
        __be16  max_desc_sz_rq;
        u8      rsvd21[2];
        __be16  max_desc_sz_sq_dc;
-        u8      rsvd22[4];
+        __be32  max_qp_mcg;
-        __be16  max_qp_mcg;
+        u8      rsvd22[3];
-        u8      rsvd23;
        u8      log_max_mcg;
-        u8      rsvd24;
+        u8      rsvd23;
        u8      log_max_pd;
-        u8      rsvd25;
+        u8      rsvd24;
        u8      log_max_xrcd;
-        u8      rsvd26[42];
+        u8      rsvd25[42];
        __be16  log_uar_page_sz;
-        u8      rsvd27[28];
+        u8      rsvd26[28];
        u8      log_msx_atomic_size_qp;
-        u8      rsvd28[2];
+        u8      rsvd27[2];
        u8      log_msx_atomic_size_dc;
-        u8      rsvd29[76];
+        u8      rsvd28[76];
 };
@@ -472,9 +471,8 @@ struct mlx5_eqe_cmd {
 struct mlx5_eqe_page_req {
        u8              rsvd0[2];
        __be16          func_id;
-        u8              rsvd1[2];
+        __be32          num_pages;
-        __be16          num_pages;
+        __be32          rsvd1[5];
-        __be32          rsvd2[5];
 };
 union ev_data {
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 2aa258b0ced1..8888381fc150 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -358,7 +358,7 @@ struct mlx5_caps {
        u32     reserved_lkey;
        u8      local_ca_ack_delay;
        u8      log_max_mcg;
-        u16     max_qp_mcg;
+        u32     max_qp_mcg;
        int     min_page_sz;
 };
@@ -691,7 +691,7 @@ void mlx5_pagealloc_cleanup(struct mlx5_core_dev *dev);
 int mlx5_pagealloc_start(struct mlx5_core_dev *dev);
 void mlx5_pagealloc_stop(struct mlx5_core_dev *dev);
 void mlx5_core_req_pages_handler(struct mlx5_core_dev *dev, u16 func_id,
-                                 s16 npages);
+                                 s32 npages);
 int mlx5_satisfy_startup_pages(struct mlx5_core_dev *dev, int boot);
 int mlx5_reclaim_startup_pages(struct mlx5_core_dev *dev);
 void mlx5_register_debugfs(void);
@@ -731,9 +731,6 @@ void mlx5_cq_debugfs_cleanup(struct mlx5_core_dev *dev);
 int mlx5_db_alloc(struct mlx5_core_dev *dev, struct mlx5_db *db);
 void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db);
-typedef void (*health_handler_t)(struct pci_dev *pdev, struct health_buffer __iomem *buf, int size);
-int mlx5_register_health_report_handler(health_handler_t handler);
-void mlx5_unregister_health_report_handler(void);
 const char *mlx5_command_str(int command);
 int mlx5_cmdif_debugfs_init(struct mlx5_core_dev *dev);
 void mlx5_cmdif_debugfs_cleanup(struct mlx5_core_dev *dev);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d722490da030..e9995eb5985c 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -314,6 +314,7 @@ struct nsproxy;
 struct user_namespace;
 #ifdef CONFIG_MMU
+extern unsigned long mmap_legacy_base(void);
 extern void arch_pick_mmap_layout(struct mm_struct *mm);
 extern unsigned long
 arch_get_unmapped_area(struct file *, unsigned long, unsigned long,
@@ -1532,6 +1533,8 @@ static inline pid_t task_pgrp_nr(struct task_struct *tsk)
 * Test if a process is not yet dead (at most zombie state)
 * If pid_alive fails, then pointers within the task structure
 * can be stale and must not be dereferenced.
+ *
+ * Return: 1 if the process is alive. 0 otherwise.
 */
 static inline int pid_alive(struct task_struct *p)
 {
@@ -1543,6 +1546,8 @@ static inline int pid_alive(struct task_struct *p)
 * @tsk: Task structure to be checked.
 *
 * Check if a task structure is the first user space task the kernel created.
+ *
+ * Return: 1 if the task structure is init. 0 otherwise.
 */
 static inline int is_global_init(struct task_struct *tsk)
 {
@@ -1894,6 +1899,8 @@ extern struct task_struct *idle_task(int cpu);
 /**
 * is_idle_task - is the specified task an idle task?
 * @p: the task in question.
+ *
+ * Return: 1 if @p is an idle task. 0 otherwise.
 */
 static inline bool is_idle_task(const struct task_struct *p)
 {
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 7d537ced949a..75f34949d9ab 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -117,9 +117,17 @@ do {								\
 #endif /*arch_spin_is_contended*/
 #endif
-/* The lock does not imply full memory barrier. */
+/*
-#ifndef ARCH_HAS_SMP_MB_AFTER_LOCK
+ * Despite its name it doesn't necessarily has to be a full barrier.
-static inline void smp_mb__after_lock(void) { smp_mb(); }
+ * It should only guarantee that a STORE before the critical section
+ * can not be reordered with a LOAD inside this section.
+ * spin_lock() is the one-way barrier, this LOAD can not escape out
+ * of the region. So the default implementation simply ensures that
+ * a STORE can not move into the critical section, smp_wmb() should
+ * serialize it with another STORE done by spin_lock().
+ */
+#ifndef smp_mb__before_spinlock
+#define smp_mb__before_spinlock()       smp_wmb()
 #endif
 /**
diff --git a/include/linux/swapops.h b/include/linux/swapops.h
index c5fd30d2a415..8d4fa82bfb91 100644
--- a/include/linux/swapops.h
+++ b/include/linux/swapops.h
@@ -67,6 +67,8 @@ static inline swp_entry_t pte_to_swp_entry(pte_t pte)
        swp_entry_t arch_entry;
        BUG_ON(pte_file(pte));
+        if (pte_swp_soft_dirty(pte))
+                pte = pte_swp_clear_soft_dirty(pte);
        arch_entry = __pte_to_swp_entry(pte);
        return swp_entry(__swp_type(arch_entry), __swp_offset(arch_entry));
 }
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 4147d700a293..84662ecc7b51 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -802,9 +802,14 @@ asmlinkage long sys_vfork(void);
 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *, int,
               int __user *);
 #else
+#ifdef CONFIG_CLONE_BACKWARDS3
+asmlinkage long sys_clone(unsigned long, unsigned long, int, int __user *,
+                          int __user *, int);
+#else
 asmlinkage long sys_clone(unsigned long, unsigned long, int __user *,
               int __user *, int);
 #endif
+#endif
 asmlinkage long sys_execve(const char __user *filename,
                const char __user *const __user *argv,
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index f18b91966d3d..8a358a2c97e6 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -122,7 +122,7 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock)
                if (rc > 0)
                        /* local bh are disabled so it is ok to use _BH */
                        NET_ADD_STATS_BH(sock_net(sk),
-                                         LINUX_MIB_LOWLATENCYRXPACKETS, rc);
+                                         LINUX_MIB_BUSYPOLLRXPACKETS, rc);
        } while (!nonblock && skb_queue_empty(&sk->sk_receive_queue) &&
                 !need_resched() && !busy_loop_timeout(end_time));
@@ -162,11 +162,6 @@ static inline bool sk_can_busy_loop(struct sock *sk)
        return false;
 }
-static inline bool sk_busy_poll(struct sock *sk, int nonblock)
-{
-        return false;
-}
 static inline void skb_mark_napi_id(struct sk_buff *skb,
                                    struct napi_struct *napi)
 {
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 781b3cf86a2f..a354db5b7662 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -145,20 +145,6 @@ static inline u8 ip_tunnel_ecn_encap(u8 tos, const struct iphdr *iph,
        return INET_ECN_encapsulate(tos, inner);
 }
-static inline void tunnel_ip_select_ident(struct sk_buff *skb,
-                                          const struct iphdr  *old_iph,
-                                          struct dst_entry *dst)
-{
-        struct iphdr *iph = ip_hdr(skb);
-        /* Use inner packet iph-id if possible. */
-        if (skb->protocol == htons(ETH_P_IP) && old_iph->id)
-                iph->id = old_iph->id;
-        else
-                __ip_select_ident(iph, dst,
-                                  (skb_shinfo(skb)->gso_segs ?: 1) - 1);
-}
 int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto);
 int iptunnel_xmit(struct net *net, struct rtable *rt,
                  struct sk_buff *skb,
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 6eab63363e59..e5ae0c50fa9c 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -683,13 +683,19 @@ struct psched_ratecfg {
        u64     rate_bytes_ps; /* bytes per second */
        u32     mult;
        u16     overhead;
+        u8      linklayer;
        u8      shift;
 };
 static inline u64 psched_l2t_ns(const struct psched_ratecfg *r,
                                unsigned int len)
 {
-        return ((u64)(len + r->overhead) * r->mult) >> r->shift;
+        len += r->overhead;
+        if (unlikely(r->linklayer == TC_LINKLAYER_ATM))
+                return ((u64)(DIV_ROUND_UP(len,48)*53) * r->mult) >> r->shift;
+        return ((u64)len * r->mult) >> r->shift;
 }
 extern void psched_ratecfg_precompute(struct psched_ratecfg *r, const struct tc_ratespec *conf);
@@ -700,6 +706,7 @@ static inline void psched_ratecfg_getrate(struct tc_ratespec *res,
        memset(res, 0, sizeof(*res));
        res->rate = r->rate_bytes_ps;
        res->overhead = r->overhead;
+        res->linklayer = (r->linklayer & TC_LINKLAYER_MASK);
 }
 #endif
diff --git a/include/uapi/linux/pkt_sched.h b/include/uapi/linux/pkt_sched.h
index dbd71b0c7d8c..09d62b9228ff 100644
--- a/include/uapi/linux/pkt_sched.h
+++ b/include/uapi/linux/pkt_sched.h
@@ -73,9 +73,17 @@ struct tc_estimator {
 #define TC_H_ROOT       (0xFFFFFFFFU)
 #define TC_H_INGRESS    (0xFFFFFFF1U)
+/* Need to corrospond to iproute2 tc/tc_core.h "enum link_layer" */
+enum tc_link_layer {
+        TC_LINKLAYER_UNAWARE, /* Indicate unaware old iproute2 util */
+        TC_LINKLAYER_ETHERNET,
+        TC_LINKLAYER_ATM,
+};
+#define TC_LINKLAYER_MASK 0x0F /* limit use to lower 4 bits */
 struct tc_ratespec {
        unsigned char   cell_log;
-        unsigned char   __reserved;
+        __u8            linklayer; /* lower 4 bits */
        unsigned short  overhead;
        short           cell_align;
        unsigned short  mpu;
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index af0a674cc677..a1356d3b54df 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -253,7 +253,7 @@ enum
        LINUX_MIB_TCPFASTOPENLISTENOVERFLOW,    /* TCPFastOpenListenOverflow */
        LINUX_MIB_TCPFASTOPENCOOKIEREQD,        /* TCPFastOpenCookieReqd */
        LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES, /* TCPSpuriousRtxHostQueues */
-        LINUX_MIB_LOWLATENCYRXPACKETS,          /* LowLatencyRxPackets */
+        LINUX_MIB_BUSYPOLLRXPACKETS,            /* BusyPollRxPackets */
        __LINUX_MIB_MAX
 };
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index e5657788fedd..010a0083c0ae 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1608,11 +1608,13 @@ static int cpuset_write_u64(struct cgroup *cgrp, struct cftype *cft, u64 val)
 {
        struct cpuset *cs = cgroup_cs(cgrp);
        cpuset_filetype_t type = cft->private;
-        int retval = -ENODEV;
+        int retval = 0;
        mutex_lock(&cpuset_mutex);
-        if (!is_cpuset_online(cs))
+        if (!is_cpuset_online(cs)) {
+                retval = -ENODEV;
                goto out_unlock;
+        }
        switch (type) {
        case FILE_CPU_EXCLUSIVE:
diff --git a/kernel/fork.c b/kernel/fork.c
index 403d2bb8a968..e23bb19e2a3e 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1679,6 +1679,12 @@ SYSCALL_DEFINE5(clone, unsigned long, newsp, unsigned long, clone_flags,
                 int __user *, parent_tidptr,
                 int __user *, child_tidptr,
                 int, tls_val)
+#elif defined(CONFIG_CLONE_BACKWARDS3)
+SYSCALL_DEFINE6(clone, unsigned long, clone_flags, unsigned long, newsp,
+                int, stack_size,
+                int __user *, parent_tidptr,
+                int __user *, child_tidptr,
+                int, tls_val)
 #else
 SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp,
                 int __user *, parent_tidptr,
diff --git a/kernel/mutex.c b/kernel/mutex.c
index ff05f4bd86eb..a52ee7bb830d 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -686,7 +686,7 @@ __ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
        might_sleep();
        ret =  __mutex_lock_common(&lock->base, TASK_UNINTERRUPTIBLE,
                                   0, &ctx->dep_map, _RET_IP_, ctx);
-        if (!ret && ctx->acquired > 0)
+        if (!ret && ctx->acquired > 1)
                return ww_mutex_deadlock_injection(lock, ctx);
        return ret;
@@ -702,7 +702,7 @@ __ww_mutex_lock_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
        ret = __mutex_lock_common(&lock->base, TASK_INTERRUPTIBLE,
                                  0, &ctx->dep_map, _RET_IP_, ctx);
-        if (!ret && ctx->acquired > 0)
+        if (!ret && ctx->acquired > 1)
                return ww_mutex_deadlock_injection(lock, ctx);
        return ret;
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 06fe28589e9c..a394297f8b2f 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -296,6 +296,17 @@ int pm_qos_request_active(struct pm_qos_request *req)
 }
 EXPORT_SYMBOL_GPL(pm_qos_request_active);
+static void __pm_qos_update_request(struct pm_qos_request *req,
+                           s32 new_value)
+{
+        trace_pm_qos_update_request(req->pm_qos_class, new_value);
+        if (new_value != req->node.prio)
+                pm_qos_update_target(
+                        pm_qos_array[req->pm_qos_class]->constraints,
+                        &req->node, PM_QOS_UPDATE_REQ, new_value);
+}
 /**
 * pm_qos_work_fn - the timeout handler of pm_qos_update_request_timeout
 * @work: work struct for the delayed work (timeout)
@@ -308,7 +319,7 @@ static void pm_qos_work_fn(struct work_struct *work)
                                                  struct pm_qos_request,
                                                  work);
-        pm_qos_update_request(req, PM_QOS_DEFAULT_VALUE);
+        __pm_qos_update_request(req, PM_QOS_DEFAULT_VALUE);
 }
 /**
@@ -364,12 +375,7 @@ void pm_qos_update_request(struct pm_qos_request *req,
        }
        cancel_delayed_work_sync(&req->work);
+        __pm_qos_update_request(req, new_value);
-        trace_pm_qos_update_request(req->pm_qos_class, new_value);
-        if (new_value != req->node.prio)
-                pm_qos_update_target(
-                        pm_qos_array[req->pm_qos_class]->constraints,
-                        &req->node, PM_QOS_UPDATE_REQ, new_value);
 }
 EXPORT_SYMBOL_GPL(pm_qos_update_request);
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index b7c32cb7bfeb..05c39f030314 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -933,6 +933,8 @@ static int effective_prio(struct task_struct *p)
 /**
 * task_curr - is this task currently executing on a CPU?
