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Diffstat (limited to '3.2.49/1041_linux-3.2.42.patch')
-rw-r--r--3.2.49/1041_linux-3.2.42.patch3602
1 files changed, 3602 insertions, 0 deletions
diff --git a/3.2.49/1041_linux-3.2.42.patch b/3.2.49/1041_linux-3.2.42.patch
new file mode 100644
index 0000000..77a08ed
--- /dev/null
+++ b/3.2.49/1041_linux-3.2.42.patch
@@ -0,0 +1,3602 @@
+diff --git a/Makefile b/Makefile
+index 95e6220..d44f009 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 2
+-SUBLEVEL = 41
++SUBLEVEL = 42
+ EXTRAVERSION =
+ NAME = Saber-toothed Squirrel
+
+diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h
+index 43ba0fb..559ee24 100644
+--- a/arch/arm/include/asm/signal.h
++++ b/arch/arm/include/asm/signal.h
+@@ -127,6 +127,7 @@ struct sigaction {
+ __sigrestore_t sa_restorer;
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/avr32/include/asm/signal.h b/arch/avr32/include/asm/signal.h
+index 8790dfc..e6952a0 100644
+--- a/arch/avr32/include/asm/signal.h
++++ b/arch/avr32/include/asm/signal.h
+@@ -128,6 +128,7 @@ struct sigaction {
+ __sigrestore_t sa_restorer;
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h
+index ea6af9a..057fea2 100644
+--- a/arch/cris/include/asm/signal.h
++++ b/arch/cris/include/asm/signal.h
+@@ -122,6 +122,7 @@ struct sigaction {
+ void (*sa_restorer)(void);
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/h8300/include/asm/signal.h b/arch/h8300/include/asm/signal.h
+index fd8b66e..8695707 100644
+--- a/arch/h8300/include/asm/signal.h
++++ b/arch/h8300/include/asm/signal.h
+@@ -121,6 +121,7 @@ struct sigaction {
+ void (*sa_restorer)(void);
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/m32r/include/asm/signal.h b/arch/m32r/include/asm/signal.h
+index b2eeb0d..802d561 100644
+--- a/arch/m32r/include/asm/signal.h
++++ b/arch/m32r/include/asm/signal.h
+@@ -123,6 +123,7 @@ struct sigaction {
+ __sigrestore_t sa_restorer;
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h
+index 93fe83e..a20ae63 100644
+--- a/arch/m68k/include/asm/signal.h
++++ b/arch/m68k/include/asm/signal.h
+@@ -119,6 +119,7 @@ struct sigaction {
+ __sigrestore_t sa_restorer;
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/mn10300/include/asm/signal.h b/arch/mn10300/include/asm/signal.h
+index 1865d72..eecaa76 100644
+--- a/arch/mn10300/include/asm/signal.h
++++ b/arch/mn10300/include/asm/signal.h
+@@ -131,6 +131,7 @@ struct sigaction {
+ __sigrestore_t sa_restorer;
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h
+index 3eb13be..ec63a0a 100644
+--- a/arch/powerpc/include/asm/signal.h
++++ b/arch/powerpc/include/asm/signal.h
+@@ -109,6 +109,7 @@ struct sigaction {
+ __sigrestore_t sa_restorer;
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
+index edae5bb..b92b756 100644
+--- a/arch/powerpc/kernel/cputable.c
++++ b/arch/powerpc/kernel/cputable.c
+@@ -268,7 +268,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
+ .cpu_features = CPU_FTRS_PPC970,
+ .cpu_user_features = COMMON_USER_POWER4 |
+ PPC_FEATURE_HAS_ALTIVEC_COMP,
+- .mmu_features = MMU_FTR_HPTE_TABLE,
++ .mmu_features = MMU_FTRS_PPC970,
+ .icache_bsize = 128,
+ .dcache_bsize = 128,
+ .num_pmcs = 8,
+diff --git a/arch/s390/include/asm/signal.h b/arch/s390/include/asm/signal.h
+index cdf5cb2..c872626 100644
+--- a/arch/s390/include/asm/signal.h
++++ b/arch/s390/include/asm/signal.h
+@@ -131,6 +131,7 @@ struct sigaction {
+ void (*sa_restorer)(void);
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/arch/s390/include/asm/tlbflush.h b/arch/s390/include/asm/tlbflush.h
+index 1d8648c..8743029 100644
+--- a