 * @p: the task in question.
+ *
+ * Return: 1 if the task is currently executing. 0 otherwise.
 */
 inline int task_curr(const struct task_struct *p)
 {
@@ -1482,7 +1484,7 @@ static void ttwu_queue(struct task_struct *p, int cpu)
 * the simpler "current->state = TASK_RUNNING" to mark yourself
 * runnable without the overhead of this.
 *
- * Returns %true if @p was woken up, %false if it was already running
+ * Return: %true if @p was woken up, %false if it was already running.
 * or @state didn't match @p's state.
 */
 static int
@@ -1491,7 +1493,13 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags)
        unsigned long flags;
        int cpu, success = 0;
-        smp_wmb();
+        /*
+         * If we are going to wake up a thread waiting for CONDITION we
+         * need to ensure that CONDITION=1 done by the caller can not be
+         * reordered with p->state check below. This pairs with mb() in
+         * set_current_state() the waiting thread does.
+         */
+        smp_mb__before_spinlock();
        raw_spin_lock_irqsave(&p->pi_lock, flags);
        if (!(p->state & state))
                goto out;
@@ -1577,8 +1585,9 @@ out:
 * @p: The process to be woken up.
 *
 * Attempt to wake up the nominated process and move it to the set of runnable
- * processes.  Returns 1 if the process was woken up, 0 if it was already
+ * processes.
- * running.
+ *
+ * Return: 1 if the process was woken up, 0 if it was already running.
 *
 * It may be assumed that this function implies a write memory barrier before
 * changing the task state if and only if any tasks are woken up.
@@ -2191,6 +2200,8 @@ void scheduler_tick(void)
 * This makes sure that uptime, CFS vruntime, load
 * balancing, etc... continue to move forward, even
 * with a very low granularity.
+ *
+ * Return: Maximum deferment in nanoseconds.
 */
 u64 scheduler_tick_max_deferment(void)
 {
@@ -2394,6 +2405,12 @@ need_resched:
        if (sched_feat(HRTICK))
                hrtick_clear(rq);
+        /*
+         * Make sure that signal_pending_state()->signal_pending() below
+         * can't be reordered with __set_current_state(TASK_INTERRUPTIBLE)
+         * done by the caller to avoid the race with signal_wake_up().
+         */
+        smp_mb__before_spinlock();
        raw_spin_lock_irq(&rq->lock);
        switch_count = &prev->nivcsw;
@@ -2796,8 +2813,8 @@ EXPORT_SYMBOL(wait_for_completion);
 * specified timeout to expire. The timeout is in jiffies. It is not
 * interruptible.
 *
- * The return value is 0 if timed out, and positive (at least 1, or number of
+ * Return: 0 if timed out, and positive (at least 1, or number of jiffies left
- * jiffies left till timeout) if completed.
+ * till timeout) if completed.
 */
 unsigned long __sched
 wait_for_completion_timeout(struct completion *x, unsigned long timeout)
@@ -2829,8 +2846,8 @@ EXPORT_SYMBOL(wait_for_completion_io);
 * specified timeout to expire. The timeout is in jiffies. It is not
 * interruptible. The caller is accounted as waiting for IO.
 *
- * The return value is 0 if timed out, and positive (at least 1, or number of
+ * Return: 0 if timed out, and positive (at least 1, or number of jiffies left
- * jiffies left till timeout) if completed.
+ * till timeout) if completed.
 */
 unsigned long __sched
 wait_for_completion_io_timeout(struct completion *x, unsigned long timeout)
@@ -2846,7 +2863,7 @@ EXPORT_SYMBOL(wait_for_completion_io_timeout);
 * This waits for completion of a specific task to be signaled. It is
 * interruptible.
 *
- * The return value is -ERESTARTSYS if interrupted, 0 if completed.
+ * Return: -ERESTARTSYS if interrupted, 0 if completed.
 */
 int __sched wait_for_completion_interruptible(struct completion *x)
 {
@@ -2865,8 +2882,8 @@ EXPORT_SYMBOL(wait_for_completion_interruptible);
 * This waits for either a completion of a specific task to be signaled or for a
 * specified timeout to expire. It is interruptible. The timeout is in jiffies.
 *
- * The return value is -ERESTARTSYS if interrupted, 0 if timed out,
+ * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1,
- * positive (at least 1, or number of jiffies left till timeout) if completed.
+ * or number of jiffies left till timeout) if completed.
 */
 long __sched
 wait_for_completion_interruptible_timeout(struct completion *x,
@@ -2883,7 +2900,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible_timeout);
 * This waits to be signaled for completion of a specific task. It can be
 * interrupted by a kill signal.
 *
- * The return value is -ERESTARTSYS if interrupted, 0 if completed.
+ * Return: -ERESTARTSYS if interrupted, 0 if completed.
 */
 int __sched wait_for_completion_killable(struct completion *x)
 {
@@ -2903,8 +2920,8 @@ EXPORT_SYMBOL(wait_for_completion_killable);
 * signaled or for a specified timeout to expire. It can be
 * interrupted by a kill signal. The timeout is in jiffies.
 *
- * The return value is -ERESTARTSYS if interrupted, 0 if timed out,
+ * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1,
- * positive (at least 1, or number of jiffies left till timeout) if completed.
+ * or number of jiffies left till timeout) if completed.
 */
 long __sched
 wait_for_completion_killable_timeout(struct completion *x,
@@ -2918,7 +2935,7 @@ EXPORT_SYMBOL(wait_for_completion_killable_timeout);
 *      try_wait_for_completion - try to decrement a completion without blocking
 *      @x:     completion structure
 *
- *      Returns: 0 if a decrement cannot be done without blocking
+ *      Return: 0 if a decrement cannot be done without blocking
 *               1 if a decrement succeeded.
 *
 *      If a completion is being used as a counting completion,
@@ -2945,7 +2962,7 @@ EXPORT_SYMBOL(try_wait_for_completion);
 *      completion_done - Test to see if a completion has any waiters
 *      @x:     completion structure
 *
- *      Returns: 0 if there are waiters (wait_for_completion() in progress)
+ *      Return: 0 if there are waiters (wait_for_completion() in progress)
 *               1 if there are no waiters.
 *
 */
@@ -3182,7 +3199,7 @@ SYSCALL_DEFINE1(nice, int, increment)
 * task_prio - return the priority value of a given task.
 * @p: the task in question.
 *
- * This is the priority value as seen by users in /proc.
+ * Return: The priority value as seen by users in /proc.
 * RT tasks are offset by -200. Normal tasks are centered
 * around 0, value goes from -16 to +15.
 */
@@ -3194,6 +3211,8 @@ int task_prio(const struct task_struct *p)
 /**
 * task_nice - return the nice value of a given task.
 * @p: the task in question.
+ *
+ * Return: The nice value [ -20 ... 0 ... 19 ].
 */
 int task_nice(const struct task_struct *p)
 {
@@ -3204,6 +3223,8 @@ EXPORT_SYMBOL(task_nice);
 /**
 * idle_cpu - is a given cpu idle currently?
 * @cpu: the processor in question.
+ *
+ * Return: 1 if the CPU is currently idle. 0 otherwise.
 */
 int idle_cpu(int cpu)
 {
@@ -3226,6 +3247,8 @@ int idle_cpu(int cpu)
 /**
 * idle_task - return the idle task for a given cpu.
 * @cpu: the processor in question.
+ *
+ * Return: The idle task for the cpu @cpu.
 */
 struct task_struct *idle_task(int cpu)
 {
@@ -3235,6 +3258,8 @@ struct task_struct *idle_task(int cpu)
 /**
 * find_process_by_pid - find a process with a matching PID value.
 * @pid: the pid in question.
+ *
+ * The task of @pid, if found. %NULL otherwise.
 */
 static struct task_struct *find_process_by_pid(pid_t pid)
 {
@@ -3432,6 +3457,8 @@ recheck:
 * @policy: new policy.
 * @param: structure containing the new RT priority.
 *
+ * Return: 0 on success. An error code otherwise.
+ *
 * NOTE that the task may be already dead.
 */
 int sched_setscheduler(struct task_struct *p, int policy,
@@ -3451,6 +3478,8 @@ EXPORT_SYMBOL_GPL(sched_setscheduler);
 * current context has permission.  For example, this is needed in
 * stop_machine(): we create temporary high priority worker threads,
 * but our caller might not have that capability.
+ *
+ * Return: 0 on success. An error code otherwise.
 */
 int sched_setscheduler_nocheck(struct task_struct *p, int policy,
                               const struct sched_param *param)
@@ -3485,6 +3514,8 @@ do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param)
 * @pid: the pid in question.
 * @policy: new policy.
 * @param: structure containing the new RT priority.
+ *
+ * Return: 0 on success. An error code otherwise.
 */
 SYSCALL_DEFINE3(sched_setscheduler, pid_t, pid, int, policy,
                struct sched_param __user *, param)
@@ -3500,6 +3531,8 @@ SYSCALL_DEFINE3(sched_setscheduler, pid_t, pid, int, policy,
 * sys_sched_setparam - set/change the RT priority of a thread
 * @pid: the pid in question.
 * @param: structure containing the new RT priority.
+ *
+ * Return: 0 on success. An error code otherwise.
 */
 SYSCALL_DEFINE2(sched_setparam, pid_t, pid, struct sched_param __user *, param)
 {
@@ -3509,6 +3542,9 @@ SYSCALL_DEFINE2(sched_setparam, pid_t, pid, struct sched_param __user *, param)
 /**
 * sys_sched_getscheduler - get the policy (scheduling class) of a thread
 * @pid: the pid in question.
+ *
+ * Return: On success, the policy of the thread. Otherwise, a negative error
+ * code.
 */
 SYSCALL_DEFINE1(sched_getscheduler, pid_t, pid)
 {
@@ -3535,6 +3571,9 @@ SYSCALL_DEFINE1(sched_getscheduler, pid_t, pid)
 * sys_sched_getparam - get the RT priority of a thread
 * @pid: the pid in question.
 * @param: structure containing the RT priority.
+ *
+ * Return: On success, 0 and the RT priority is in @param. Otherwise, an error
+ * code.
 */
 SYSCALL_DEFINE2(sched_getparam, pid_t, pid, struct sched_param __user *, param)
 {
@@ -3659,6 +3698,8 @@ static int get_user_cpu_mask(unsigned long __user *user_mask_ptr, unsigned len,
 * @pid: pid of the process
 * @len: length in bytes of the bitmask pointed to by user_mask_ptr
 * @user_mask_ptr: user-space pointer to the new cpu mask
+ *
+ * Return: 0 on success. An error code otherwise.
 */
 SYSCALL_DEFINE3(sched_setaffinity, pid_t, pid, unsigned int, len,
                unsigned long __user *, user_mask_ptr)
@@ -3710,6 +3751,8 @@ out_unlock:
 * @pid: pid of the process
 * @len: length in bytes of the bitmask pointed to by user_mask_ptr
 * @user_mask_ptr: user-space pointer to hold the current cpu mask
+ *
+ * Return: 0 on success. An error code otherwise.
 */
 SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len,
                unsigned long __user *, user_mask_ptr)
@@ -3744,6 +3787,8 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len,
 *
 * This function yields the current CPU to other tasks. If there are no
 * other threads running on this CPU then this function will return.
+ *
+ * Return: 0.
 */
 SYSCALL_DEFINE0(sched_yield)
 {
@@ -3869,7 +3914,7 @@ EXPORT_SYMBOL(yield);
 * It's the caller's job to ensure that the target task struct
 * can't go away on us before we can do any checks.
 *
- * Returns:
+ * Return:
 *      true (>0) if we indeed boosted the target task.
 *      false (0) if we failed to boost the target.
 *      -ESRCH if there's no task to yield to.
@@ -3972,8 +4017,9 @@ long __sched io_schedule_timeout(long timeout)
 * sys_sched_get_priority_max - return maximum RT priority.
 * @policy: scheduling class.
 *
- * this syscall returns the maximum rt_priority that can be used
+ * Return: On success, this syscall returns the maximum
- * by a given scheduling class.
+ * rt_priority that can be used by a given scheduling class.
+ * On failure, a negative error code is returned.
 */
 SYSCALL_DEFINE1(sched_get_priority_max, int, policy)
 {
@@ -3997,8 +4043,9 @@ SYSCALL_DEFINE1(sched_get_priority_max, int, policy)
 * sys_sched_get_priority_min - return minimum RT priority.
 * @policy: scheduling class.
 *
- * this syscall returns the minimum rt_priority that can be used
+ * Return: On success, this syscall returns the minimum
- * by a given scheduling class.
+ * rt_priority that can be used by a given scheduling class.
+ * On failure, a negative error code is returned.
 */
 SYSCALL_DEFINE1(sched_get_priority_min, int, policy)
 {
@@ -4024,6 +4071,9 @@ SYSCALL_DEFINE1(sched_get_priority_min, int, policy)
 *
 * this syscall writes the default timeslice value of a given process
 * into the user-space timespec buffer. A value of '0' means infinity.
+ *
+ * Return: On success, 0 and the timeslice is in @interval. Otherwise,
+ * an error code.
 */
 SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid,
                struct timespec __user *, interval)
@@ -6632,6 +6682,8 @@ void normalize_rt_tasks(void)
 * @cpu: the processor in question.
 *
 * ONLY VALID WHEN THE WHOLE SYSTEM IS STOPPED!
+ *
+ * Return: The current task for @cpu.
 */
 struct task_struct *curr_task(int cpu)
 {
diff --git a/kernel/sched/cpupri.c b/kernel/sched/cpupri.c
index 1095e878a46f..8b836b376d91 100644
--- a/kernel/sched/cpupri.c
+++ b/kernel/sched/cpupri.c
@@ -62,7 +62,7 @@ static int convert_prio(int prio)
 * any discrepancies created by racing against the uncertainty of the current
 * priority configuration.
 *
- * Returns: (int)bool - CPUs were found
+ * Return: (int)bool - CPUs were found
 */
 int cpupri_find(struct cpupri *cp, struct task_struct *p,
                struct cpumask *lowest_mask)
@@ -203,7 +203,7 @@ void cpupri_set(struct cpupri *cp, int cpu, int newpri)
 * cpupri_init - initialize the cpupri structure
 * @cp: The cpupri context
 *
- * Returns: -ENOMEM if memory fails.
+ * Return: -ENOMEM on memory allocation failure.
 */
 int cpupri_init(struct cpupri *cp)
 {
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 9565645e3202..68f1609ca149 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2032,6 +2032,7 @@ entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr, int queued)
         */
        update_entity_load_avg(curr, 1);
        update_cfs_rq_blocked_load(cfs_rq, 1);
+        update_cfs_shares(cfs_rq);
 #ifdef CONFIG_SCHED_HRTICK
        /*
@@ -4280,6 +4281,8 @@ struct sg_lb_stats {
 * get_sd_load_idx - Obtain the load index for a given sched domain.
 * @sd: The sched_domain whose load_idx is to be obtained.
 * @idle: The Idle status of the CPU for whose sd load_icx is obtained.
+ *
+ * Return: The load index.
 */
 static inline int get_sd_load_idx(struct sched_domain *sd,
                                        enum cpu_idle_type idle)
@@ -4574,6 +4577,9 @@ static inline void update_sg_lb_stats(struct lb_env *env,
 *
 * Determine if @sg is a busier group than the previously selected
 * busiest group.
+ *
+ * Return: %true if @sg is a busier group than the previously selected
+ * busiest group. %false otherwise.
 */
 static bool update_sd_pick_busiest(struct lb_env *env,
                                   struct sd_lb_stats *sds,
@@ -4691,7 +4697,7 @@ static inline void update_sd_lb_stats(struct lb_env *env,
 * assuming lower CPU number will be equivalent to lower a SMT thread
 * number.
 *
- * Returns 1 when packing is required and a task should be moved to
+ * Return: 1 when packing is required and a task should be moved to
 * this CPU.  The amount of the imbalance is returned in *imbalance.
 *
 * @env: The load balancing environment.
@@ -4869,7 +4875,7 @@ static inline void calculate_imbalance(struct lb_env *env, struct sd_lb_stats *s
 * @balance: Pointer to a variable indicating if this_cpu
 *      is the appropriate cpu to perform load balancing at this_level.
 *
- * Returns:     - the busiest group if imbalance exists.
+ * Return:      - The busiest group if imbalance exists.
 *              - If no imbalance and user has opted for power-savings balance,
 *                 return the least loaded group whose CPUs can be
 *                 put to idle by rebalancing its tasks onto our group.
diff --git a/kernel/wait.c b/kernel/wait.c
index dec68bd4e9d8..d550920e040c 100644
--- a/kernel/wait.c
+++ b/kernel/wait.c
@@ -363,8 +363,7 @@ EXPORT_SYMBOL(out_of_line_wait_on_atomic_t);
 /**
 * wake_up_atomic_t - Wake up a waiter on a atomic_t
- * @word: The word being waited on, a kernel virtual address
+ * @p: The atomic_t being waited on, a kernel virtual address
- * @bit: The bit of the word being waited on
 *
 * Wake up anyone waiting for the atomic_t to go to zero.
 *
diff --git a/mm/fremap.c b/mm/fremap.c
index 87da3590c61e..5bff08147768 100644
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -57,17 +57,22 @@ static int install_file_pte(struct mm_struct *mm, struct vm_area_struct *vma,
                unsigned long addr, unsigned long pgoff, pgprot_t prot)
 {
        int err = -ENOMEM;
-        pte_t *pte;
+        pte_t *pte, ptfile;
        spinlock_t *ptl;
        pte = get_locked_pte(mm, addr, &ptl);
        if (!pte)
                goto out;
-        if (!pte_none(*pte))
+        ptfile = pgoff_to_pte(pgoff);
+        if (!pte_none(*pte)) {
+                if (pte_present(*pte) && pte_soft_dirty(*pte))
+                        pte_file_mksoft_dirty(ptfile);
                zap_pte(mm, vma, addr, pte);
+        }
-        set_pte_at(mm, addr, pte, pgoff_to_pte(pgoff));
+        set_pte_at(mm, addr, pte, ptfile);
        /*
         * We don't need to run update_mmu_cache() here because the "file pte"
         * being installed by install_file_pte() is not a real pte - it's a
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 83aff0a4d093..b60f33080a28 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2490,7 +2490,7 @@ void unmap_hugepage_range(struct vm_area_struct *vma, unsigned long start,
        mm = vma->vm_mm;
-        tlb_gather_mmu(&tlb, mm, 0);
+        tlb_gather_mmu(&tlb, mm, start, end);
        __unmap_hugepage_range(&tlb, vma, start, end, ref_page);
        tlb_finish_mmu(&tlb, start, end);
 }
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index c290a1cf3862..c5792a5d87ce 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3195,11 +3195,11 @@ int memcg_register_cache(struct mem_cgroup *memcg, struct kmem_cache *s,
        if (!s->memcg_params)
                return -ENOMEM;
-        INIT_WORK(&s->memcg_params->destroy,
-                        kmem_cache_destroy_work_func);
        if (memcg) {
                s->memcg_params->memcg = memcg;
                s->memcg_params->root_cache = root_cache;
+                INIT_WORK(&s->memcg_params->destroy,
+                                kmem_cache_destroy_work_func);
        } else
                s->memcg_params->is_root_cache = true;
diff --git a/mm/memory.c b/mm/memory.c
index 1ce2e2a734fc..af84bc0ec17c 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -209,14 +209,15 @@ static int tlb_next_batch(struct mmu_gather *tlb)
 *      tear-down from @mm. The @fullmm argument is used when @mm is without
 *      users and we're going to destroy the full address space (exit/execve).
 */
-void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, bool fullmm)
+void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, unsigned long start, unsigned long end)
 {
        tlb->mm = mm;
-        tlb->fullmm     = fullmm;
+        /* Is it from 0 to ~0? */
+        tlb->fullmm     = !(start | (end+1));
        tlb->need_flush_all = 0;
-        tlb->start      = -1UL;
+        tlb->start      = start;
-        tlb->end        = 0;
+        tlb->end        = end;
        tlb->need_flush = 0;
        tlb->local.next = NULL;
        tlb->local.nr   = 0;
@@ -256,8 +257,6 @@ void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long e
 {
        struct mmu_gather_batch *batch, *next;
-        tlb->start = start;
-        tlb->end   = end;
        tlb_flush_mmu(tlb);
        /* keep the page table cache within bounds */
@@ -1099,7 +1098,6 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
        spinlock_t *ptl;
        pte_t *start_pte;
        pte_t *pte;
-        unsigned long range_start = addr;
 again:
        init_rss_vec(rss);
@@ -1141,9 +1139,12 @@ again:
                                continue;
                        if (unlikely(details) && details->nonlinear_vma
                            && linear_page_index(details->nonlinear_vma,
-                                                addr) != page->index)
+                                                addr) != page->index) {
-                                set_pte_at(mm, addr, pte,
+                                pte_t ptfile = pgoff_to_pte(page->index);
-                                           pgoff_to_pte(page->index));
+                                if (pte_soft_dirty(ptent))
+                                        pte_file_mksoft_dirty(ptfile);
+                                set_pte_at(mm, addr, pte, ptfile);
+                        }
                        if (PageAnon(page))
                                rss[MM_ANONPAGES]--;
                        else {
@@ -1202,17 +1203,25 @@ again:
         * and page-free while holding it.
         */
        if (force_flush) {
+                unsigned long old_end;
                force_flush = 0;
-#ifdef HAVE_GENERIC_MMU_GATHER
+                /*
-                tlb->start = range_start;
+                 * Flush the TLB just for the previous segment,
+                 * then update the range to be the remaining
+                 * TLB range.
+                 */
+                old_end = tlb->end;
                tlb->end = addr;
-#endif
                tlb_flush_mmu(tlb);
-                if (addr != end) {
-                        range_start = addr;
+                tlb->start = addr;
+                tlb->end = old_end;
+                if (addr != end)
                        goto again;
-                }
        }
        return addr;
@@ -1397,7 +1406,7 @@ void zap_page_range(struct vm_area_struct *vma, unsigned long start,
        unsigned long end = start + size;
        lru_add_drain();
-        tlb_gather_mmu(&tlb, mm, 0);
+        tlb_gather_mmu(&tlb, mm, start, end);
        update_hiwater_rss(mm);
        mmu_notifier_invalidate_range_start(mm, start, end);
        for ( ; vma && vma->vm_start < end; vma = vma->vm_next)
@@ -1423,7 +1432,7 @@ static void zap_page_range_single(struct vm_area_struct *vma, unsigned long addr
        unsigned long end = address + size;
        lru_add_drain();
-        tlb_gather_mmu(&tlb, mm, 0);
+        tlb_gather_mmu(&tlb, mm, address, end);
        update_hiwater_rss(mm);
        mmu_notifier_invalidate_range_start(mm, address, end);
        unmap_single_vma(&tlb, vma, address, end, details);
@@ -3115,6 +3124,8 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
                exclusive = 1;
        }
        flush_icache_page(vma, page);
+        if (pte_swp_soft_dirty(orig_pte))
+                pte = pte_mksoft_dirty(pte);
        set_pte_at(mm, address, page_table, pte);
        if (page == swapcache)
                do_page_add_anon_rmap(page, vma, address, exclusive);
@@ -3408,6 +3419,8 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
                entry = mk_pte(page, vma->vm_page_prot);
                if (flags & FAULT_FLAG_WRITE)
                        entry = maybe_mkwrite(pte_mkdirty(entry), vma);
+                else if (pte_file(orig_pte) && pte_file_soft_dirty(orig_pte))
+                        pte_mksoft_dirty(entry);
                if (anon) {
                        inc_mm_counter_fast(mm, MM_ANONPAGES);
                        page_add_new_anon_rmap(page, vma, address);
diff --git a/mm/mmap.c b/mm/mmap.c
index 1edbaa3136c3..f9c97d10b873 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2336,7 +2336,7 @@ static void unmap_region(struct mm_struct *mm,
        struct mmu_gather tlb;
        lru_add_drain();
-        tlb_gather_mmu(&tlb, mm, 0);
+        tlb_gather_mmu(&tlb, mm, start, end);
        update_hiwater_rss(mm);
        unmap_vmas(&tlb, vma, start, end);
        free_pgtables(&tlb, vma, prev ? prev->vm_end : FIRST_USER_ADDRESS,
@@ -2709,7 +2709,7 @@ void exit_mmap(struct mm_struct *mm)
        lru_add_drain();
        flush_cache_mm(mm);
-        tlb_gather_mmu(&tlb, mm, 1);
+        tlb_gather_mmu(&tlb, mm, 0, -1);
        /* update_hiwater_rss(mm) here? but nobody should be looking */
        /* Use -1 here to ensure all VMAs in the mm are unmapped */
        unmap_vmas(&tlb, vma, 0, -1);
diff --git a/mm/rmap.c b/mm/rmap.c
index cd356df4f71a..b2e29acd7e3d 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -1236,6 +1236,7 @@ int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
                           swp_entry_to_pte(make_hwpoison_entry(page)));
        } else if (PageAnon(page)) {
                swp_entry_t entry = { .val = page_private(page) };
+                pte_t swp_pte;
                if (PageSwapCache(page)) {
                        /*
@@ -1264,7 +1265,10 @@ int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
                        BUG_ON(TTU_ACTION(flags) != TTU_MIGRATION);
                        entry = make_migration_entry(page, pte_write(pteval));
                }
-                set_pte_at(mm, address, pte, swp_entry_to_pte(entry));
+                swp_pte = swp_entry_to_pte(entry);
+                if (pte_soft_dirty(pteval))
+                        swp_pte = pte_swp_mksoft_dirty(swp_pte);
+                set_pte_at(mm, address, pte, swp_pte);
                BUG_ON(pte_file(*pte));
        } else if (IS_ENABLED(CONFIG_MIGRATION) &&
                   (TTU_ACTION(flags) == TTU_MIGRATION)) {
@@ -1401,8 +1405,12 @@ static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount,
                pteval = ptep_clear_flush(vma, address, pte);
                /* If nonlinear, store the file page offset in the pte. */
-                if (page->index != linear_page_index(vma, address))
+                if (page->index != linear_page_index(vma, address)) {
-                        set_pte_at(mm, address, pte, pgoff_to_pte(page->index));
+                        pte_t ptfile = pgoff_to_pte(page->index);
+                        if (pte_soft_dirty(pteval))
+                                pte_file_mksoft_dirty(ptfile);
+                        set_pte_at(mm, address, pte, ptfile);
+                }
                /* Move the dirty bit to the physical page now the pte is gone. */
                if (pte_dirty(pteval))
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 36af6eeaa67e..6cf2e60983b7 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -866,6 +866,21 @@ unsigned int count_swap_pages(int type, int free)
 }
 #endif /* CONFIG_HIBERNATION */
+static inline int maybe_same_pte(pte_t pte, pte_t swp_pte)
+{
+#ifdef CONFIG_MEM_SOFT_DIRTY
+        /*
+         * When pte keeps soft dirty bit the pte generated
+         * from swap entry does not has it, still it's same
+         * pte from logical point of view.
+         */
+        pte_t swp_pte_dirty = pte_swp_mksoft_dirty(swp_pte);
+        return pte_same(pte, swp_pte) || pte_same(pte, swp_pte_dirty);
+#else
+        return pte_same(pte, swp_pte);
+#endif
+}
 /*
 * No need to decide whether this PTE shares the swap entry with others,
 * just let do_wp_page work it out if a write is requested later - to
@@ -892,7 +907,7 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd,
        }
        pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
-        if (unlikely(!pte_same(*pte, swp_entry_to_pte(entry)))) {
+        if (unlikely(!maybe_same_pte(*pte, swp_entry_to_pte(entry)))) {
                mem_cgroup_cancel_charge_swapin(memcg);
                ret = 0;
                goto out;
@@ -947,7 +962,7 @@ static int unuse_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
                 * swapoff spends a _lot_ of time in this loop!
                 * Test inline before going to call unuse_pte.
                 */
-                if (unlikely(pte_same(*pte, swp_pte))) {
+                if (unlikely(maybe_same_pte(*pte, swp_pte))) {
                        pte_unmap(pte);
                        ret = unuse_pte(vma, pmd, addr, entry, page);
                        if (ret)
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 4a78c4de9f20..6ee48aac776f 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -91,7 +91,12 @@ EXPORT_SYMBOL(__vlan_find_dev_deep);
 struct net_device *vlan_dev_real_dev(const struct net_device *dev)
 {
-        return vlan_dev_priv(dev)->real_dev;
+        struct net_device *ret = vlan_dev_priv(dev)->real_dev;
+        while (is_vlan_dev(ret))
+                ret = vlan_dev_priv(ret)->real_dev;
+        return ret;
 }
 EXPORT_SYMBOL(vlan_dev_real_dev);
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index e14531f1ce1c..264de88db320 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -1529,6 +1529,8 @@ out:
 * in these cases, the skb is further handled by this function and
 * returns 1, otherwise it returns 0 and the caller shall further
 * process the skb.
+ *
+ * This call might reallocate skb data.
 */
 int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
                  unsigned short vid)
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index f105219f4a4b..7614af31daff 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -508,6 +508,7 @@ out:
        return 0;
 }
+/* this call might reallocate skb data */
 static bool batadv_is_type_dhcprequest(struct sk_buff *skb, int header_len)
 {
        int ret = false;
@@ -568,6 +569,7 @@ out:
        return ret;
 }
+/* this call might reallocate skb data */
 bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len)
 {
        struct ethhdr *ethhdr;
@@ -619,6 +621,12 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len)
        if (!pskb_may_pull(skb, *header_len + sizeof(*udphdr)))
                return false;
+        /* skb->data might have been reallocated by pskb_may_pull() */
+        ethhdr = (struct ethhdr *)skb->data;
+        if (ntohs(ethhdr->h_proto) == ETH_P_8021Q)
+                ethhdr = (struct ethhdr *)(skb->data + VLAN_HLEN);
        udphdr = (struct udphdr *)(skb->data + *header_len);
        *header_len += sizeof(*udphdr);
@@ -634,12 +642,14 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len)
        return true;
 }
+/* this call might reallocate skb data */
 bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
-                            struct sk_buff *skb, struct ethhdr *ethhdr)
+                            struct sk_buff *skb)
 {
        struct batadv_neigh_node *neigh_curr = NULL, *neigh_old = NULL;
        struct batadv_orig_node *orig_dst_node = NULL;
        struct batadv_gw_node *curr_gw = NULL;
+        struct ethhdr *ethhdr;
        bool ret, out_of_range = false;
        unsigned int header_len = 0;
        uint8_t curr_tq_avg;
@@ -648,6 +658,7 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
        if (!ret)
                goto out;
+        ethhdr = (struct ethhdr *)skb->data;
        orig_dst_node = batadv_transtable_search(bat_priv, ethhdr->h_source,
                                                 ethhdr->h_dest);
        if (!orig_dst_node)
diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h
index 039902dca4a6..1037d75da51f 100644
--- a/net/batman-adv/gateway_client.h
+++ b/net/batman-adv/gateway_client.h
@@ -34,7 +34,6 @@ void batadv_gw_node_delete(struct batadv_priv *bat_priv,
 void batadv_gw_node_purge(struct batadv_priv *bat_priv);
 int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset);
 bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len);
-bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
+bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb);
-                            struct sk_buff *skb, struct ethhdr *ethhdr);
 #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 700d0b49742d..0f04e1c302b4 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -180,6 +180,9 @@ static int batadv_interface_tx(struct sk_buff *skb,
        if (batadv_bla_tx(bat_priv, skb, vid))
                goto dropped;
+        /* skb->data might have been reallocated by batadv_bla_tx() */
+        ethhdr = (struct ethhdr *)skb->data;
        /* Register the client MAC in the transtable */
        if (!is_multicast_ether_addr(ethhdr->h_source))
                batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif);
@@ -220,6 +223,10 @@ static int batadv_interface_tx(struct sk_buff *skb,
                default:
                        break;
                }
+                /* reminder: ethhdr might have become unusable from here on
+                 * (batadv_gw_is_dhcp_target() might have reallocated skb data)
+                 */
        }
        /* ethernet packet should be broadcasted */
@@ -266,7 +273,7 @@ static int batadv_interface_tx(struct sk_buff *skb,
        /* unicast packet */
        } else {
                if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_OFF) {
-                        ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr);
+                        ret = batadv_gw_out_of_range(bat_priv, skb);
                        if (ret)
                                goto dropped;
                }
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index dc8b5d4dd636..688a0419756b 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -326,7 +326,9 @@ static bool batadv_unicast_push_and_fill_skb(struct sk_buff *skb, int hdr_size,
 * @skb: the skb containing the payload to encapsulate
 * @orig_node: the destination node
 *
- * Returns false if the payload could not be encapsulated or true otherwise
+ * Returns false if the payload could not be encapsulated or true otherwise.
+ *
+ * This call might reallocate skb data.
 */
 static bool batadv_unicast_prepare_skb(struct sk_buff *skb,
                                       struct batadv_orig_node *orig_node)
@@ -343,7 +345,9 @@ static bool batadv_unicast_prepare_skb(struct sk_buff *skb,
 * @orig_node: the destination node
 * @packet_subtype: the batman 4addr packet subtype to use
 *
- * Returns false if the payload could not be encapsulated or true otherwise
+ * Returns false if the payload could not be encapsulated or true otherwise.
+ *
+ * This call might reallocate skb data.
 */
 bool batadv_unicast_4addr_prepare_skb(struct batadv_priv *bat_priv,
                                      struct sk_buff *skb,
@@ -401,7 +405,7 @@ int batadv_unicast_generic_send_skb(struct batadv_priv *bat_priv,
        struct batadv_neigh_node *neigh_node;
        int data_len = skb->len;
        int ret = NET_RX_DROP;
-        unsigned int dev_mtu;
+        unsigned int dev_mtu, header_len;
        /* get routing information */
        if (is_multicast_ether_addr(ethhdr->h_dest)) {
@@ -429,10 +433,12 @@ find_router:
        switch (packet_type) {
        case BATADV_UNICAST:
                batadv_unicast_prepare_skb(skb, orig_node);
+                header_len = sizeof(struct batadv_unicast_packet);
                break;
        case BATADV_UNICAST_4ADDR:
                batadv_unicast_4addr_prepare_skb(bat_priv, skb, orig_node,
                                                 packet_subtype);
+                header_len = sizeof(struct batadv_unicast_4addr_packet);
                break;
        default:
                /* this function supports UNICAST and UNICAST_4ADDR only. It
@@ -441,6 +447,7 @@ find_router:
                goto out;
        }
+        ethhdr = (struct ethhdr *)(skb->data + header_len);
        unicast_packet = (struct batadv_unicast_packet *)skb->data;
        /* inform the destination node that we are still missing a correct route
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 61c5e819380e..08e576ada0b2 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1195,7 +1195,7 @@ static int br_ip6_multicast_query(struct net_bridge *br,
                max_delay = msecs_to_jiffies(ntohs(mld->mld_maxdelay));
                if (max_delay)
                        group = &mld->mld_mca;
-        } else if (skb->len >= sizeof(*mld2q)) {
+        } else {
                if (!pskb_may_pull(skb, sizeof(*mld2q))) {
                        err = -EINVAL;
                        goto out;
diff --git a/net/bridge/br_sysfs_br.c b/net/bridge/br_sysfs_br.c
index 394bb96b6087..3b9637fb7939 100644
--- a/net/bridge/br_sysfs_br.c
+++ b/net/bridge/br_sysfs_br.c
@@ -1,5 +1,5 @@
 /*
- *      Sysfs attributes of bridge ports
+ *      Sysfs attributes of bridge
 *      Linux ethernet bridge
 *
 *      Authors:
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 00ee068efc1c..b84a1b155bc1 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -65,6 +65,7 @@ ipv6:
                nhoff += sizeof(struct ipv6hdr);
                break;
        }
+        case __constant_htons(ETH_P_8021AD):
        case __constant_htons(ETH_P_8021Q): {
                const struct vlan_hdr *vlan;
                struct vlan_hdr _vlan;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 9232c68941ab..60533db8b72d 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1441,16 +1441,18 @@ struct neigh_parms *neigh_parms_alloc(struct net_device *dev,
                atomic_set(&p->refcnt, 1);
                p->reachable_time =
                                neigh_rand_reach_time(p->base_reachable_time);
+                dev_hold(dev);
+                p->dev = dev;
+                write_pnet(&p->net, hold_net(net));
+                p->sysctl_table = NULL;
                if (ops->ndo_neigh_setup && ops->ndo_neigh_setup(dev, p)) {
+                        release_net(net);
+                        dev_put(dev);
                        kfree(p);
                        return NULL;
                }
-                dev_hold(dev);
-                p->dev = dev;
-                write_pnet(&p->net, hold_net(net));
-                p->sysctl_table = NULL;
                write_lock_bh(&tbl->lock);
                p->next         = tbl->parms.next;
                tbl->parms.next = p;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 3de740834d1f..ca198c1d1d30 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2156,7 +2156,7 @@ int ndo_dflt_fdb_del(struct ndmsg *ndm,
        /* If aging addresses are supported device will need to
         * implement its own handler for this.
         */
-        if (ndm->ndm_state & NUD_PERMANENT) {
+        if (!(ndm->ndm_state & NUD_PERMANENT)) {
                pr_info("%s: FDB only supports static addresses\n", dev->name);
                return -EINVAL;
        }
@@ -2384,7 +2384,7 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb)
        struct nlattr *extfilt;
        u32 filter_mask = 0;
-        extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct rtgenmsg),
+        extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct ifinfomsg),
                                  IFLA_EXT_MASK);
        if (extfilt)
                filter_mask = nla_get_u32(extfilt);
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index ab3d814bc80a..109ee89f123e 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -477,7 +477,7 @@ static u32 esp4_get_mtu(struct xfrm_state *x, int mtu)
        }
        return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) -
-                 net_adj) & ~(align - 1)) + (net_adj - 2);
+                 net_adj) & ~(align - 1)) + net_adj - 2;
 }
 static void esp4_err(struct sk_buff *skb, u32 info)
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 108a1e9c9eac..3df6d3edb2a1 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -71,7 +71,6 @@
 #include <linux/init.h>
 #include <linux/list.h>
 #include <linux/slab.h>
-#include <linux/prefetch.h>
 #include <linux/export.h>
 #include <net/net_namespace.h>
 #include <net/ip.h>
@@ -1761,10 +1760,8 @@ static struct leaf *leaf_walk_rcu(struct tnode *p, struct rt_trie_node *c)
                        if (!c)
                                continue;
-                        if (IS_LEAF(c)) {
+                        if (IS_LEAF(c))
-                                prefetch(rcu_dereference_rtnl(p->child[idx]));
                                return (struct leaf *) c;
-                        }
                        /* Rescan start scanning in new node */
                        p = (struct tnode *) c;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 1f6eab66f7ce..8d6939eeb492 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -383,7 +383,7 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev,
        if (daddr)
                memcpy(&iph->daddr, daddr, 4);
        if (iph->daddr)
-                return t->hlen;
+                return t->hlen + sizeof(*iph);
        return -(t->hlen + sizeof(*iph));
 }
diff --git a/net/ipv4/ip_tunnel_core.c b/net/ipv4/ip_tunnel_core.c
index 7167b08977df..850525b34899 100644
--- a/net/ipv4/ip_tunnel_core.c
+++ b/net/ipv4/ip_tunnel_core.c
@@ -76,9 +76,7 @@ int iptunnel_xmit(struct net *net, struct rtable *rt,
        iph->daddr      =       dst;
        iph->saddr      =       src;
        iph->ttl        =       ttl;
-        tunnel_ip_select_ident(skb,
+        __ip_select_ident(iph, &rt->dst, (skb_shinfo(skb)->gso_segs ?: 1) - 1);
-                               (const struct iphdr *)skb_inner_network_header(skb),
-                               &rt->dst);
        err = ip_local_out(skb);
        if (unlikely(net_xmit_eval(err)))
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 6577a1149a47..463bd1273346 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -273,7 +273,7 @@ static const struct snmp_mib snmp4_net_list[] = {
        SNMP_MIB_ITEM("TCPFastOpenListenOverflow", LINUX_MIB_TCPFASTOPENLISTENOVERFLOW),
        SNMP_MIB_ITEM("TCPFastOpenCookieReqd", LINUX_MIB_TCPFASTOPENCOOKIEREQD),
        SNMP_MIB_ITEM("TCPSpuriousRtxHostQueues", LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES),
-        SNMP_MIB_ITEM("LowLatencyRxPackets", LINUX_MIB_LOWLATENCYRXPACKETS),
+        SNMP_MIB_ITEM("BusyPollRxPackets", LINUX_MIB_BUSYPOLLRXPACKETS),
        SNMP_MIB_SENTINEL
 };
diff --git a/net/ipv4/tcp_cubic.c b/net/ipv4/tcp_cubic.c
index a9077f441cb2..b6ae92a51f58 100644
--- a/net/ipv4/tcp_cubic.c
+++ b/net/ipv4/tcp_cubic.c
@@ -206,8 +206,8 @@ static u32 cubic_root(u64 a)
 */
 static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
 {
-        u64 offs;
+        u32 delta, bic_target, max_cnt;
-        u32 delta, t, bic_target, max_cnt;
+        u64 offs, t;
        ca->ack_cnt++;  /* count the number of ACKs */
@@ -250,9 +250,11 @@ static inline void bictcp_update(struct bictcp *ca, u32 cwnd)
         * if the cwnd < 1 million packets !!!
         */
+        t = (s32)(tcp_time_stamp - ca->epoch_start);
+        t += msecs_to_jiffies(ca->delay_min >> 3);
        /* change the unit from HZ to bictcp_HZ */
-        t = ((tcp_time_stamp + msecs_to_jiffies(ca->delay_min>>3)
+        t <<= BICTCP_HZ;
-              - ca->epoch_start) << BICTCP_HZ) / HZ;
+        do_div(t, HZ);
        if (t < ca->bic_K)              /* t - K */
                offs = ca->bic_K - t;
@@ -414,7 +416,7 @@ static void bictcp_acked(struct sock *sk, u32 cnt, s32 rtt_us)
                return;
        /* Discard delay samples right after fast recovery */
-        if ((s32)(tcp_time_stamp - ca->epoch_start) < HZ)
+        if (ca->epoch_start && (s32)(tcp_time_stamp - ca->epoch_start) < HZ)
                return;
        delay = (rtt_us << 3) / USEC_PER_MSEC;
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 40ffd72243a4..aeac0dc3635d 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -425,7 +425,7 @@ static u32 esp6_get_mtu(struct xfrm_state *x, int mtu)
                net_adj = 0;
        return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) -
-                 net_adj) & ~(align - 1)) + (net_adj - 2);
+                 net_adj) & ~(align - 1)) + net_adj - 2;
 }
 static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index bff3d821c7eb..c4ff5bbb45c4 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -993,14 +993,22 @@ static struct fib6_node * fib6_lookup_1(struct fib6_node *root,
                        if (ipv6_prefix_equal(&key->addr, args->addr, key->plen)) {
 #ifdef CONFIG_IPV6_SUBTREES
-                                if (fn->subtree)
+                                if (fn->subtree) {
-                                        fn = fib6_lookup_1(fn->subtree, args + 1);
+                                        struct fib6_node *sfn;
+                                        sfn = fib6_lookup_1(fn->subtree,
+                                                            args + 1);
+                                        if (!sfn)
+                                                goto backtrack;
+                                        fn = sfn;
+                                }
 #endif
-                                if (!fn || fn->fn_flags & RTN_RTINFO)
+                                if (fn->fn_flags & RTN_RTINFO)
                                        return fn;
                        }
                }
+#ifdef CONFIG_IPV6_SUBTREES
+backtrack:
+#endif
                if (fn->fn_flags & RTN_ROOT)
                        break;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index ae31968d42d3..cc9e02d79b55 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -31,10 +31,12 @@
 #include "led.h"
 #define IEEE80211_AUTH_TIMEOUT          (HZ / 5)
+#define IEEE80211_AUTH_TIMEOUT_LONG     (HZ / 2)
 #define IEEE80211_AUTH_TIMEOUT_SHORT    (HZ / 10)
 #define IEEE80211_AUTH_MAX_TRIES        3
 #define IEEE80211_AUTH_WAIT_ASSOC       (HZ * 5)
 #define IEEE80211_ASSOC_TIMEOUT         (HZ / 5)
+#define IEEE80211_ASSOC_TIMEOUT_LONG    (HZ / 2)
 #define IEEE80211_ASSOC_TIMEOUT_SHORT   (HZ / 10)
 #define IEEE80211_ASSOC_MAX_TRIES       3
@@ -209,8 +211,9 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
                             struct ieee80211_channel *channel,
                             const struct ieee80211_ht_operation *ht_oper,
                             const struct ieee80211_vht_operation *vht_oper,
-                             struct cfg80211_chan_def *chandef, bool verbose)
+                             struct cfg80211_chan_def *chandef, bool tracking)
 {
+        struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
        struct cfg80211_chan_def vht_chandef;
        u32 ht_cfreq, ret;
@@ -229,7 +232,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
        ht_cfreq = ieee80211_channel_to_frequency(ht_oper->primary_chan,
                                                  channel->band);
        /* check that channel matches the right operating channel */
-        if (channel->center_freq != ht_cfreq) {
+        if (!tracking && channel->center_freq != ht_cfreq) {
                /*
                 * It's possible that some APs are confused here;
                 * Netgear WNDR3700 sometimes reports 4 higher than
@@ -237,11 +240,10 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
                 * since we look at probe response/beacon data here
                 * it should be OK.
                 */
-                if (verbose)
+                sdata_info(sdata,
-                        sdata_info(sdata,
+                           "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n",
-                                   "Wrong control channel: center-freq: %d ht-cfreq: %d ht->primary_chan: %d band: %d - Disabling HT\n",
+                           channel->center_freq, ht_cfreq,
-                                   channel->center_freq, ht_cfreq,
+                           ht_oper->primary_chan, channel->band);
-                                   ht_oper->primary_chan, channel->band);
                ret = IEEE80211_STA_DISABLE_HT | IEEE80211_STA_DISABLE_VHT;
                goto out;
        }
@@ -295,7 +297,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
                                channel->band);
                break;
        default:
-                if (verbose)
+                if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
                        sdata_info(sdata,
                                   "AP VHT operation IE has invalid channel width (%d), disable VHT\n",
                                   vht_oper->chan_width);
@@ -304,7 +306,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
        }
        if (!cfg80211_chandef_valid(&vht_chandef)) {
-                if (verbose)
+                if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
                        sdata_info(sdata,
                                   "AP VHT information is invalid, disable VHT\n");
                ret = IEEE80211_STA_DISABLE_VHT;
@@ -317,7 +319,7 @@ ieee80211_determine_chantype(struct ieee80211_sub_if_data *sdata,
        }
        if (!cfg80211_chandef_compatible(chandef, &vht_chandef)) {
-                if (verbose)
+                if (!(ifmgd->flags & IEEE80211_STA_DISABLE_VHT))
                        sdata_info(sdata,
                                   "AP VHT information doesn't match HT, disable VHT\n");
                ret = IEEE80211_STA_DISABLE_VHT;
@@ -333,18 +335,27 @@ out:
        if (ret & IEEE80211_STA_DISABLE_VHT)
                vht_chandef = *chandef;
+        /*
+         * Ignore the DISABLED flag when we're already connected and only
+         * tracking the APs beacon for bandwidth changes - otherwise we
+         * might get disconnected here if we connect to an AP, update our
+         * regulatory information based on the AP's country IE and the
+         * information we have is wrong/outdated and disables the channel
+         * that we're actually using for the connection to the AP.
+         */
        while (!cfg80211_chandef_usable(sdata->local->hw.wiphy, chandef,
-                                        IEEE80211_CHAN_DISABLED)) {
+                                        tracking ? 0 :
+                                                   IEEE80211_CHAN_DISABLED)) {
                if (WARN_ON(chandef->width == NL80211_CHAN_WIDTH_20_NOHT)) {
                        ret = IEEE80211_STA_DISABLE_HT |
                              IEEE80211_STA_DISABLE_VHT;
-                        goto out;
+                        break;
                }
                ret |= chandef_downgrade(chandef);
        }
-        if (chandef->width != vht_chandef.width && verbose)
+        if (chandef->width != vht_chandef.width && !tracking)
                sdata_info(sdata,
                           "capabilities/regulatory prevented using AP HT/VHT configuration, downgraded\n");
@@ -384,7 +395,7 @@ static int ieee80211_config_bw(struct ieee80211_sub_if_data *sdata,
        /* calculate new channel (type) based on HT/VHT operation IEs */
        flags = ieee80211_determine_chantype(sdata, sband, chan, ht_oper,
-                                             vht_oper, &chandef, false);
+                                             vht_oper, &chandef, true);
        /*
         * Downgrade the new channel if we associated with restricted
@@ -3394,10 +3405,13 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata)
        if (tx_flags == 0) {
                auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT;
-                ifmgd->auth_data->timeout_started = true;
+                auth_data->timeout_started = true;
                run_again(sdata, auth_data->timeout);
        } else {
-                auth_data->timeout_started = false;
+                auth_data->timeout =
+                        round_jiffies_up(jiffies + IEEE80211_AUTH_TIMEOUT_LONG);
+                auth_data->timeout_started = true;
+                run_again(sdata, auth_data->timeout);
        }
        return 0;
@@ -3434,7 +3448,11 @@ static int ieee80211_do_assoc(struct ieee80211_sub_if_data *sdata)
                assoc_data->timeout_started = true;
                run_again(sdata, assoc_data->timeout);
        } else {
-                assoc_data->timeout_started = false;
+                assoc_data->timeout =
+                        round_jiffies_up(jiffies +
+                                         IEEE80211_ASSOC_TIMEOUT_LONG);
+                assoc_data->timeout_started = true;
+                run_again(sdata, assoc_data->timeout);
        }
        return 0;
@@ -3829,7 +3847,7 @@ static int ieee80211_prep_channel(struct ieee80211_sub_if_data *sdata,
        ifmgd->flags |= ieee80211_determine_chantype(sdata, sband,
                                                     cbss->channel,
                                                     ht_oper, vht_oper,
-                                                     &chandef, true);
+                                                     &chandef, false);
        sdata->needed_rx_chains = min(ieee80211_ht_vht_rx_chains(sdata, cbss),
                                      local->rx_chains);
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 7dcc376eea5f..2f8010707d01 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -526,7 +526,7 @@ static bool tcp_in_window(const struct nf_conn *ct,
        const struct nf_conntrack_tuple *tuple = &ct->tuplehash[dir].tuple;
        __u32 seq, ack, sack, end, win, swin;
        s16 receiver_offset;
-        bool res;
+        bool res, in_recv_win;
        /*
         * Get the required data from the packet.
@@ -649,14 +649,18 @@ static bool tcp_in_window(const struct nf_conn *ct,
                 receiver->td_end, receiver->td_maxend, receiver->td_maxwin,
                 receiver->td_scale);
+        /* Is the ending sequence in the receive window (if available)? */
+        in_recv_win = !receiver->td_maxwin ||
+                      after(end, sender->td_end - receiver->td_maxwin - 1);
        pr_debug("tcp_in_window: I=%i II=%i III=%i IV=%i\n",
                 before(seq, sender->td_maxend + 1),
-                 after(end, sender->td_end - receiver->td_maxwin - 1),
+                 (in_recv_win ? 1 : 0),
                 before(sack, receiver->td_end + 1),
                 after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1));
        if (before(seq, sender->td_maxend + 1) &&
-            after(end, sender->td_end - receiver->td_maxwin - 1) &&
+            in_recv_win &&
            before(sack, receiver->td_end + 1) &&
            after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1)) {
                /*
@@ -725,7 +729,7 @@ static bool tcp_in_window(const struct nf_conn *ct,
                        nf_log_packet(net, pf, 0, skb, NULL, NULL, NULL,
                        "nf_ct_tcp: %s ",
                        before(seq, sender->td_maxend + 1) ?
-                        after(end, sender->td_end - receiver->td_maxwin - 1) ?
+                        in_recv_win ?
                        before(sack, receiver->td_end + 1) ?
                        after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1) ? "BUG"
                        : "ACK is under the lower bound (possible overly delayed ACK)"
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 962e9792e317..d92cc317bf8b 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -419,6 +419,7 @@ __build_packet_message(struct nfnl_log_net *log,
        nfmsg->version = NFNETLINK_V0;
        nfmsg->res_id = htons(inst->group_num);
+        memset(&pmsg, 0, sizeof(pmsg));
        pmsg.hw_protocol        = skb->protocol;
        pmsg.hook               = hooknum;
@@ -498,7 +499,10 @@ __build_packet_message(struct nfnl_log_net *log,
        if (indev && skb->dev &&
            skb->mac_header != skb->network_header) {
                struct nfulnl_msg_packet_hw phw;
-                int len = dev_parse_header(skb, phw.hw_addr);
+                int len;
+                memset(&phw, 0, sizeof(phw));
+                len = dev_parse_header(skb, phw.hw_addr);
                if (len > 0) {
                        phw.hw_addrlen = htons(len);
                        if (nla_put(inst->skb, NFULA_HWADDR, sizeof(phw), &phw))
diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c
index 971ea145ab3e..8a703c3dd318 100644
--- a/net/netfilter/nfnetlink_queue_core.c
+++ b/net/netfilter/nfnetlink_queue_core.c
@@ -463,7 +463,10 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
        if (indev && entskb->dev &&
            entskb->mac_header != entskb->network_header) {
                struct nfqnl_msg_packet_hw phw;
-                int len = dev_parse_header(entskb, phw.hw_addr);
+                int len;
+                memset(&phw, 0, sizeof(phw));
+                len = dev_parse_header(entskb, phw.hw_addr);
                if (len) {
                        phw.hw_addrlen = htons(len);
                        if (nla_put(skb, NFQA_HWADDR, sizeof(phw), &phw))
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c
index 7011c71646f0..6113cc7efffc 100644
--- a/net/netfilter/xt_TCPMSS.c
+++ b/net/netfilter/xt_TCPMSS.c
@@ -52,7 +52,8 @@ tcpmss_mangle_packet(struct sk_buff *skb,
 {
        const struct xt_tcpmss_info *info = par->targinfo;
        struct tcphdr *tcph;
-        unsigned int tcplen, i;
+        int len, tcp_hdrlen;
+        unsigned int i;
        __be16 oldval;
        u16 newmss;
        u8 *opt;
@@ -64,11 +65,14 @@ tcpmss_mangle_packet(struct sk_buff *skb,
        if (!skb_make_writable(skb, skb->len))
                return -1;
-        tcplen = skb->len - tcphoff;
+        len = skb->len - tcphoff;
+        if (len < (int)sizeof(struct tcphdr))
+                return -1;
        tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff);
+        tcp_hdrlen = tcph->doff * 4;
-        /* Header cannot be larger than the packet */
+        if (len < tcp_hdrlen)
-        if (tcplen < tcph->doff*4)
                return -1;
        if (info->mss == XT_TCPMSS_CLAMP_PMTU) {
@@ -87,9 +91,8 @@ tcpmss_mangle_packet(struct sk_buff *skb,
                newmss = info->mss;
        opt = (u_int8_t *)tcph;
-        for (i = sizeof(struct tcphdr); i < tcph->doff*4; i += optlen(opt, i)) {
+        for (i = sizeof(struct tcphdr); i <= tcp_hdrlen - TCPOLEN_MSS; i += optlen(opt, i)) {
-                if (opt[i] == TCPOPT_MSS && tcph->doff*4 - i >= TCPOLEN_MSS &&
+                if (opt[i] == TCPOPT_MSS && opt[i+1] == TCPOLEN_MSS) {
-                    opt[i+1] == TCPOLEN_MSS) {
                        u_int16_t oldmss;
                        oldmss = (opt[i+2] << 8) | opt[i+3];
@@ -112,9 +115,10 @@ tcpmss_mangle_packet(struct sk_buff *skb,
        }
        /* There is data after the header so the option can't be added
-           without moving it, and doing so may make the SYN packet
+         * without moving it, and doing so may make the SYN packet
-           itself too large. Accept the packet unmodified instead. */
+         * itself too large. Accept the packet unmodified instead.
-        if (tcplen > tcph->doff*4)
+         */
+        if (len > tcp_hdrlen)
                return 0;
        /*
@@ -143,10 +147,10 @@ tcpmss_mangle_packet(struct sk_buff *skb,
                newmss = min(newmss, (u16)1220);
        opt = (u_int8_t *)tcph + sizeof(struct tcphdr);
-        memmove(opt + TCPOLEN_MSS, opt, tcplen - sizeof(struct tcphdr));
+        memmove(opt + TCPOLEN_MSS, opt, len - sizeof(struct tcphdr));
        inet_proto_csum_replace2(&tcph->check, skb,
-                                 htons(tcplen), htons(tcplen + TCPOLEN_MSS), 1);
+                                 htons(len), htons(len + TCPOLEN_MSS), 1);
        opt[0] = TCPOPT_MSS;
        opt[1] = TCPOLEN_MSS;
        opt[2] = (newmss & 0xff00) >> 8;
diff --git a/net/netfilter/xt_TCPOPTSTRIP.c b/net/netfilter/xt_TCPOPTSTRIP.c
index b68fa191710f..625fa1d636a0 100644
--- a/net/netfilter/xt_TCPOPTSTRIP.c
+++ b/net/netfilter/xt_TCPOPTSTRIP.c
@@ -38,7 +38,7 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb,
        struct tcphdr *tcph;
        u_int16_t n, o;
        u_int8_t *opt;
-        int len;
+        int len, tcp_hdrlen;
        /* This is a fragment, no TCP header is available */
        if (par->fragoff != 0)
@@ -52,7 +52,9 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb,
                return NF_DROP;
        tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff);
-        if (tcph->doff * 4 > len)
+        tcp_hdrlen = tcph->doff * 4;
+        if (len < tcp_hdrlen)
                return NF_DROP;
        opt  = (u_int8_t *)tcph;
@@ -61,10 +63,10 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb,
         * Walk through all TCP options - if we find some option to remove,
         * set all octets to %TCPOPT_NOP and adjust checksum.
         */
-        for (i = sizeof(struct tcphdr); i < tcp_hdrlen(skb); i += optl) {
+        for (i = sizeof(struct tcphdr); i < tcp_hdrlen - 1; i += optl) {
                optl = optlen(opt, i);
-                if (i + optl > tcp_hdrlen(skb))
+                if (i + optl > tcp_hdrlen)
                        break;
                if (!tcpoptstrip_test_bit(info->strip_bmap, opt[i]))
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 512718adb0d5..f85f8a2ad6cf 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -789,6 +789,10 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb)
        struct net *net = sock_net(skb->sk);
        int chains_to_skip = cb->args[0];
        int fams_to_skip = cb->args[1];
+        bool need_locking = chains_to_skip || fams_to_skip;
+        if (need_locking)
+                genl_lock();
        for (i = chains_to_skip; i < GENL_FAM_TAB_SIZE; i++) {
                n = 0;
@@ -810,6 +814,9 @@ errout:
        cb->args[0] = i;
        cb->args[1] = n;
+        if (need_locking)
+                genl_unlock();
        return skb->len;
 }
diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 22c5f399f1cf..ab101f715447 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -535,6 +535,7 @@ int ovs_execute_actions(struct datapath *dp, struct sk_buff *skb)
 {
        struct sw_flow_actions *acts = rcu_dereference(OVS_CB(skb)->flow->sf_acts);
+        OVS_CB(skb)->tun_key = NULL;
        return do_execute_actions(dp, skb, acts->actions,
                                         acts->actions_len, false);
 }
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index f7e3a0d84c40..f2ed7600084e 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -2076,9 +2076,6 @@ static int ovs_vport_cmd_set(struct sk_buff *skb, struct genl_info *info)
        ovs_notify(reply, info, &ovs_dp_vport_multicast_group);
        return 0;
-        rtnl_unlock();
-        return 0;
 exit_free:
        kfree_skb(reply);
 exit_unlock:
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 5c519b121e1b..1aa84dc58777 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -240,7 +240,7 @@ static struct flex_array *alloc_buckets(unsigned int n_buckets)
        struct flex_array *buckets;
        int i, err;
-        buckets = flex_array_alloc(sizeof(struct hlist_head *),
+        buckets = flex_array_alloc(sizeof(struct hlist_head),
                                   n_buckets, GFP_KERNEL);
        if (!buckets)
                return NULL;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 281c1bded1f6..51b968d3febb 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -285,6 +285,45 @@ static struct Qdisc_ops *qdisc_lookup_ops(struct nlattr *kind)
        return q;
 }
+/* The linklayer setting were not transferred from iproute2, in older
+ * versions, and the rate tables lookup systems have been dropped in
+ * the kernel. To keep backward compatible with older iproute2 tc
+ * utils, we detect the linklayer setting by detecting if the rate
+ * table were modified.
+ *
+ * For linklayer ATM table entries, the rate table will be aligned to
+ * 48 bytes, thus some table entries will contain the same value.  The
+ * mpu (min packet unit) is also encoded into the old rate table, thus
+ * starting from the mpu, we find low and high table entries for
+ * mapping this cell.  If these entries contain the same value, when
+ * the rate tables have been modified for linklayer ATM.
+ *
+ * This is done by rounding mpu to the nearest 48 bytes cell/entry,
+ * and then roundup to the next cell, calc the table entry one below,
+ * and compare.
+ */
+static __u8 __detect_linklayer(struct tc_ratespec *r, __u32 *rtab)
+{
+        int low       = roundup(r->mpu, 48);
+        int high      = roundup(low+1, 48);
+        int cell_low  = low >> r->cell_log;
+        int cell_high = (high >> r->cell_log) - 1;
+        /* rtab is too inaccurate at rates > 100Mbit/s */
+        if ((r->rate > (100000000/8)) || (rtab[0] == 0)) {
+                pr_debug("TC linklayer: Giving up ATM detection\n");
+                return TC_LINKLAYER_ETHERNET;
+        }
+        if ((cell_high > cell_low) && (cell_high < 256)
+            && (rtab[cell_low] == rtab[cell_high])) {
+                pr_debug("TC linklayer: Detected ATM, low(%d)=high(%d)=%u\n",
+                         cell_low, cell_high, rtab[cell_high]);
+                return TC_LINKLAYER_ATM;
+        }
+        return TC_LINKLAYER_ETHERNET;
+}
 static struct qdisc_rate_table *qdisc_rtab_list;
 struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct nlattr *tab)
@@ -308,6 +347,8 @@ struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r, struct nlattr *ta
                rtab->rate = *r;
                rtab->refcnt = 1;
                memcpy(rtab->data, nla_data(tab), 1024);
+                if (r->linklayer == TC_LINKLAYER_UNAWARE)
+                        r->linklayer = __detect_linklayer(r, rtab->data);
                rtab->next = qdisc_rtab_list;
                qdisc_rtab_list = rtab;
        }
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 4626cef4b76e..48be3d5c0d92 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -25,6 +25,7 @@
 #include <linux/rcupdate.h>
 #include <linux/list.h>
 #include <linux/slab.h>
+#include <linux/if_vlan.h>
 #include <net/sch_generic.h>
 #include <net/pkt_sched.h>
 #include <net/dst.h>
@@ -207,15 +208,19 @@ void __qdisc_run(struct Qdisc *q)
 unsigned long dev_trans_start(struct net_device *dev)
 {
-        unsigned long val, res = dev->trans_start;
+        unsigned long val, res;
        unsigned int i;
+        if (is_vlan_dev(dev))
+                dev = vlan_dev_real_dev(dev);
+        res = dev->trans_start;
        for (i = 0; i < dev->num_tx_queues; i++) {
                val = netdev_get_tx_queue(dev, i)->trans_start;
                if (val && time_after(val, res))
                        res = val;
        }
        dev->trans_start = res;
        return res;
 }
 EXPORT_SYMBOL(dev_trans_start);
@@ -904,6 +909,7 @@ void psched_ratecfg_precompute(struct psched_ratecfg *r,
        memset(r, 0, sizeof(*r));
        r->overhead = conf->overhead;
        r->rate_bytes_ps = conf->rate;
+        r->linklayer = (conf->linklayer & TC_LINKLAYER_MASK);
        r->mult = 1;
        /*
         * The deal here is to replace a divide by a reciprocal one
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 45e751527dfc..c2178b15ca6e 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -1329,6 +1329,7 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
        struct htb_sched *q = qdisc_priv(sch);
        struct htb_class *cl = (struct htb_class *)*arg, *parent;
        struct nlattr *opt = tca[TCA_OPTIONS];
+        struct qdisc_rate_table *rtab = NULL, *ctab = NULL;
        struct nlattr *tb[TCA_HTB_MAX + 1];
        struct tc_htb_opt *hopt;
@@ -1350,6 +1351,18 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
        if (!hopt->rate.rate || !hopt->ceil.rate)
                goto failure;
+        /* Keeping backward compatible with rate_table based iproute2 tc */
+        if (hopt->rate.linklayer == TC_LINKLAYER_UNAWARE) {
+                rtab = qdisc_get_rtab(&hopt->rate, tb[TCA_HTB_RTAB]);
+                if (rtab)
+                        qdisc_put_rtab(rtab);
+        }
+        if (hopt->ceil.linklayer == TC_LINKLAYER_UNAWARE) {
+                ctab = qdisc_get_rtab(&hopt->ceil, tb[TCA_HTB_CTAB]);
+                if (ctab)
+                        qdisc_put_rtab(ctab);
+        }
        if (!cl) {              /* new class */
                struct Qdisc *new_q;
                int prio;
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index bce5b79662a6..ab67efc64b24 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -846,12 +846,12 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
                else
                        spc_state = SCTP_ADDR_AVAILABLE;
                /* Don't inform ULP about transition from PF to
-                 * active state and set cwnd to 1, see SCTP
+                 * active state and set cwnd to 1 MTU, see SCTP
                 * Quick failover draft section 5.1, point 5
                 */
                if (transport->state == SCTP_PF) {
                        ulp_notify = false;
-                        transport->cwnd = 1;
+                        transport->cwnd = asoc->pathmtu;
                }
                transport->state = SCTP_ACTIVE;
                break;
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index bdbbc3fd7c14..8fdd16046d66 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -181,12 +181,12 @@ static void sctp_transport_destroy(struct sctp_transport *transport)
                return;
        }
-        call_rcu(&transport->rcu, sctp_transport_destroy_rcu);
        sctp_packet_free(&transport->packet);
        if (transport->asoc)
                sctp_association_put(transport->asoc);
+        call_rcu(&transport->rcu, sctp_transport_destroy_rcu);
 }
 /* Start T3_rtx timer if it is not already running and update the heartbeat
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index cb29ef7ba2f0..609c30c80816 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -460,6 +460,7 @@ static void bearer_disable(struct tipc_bearer *b_ptr)
 {
        struct tipc_link *l_ptr;
        struct tipc_link *temp_l_ptr;
+        struct tipc_link_req *temp_req;
        pr_info("Disabling bearer <%s>\n", b_ptr->name);
        spin_lock_bh(&b_ptr->lock);
@@ -468,9 +469,13 @@ static void bearer_disable(struct tipc_bearer *b_ptr)
        list_for_each_entry_safe(l_ptr, temp_l_ptr, &b_ptr->links, link_list) {
                tipc_link_delete(l_ptr);
        }
-        if (b_ptr->link_req)
+        temp_req = b_ptr->link_req;
-                tipc_disc_delete(b_ptr->link_req);
+        b_ptr->link_req = NULL;
        spin_unlock_bh(&b_ptr->lock);
+        if (temp_req)
+                tipc_disc_delete(temp_req);
        memset(b_ptr, 0, sizeof(struct tipc_bearer));
 }
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index 593071dabd1c..4d9334683f84 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -347,7 +347,7 @@ void vsock_for_each_connected_socket(void (*fn)(struct sock *sk))
        for (i = 0; i < ARRAY_SIZE(vsock_connected_table); i++) {
                struct vsock_sock *vsk;
                list_for_each_entry(vsk, &vsock_connected_table[i],
-                                    connected_table);
+                                    connected_table)
                        fn(sk_vsock(vsk));
        }
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 4f9f216665e9..a8c29fa4f1b3 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -765,6 +765,7 @@ void cfg80211_leave(struct cfg80211_registered_device *rdev,
                cfg80211_leave_mesh(rdev, dev);
                break;
        case NL80211_IFTYPE_AP:
+        case NL80211_IFTYPE_P2P_GO:
                cfg80211_stop_ap(rdev, dev);
                break;
        default:
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 25d217d90807..3fcba69817e5 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -441,10 +441,12 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
                        goto out_unlock;
                }
                *rdev = wiphy_to_dev((*wdev)->wiphy);
-                cb->args[0] = (*rdev)->wiphy_idx;
+                /* 0 is the first index - add 1 to parse only once */
+                cb->args[0] = (*rdev)->wiphy_idx + 1;
                cb->args[1] = (*wdev)->identifier;
        } else {
-                struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0]);
+                /* subtract the 1 again here */
+                struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1);
                struct wireless_dev *tmp;
                if (!wiphy) {
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 8e77cbbad871..e3c7ba8d7582 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -522,7 +522,7 @@ static bool same_amp_caps(struct hda_codec *codec, hda_nid_t nid1,
 }
 #define nid_has_mute(codec, nid, dir) \
-        check_amp_caps(codec, nid, dir, AC_AMPCAP_MUTE)
+        check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
 #define nid_has_volume(codec, nid, dir) \
        check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
@@ -624,7 +624,7 @@ static int get_amp_val_to_activate(struct hda_codec *codec, hda_nid_t nid,
                if (enable)
                        val = (caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT;
        }
-        if (caps & AC_AMPCAP_MUTE) {
+        if (caps & (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) {
                if (!enable)
                        val |= HDA_AMP_MUTE;
        }
@@ -648,7 +648,7 @@ static unsigned int get_amp_mask_to_modify(struct hda_codec *codec,
 {
        unsigned int mask = 0xff;
-        if (caps & AC_AMPCAP_MUTE) {
+        if (caps & (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE)) {
                if (is_ctl_associated(codec, nid, dir, idx, NID_PATH_MUTE_CTL))
                        mask &= ~0x80;
        }
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 8bd226149868..f303cd898515 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1031,6 +1031,7 @@ enum {
        ALC880_FIXUP_GPIO2,
        ALC880_FIXUP_MEDION_RIM,
        ALC880_FIXUP_LG,
+        ALC880_FIXUP_LG_LW25,
        ALC880_FIXUP_W810,
        ALC880_FIXUP_EAPD_COEF,
        ALC880_FIXUP_TCL_S700,
@@ -1089,6 +1090,14 @@ static const struct hda_fixup alc880_fixups[] = {
                        { }
                }
        },
+        [ALC880_FIXUP_LG_LW25] = {
+                .type = HDA_FIXUP_PINS,
+                .v.pins = (const struct hda_pintbl[]) {
+                        { 0x1a, 0x0181344f }, /* line-in */
+                        { 0x1b, 0x0321403f }, /* headphone */
+                        { }
+                }
+        },
        [ALC880_FIXUP_W810] = {
                .type = HDA_FIXUP_PINS,
                .v.pins = (const struct hda_pintbl[]) {
@@ -1341,6 +1350,7 @@ static const struct snd_pci_quirk alc880_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1854, 0x003b, "LG", ALC880_FIXUP_LG),
        SND_PCI_QUIRK(0x1854, 0x005f, "LG P1 Express", ALC880_FIXUP_LG),
        SND_PCI_QUIRK(0x1854, 0x0068, "LG w1", ALC880_FIXUP_LG),
+        SND_PCI_QUIRK(0x1854, 0x0077, "LG LW25", ALC880_FIXUP_LG_LW25),
        SND_PCI_QUIRK(0x19db, 0x4188, "TCL S700", ALC880_FIXUP_TCL_S700),
        /* Below is the copied entries from alc880_quirks.c.
@@ -4329,6 +4339,7 @@ static const struct snd_pci_quirk alc662_fixup_tbl[] = {
        SND_PCI_QUIRK(0x1025, 0x0308, "Acer Aspire 8942G", ALC662_FIXUP_ASPIRE),
        SND_PCI_QUIRK(0x1025, 0x031c, "Gateway NV79", ALC662_FIXUP_SKU_IGNORE),
        SND_PCI_QUIRK(0x1025, 0x0349, "eMachines eM250", ALC662_FIXUP_INV_DMIC),
+        SND_PCI_QUIRK(0x1025, 0x034a, "Gateway LT27", ALC662_FIXUP_INV_DMIC),
        SND_PCI_QUIRK(0x1025, 0x038b, "Acer Aspire 8943G", ALC662_FIXUP_ASPIRE),
        SND_PCI_QUIRK(0x1028, 0x05d8, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
        SND_PCI_QUIRK(0x1028, 0x05db, "Dell", ALC668_FIXUP_DELL_MIC_NO_PRESENCE),
diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c
index 987f728718c5..be2ba1b6fe4a 100644
--- a/sound/soc/codecs/cs42l52.c
+++ b/sound/soc/codecs/cs42l52.c
@@ -195,6 +195,8 @@ static DECLARE_TLV_DB_SCALE(pga_tlv, -600, 50, 0);
 static DECLARE_TLV_DB_SCALE(mix_tlv, -50, 50, 0);
+static DECLARE_TLV_DB_SCALE(beep_tlv, -56, 200, 0);
 static const unsigned int limiter_tlv[] = {
        TLV_DB_RANGE_HEAD(2),
        0, 2, TLV_DB_SCALE_ITEM(-3000, 600, 0),
@@ -451,7 +453,8 @@ static const struct snd_kcontrol_new cs42l52_snd_controls[] = {
        SOC_ENUM("Beep Pitch", beep_pitch_enum),
        SOC_ENUM("Beep on Time", beep_ontime_enum),
        SOC_ENUM("Beep off Time", beep_offtime_enum),
-        SOC_SINGLE_TLV("Beep Volume", CS42L52_BEEP_VOL, 0, 0x1f, 0x07, hl_tlv),
+        SOC_SINGLE_SX_TLV("Beep Volume", CS42L52_BEEP_VOL,
+                        0, 0x07, 0x1f, beep_tlv),
        SOC_SINGLE("Beep Mixer Switch", CS42L52_BEEP_TONE_CTL, 5, 1, 1),
        SOC_ENUM("Beep Treble Corner Freq", beep_treble_enum),
        SOC_ENUM("Beep Bass Corner Freq", beep_bass_enum),
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index 6c8a9e7bee25..760e8bfeacaa 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -153,6 +153,8 @@ static int mic_bias_event(struct snd_soc_dapm_widget *w,
 static int power_vag_event(struct snd_soc_dapm_widget *w,
        struct snd_kcontrol *kcontrol, int event)
 {
+        const u32 mask = SGTL5000_DAC_POWERUP | SGTL5000_ADC_POWERUP;
        switch (event) {
        case SND_SOC_DAPM_POST_PMU:
                snd_soc_update_bits(w->codec, SGTL5000_CHIP_ANA_POWER,
@@ -160,9 +162,17 @@ static int power_vag_event(struct snd_soc_dapm_widget *w,
                break;
        case SND_SOC_DAPM_PRE_PMD:
-                snd_soc_update_bits(w->codec, SGTL5000_CHIP_ANA_POWER,
+                /*
-                        SGTL5000_VAG_POWERUP, 0);
+                 * Don't clear VAG_POWERUP, when both DAC and ADC are
-                msleep(400);
+                 * operational to prevent inadvertently starving the
+                 * other one of them.
+                 */
+                if ((snd_soc_read(w->codec, SGTL5000_CHIP_ANA_POWER) &
+                                mask) != mask) {
+                        snd_soc_update_bits(w->codec, SGTL5000_CHIP_ANA_POWER,
+                                SGTL5000_VAG_POWERUP, 0);
+                        msleep(400);
+                }
                break;
        default:
                break;
@@ -388,7 +398,7 @@ static const struct snd_kcontrol_new sgtl5000_snd_controls[] = {
        SOC_DOUBLE("Capture Volume", SGTL5000_CHIP_ANA_ADC_CTRL, 0, 4, 0xf, 0),
        SOC_SINGLE_TLV("Capture Attenuate Switch (-6dB)",
                        SGTL5000_CHIP_ANA_ADC_CTRL,
-                        8, 2, 0, capture_6db_attenuate),
+                        8, 1, 0, capture_6db_attenuate),
        SOC_SINGLE("Capture ZC Switch", SGTL5000_CHIP_ANA_CTRL, 1, 1, 0),
        SOC_DOUBLE_TLV("Headphone Playback Volume",
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index bd16010441cc..4375c9f2b791 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -679,13 +679,14 @@ static int dapm_new_mux(struct snd_soc_dapm_widget *w)
                return -EINVAL;
        }
-        path = list_first_entry(&w->sources, struct snd_soc_dapm_path,
+        if (list_empty(&w->sources)) {
-                                list_sink);
-        if (!path) {
                dev_err(dapm->dev, "ASoC: mux %s has no paths\n", w->name);
                return -EINVAL;
        }
+        path = list_first_entry(&w->sources, struct snd_soc_dapm_path,
+                                list_sink);
        ret = dapm_create_or_share_mixmux_kcontrol(w, 0, path);
        if (ret < 0)
                return ret;
diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c
index d04146cad61f..47565fd04505 100644
--- a/sound/soc/tegra/tegra30_i2s.c
+++ b/sound/soc/tegra/tegra30_i2s.c
@@ -228,7 +228,7 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream,
                reg = TEGRA30_I2S_CIF_RX_CTRL;
        } else {
                val |= TEGRA30_AUDIOCIF_CTRL_DIRECTION_TX;
-                reg = TEGRA30_I2S_CIF_RX_CTRL;
+                reg = TEGRA30_I2S_CIF_TX_CTRL;
        }
        regmap_write(i2s->regmap, reg, val);
diff --git a/sound/usb/6fire/midi.c b/sound/usb/6fire/midi.c
index 26722423330d..f3dd7266c391 100644
--- a/sound/usb/6fire/midi.c
+++ b/sound/usb/6fire/midi.c
@@ -19,6 +19,10 @@
 #include "chip.h"
 #include "comm.h"
+enum {
+        MIDI_BUFSIZE = 64
+};
 static void usb6fire_midi_out_handler(struct urb *urb)
 {
        struct midi_runtime *rt = urb->context;
@@ -156,6 +160,12 @@ int usb6fire_midi_init(struct sfire_chip *chip)
        if (!rt)
                return -ENOMEM;
+        rt->out_buffer = kzalloc(MIDI_BUFSIZE, GFP_KERNEL);
+        if (!rt->out_buffer) {
+                kfree(rt);
+                return -ENOMEM;
+        }
        rt->chip = chip;
        rt->in_received = usb6fire_midi_in_received;
        rt->out_buffer[0] = 0x80; /* 'send midi' command */
@@ -169,6 +179,7 @@ int usb6fire_midi_init(struct sfire_chip *chip)
        ret = snd_rawmidi_new(chip->card, "6FireUSB", 0, 1, 1, &rt->instance);
        if (ret < 0) {
+                kfree(rt->out_buffer);
                kfree(rt);
                snd_printk(KERN_ERR PREFIX "unable to create midi.\n");
                return ret;
@@ -197,6 +208,9 @@ void usb6fire_midi_abort(struct sfire_chip *chip)
 void usb6fire_midi_destroy(struct sfire_chip *chip)
 {
-        kfree(chip->midi);
+        struct midi_runtime *rt = chip->midi;
+        kfree(rt->out_buffer);
+        kfree(rt);
        chip->midi = NULL;
 }
diff --git a/sound/usb/6fire/midi.h b/sound/usb/6fire/midi.h
index c321006e5430..84851b9f5559 100644
--- a/sound/usb/6fire/midi.h
+++ b/sound/usb/6fire/midi.h
@@ -16,10 +16,6 @@
 #include "common.h"
-enum {
-        MIDI_BUFSIZE = 64
-};
 struct midi_runtime {
        struct sfire_chip *chip;
        struct snd_rawmidi *instance;
@@ -32,7 +28,7 @@ struct midi_runtime {
        struct snd_rawmidi_substream *out;
        struct urb out_urb;
        u8 out_serial; /* serial number of out packet */
-        u8 out_buffer[MIDI_BUFSIZE];
+        u8 *out_buffer;
        int buffer_offset;
        void (*in_received)(struct midi_runtime *rt, u8 *data, int length);
diff --git a/sound/usb/6fire/pcm.c b/sound/usb/6fire/pcm.c
index 3d2551cc10f2..b5eb97fdc842 100644
--- a/sound/usb/6fire/pcm.c
+++ b/sound/usb/6fire/pcm.c
@@ -582,6 +582,33 @@ static void usb6fire_pcm_init_urb(struct pcm_urb *urb,
        urb->instance.number_of_packets = PCM_N_PACKETS_PER_URB;
 }
+static int usb6fire_pcm_buffers_init(struct pcm_runtime *rt)
+{
+        int i;
+        for (i = 0; i < PCM_N_URBS; i++) {
+                rt->out_urbs[i].buffer = kzalloc(PCM_N_PACKETS_PER_URB
+                                * PCM_MAX_PACKET_SIZE, GFP_KERNEL);
+                if (!rt->out_urbs[i].buffer)
+                        return -ENOMEM;
+                rt->in_urbs[i].buffer = kzalloc(PCM_N_PACKETS_PER_URB
+                                * PCM_MAX_PACKET_SIZE, GFP_KERNEL);
+                if (!rt->in_urbs[i].buffer)
+                        return -ENOMEM;
+        }
+        return 0;
+}
+static void usb6fire_pcm_buffers_destroy(struct pcm_runtime *rt)
+{
+        int i;
+        for (i = 0; i < PCM_N_URBS; i++) {
+                kfree(rt->out_urbs[i].buffer);
+                kfree(rt->in_urbs[i].buffer);
+        }
+}
 int usb6fire_pcm_init(struct sfire_chip *chip)
 {
        int i;
@@ -593,6 +620,13 @@ int usb6fire_pcm_init(struct sfire_chip *chip)
        if (!rt)
                return -ENOMEM;
+        ret = usb6fire_pcm_buffers_init(rt);
+        if (ret) {
+                usb6fire_pcm_buffers_destroy(rt);
+                kfree(rt);
+                return ret;
+        }
        rt->chip = chip;
        rt->stream_state = STREAM_DISABLED;
        rt->rate = ARRAY_SIZE(rates);
@@ -614,6 +648,7 @@ int usb6fire_pcm_init(struct sfire_chip *chip)
        ret = snd_pcm_new(chip->card, "DMX6FireUSB", 0, 1, 1, &pcm);
        if (ret < 0) {
+                usb6fire_pcm_buffers_destroy(rt);
                kfree(rt);
                snd_printk(KERN_ERR PREFIX "cannot create pcm instance.\n");
                return ret;
@@ -625,6 +660,7 @@ int usb6fire_pcm_init(struct sfire_chip *chip)
        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcm_ops);
        if (ret) {
+                usb6fire_pcm_buffers_destroy(rt);
                kfree(rt);
                snd_printk(KERN_ERR PREFIX
                                "error preallocating pcm buffers.\n");
@@ -669,6 +705,9 @@ void usb6fire_pcm_abort(struct sfire_chip *chip)
 void usb6fire_pcm_destroy(struct sfire_chip *chip)
 {
-        kfree(chip->pcm);
+        struct pcm_runtime *rt = chip->pcm;
+        usb6fire_pcm_buffers_destroy(rt);
+        kfree(rt);
        chip->pcm = NULL;
 }
diff --git a/sound/usb/6fire/pcm.h b/sound/usb/6fire/pcm.h
index 9b01133ee3fe..f5779d6182c6 100644
--- a/sound/usb/6fire/pcm.h
+++ b/sound/usb/6fire/pcm.h
@@ -32,7 +32,7 @@ struct pcm_urb {
        struct urb instance;
        struct usb_iso_packet_descriptor packets[PCM_N_PACKETS_PER_URB];
        /* END DO NOT SEPARATE */
-        u8 buffer[PCM_N_PACKETS_PER_URB * PCM_MAX_PACKET_SIZE];
+        u8 *buffer;
        struct pcm_urb *peer;
 };
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index d5438083fd6a..95558ef4a7a0 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -888,6 +888,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
        case USB_ID(0x046d, 0x081b): /* HD Webcam c310 */
        case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
        case USB_ID(0x046d, 0x0825): /* HD Webcam c270 */
+        case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
        case USB_ID(0x046d, 0x0991):
        /* Most audio usb devices lie about volume resolution.
         * Most Logitech webcams have res = 384.
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 1bc45e71f1fe..0df9ede99dfd 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -319,19 +319,19 @@ static int create_auto_midi_quirk(struct snd_usb_audio *chip,
        if (altsd->bNumEndpoints < 1)
                return -ENODEV;
        epd = get_endpoint(alts, 0);
-        if (!usb_endpoint_xfer_bulk(epd) ||
+        if (!usb_endpoint_xfer_bulk(epd) &&
            !usb_endpoint_xfer_int(epd))
                return -ENODEV;
        switch (USB_ID_VENDOR(chip->usb_id)) {
        case 0x0499: /* Yamaha */
                err = create_yamaha_midi_quirk(chip, iface, driver, alts);
-                if (err < 0 && err != -ENODEV)
+                if (err != -ENODEV)
                        return err;
                break;
        case 0x0582: /* Roland */
                err = create_roland_midi_quirk(chip, iface, driver, alts);
-                if (err < 0 && err != -ENODEV)
+                if (err != -ENODEV)
                        return err;
                break;
        }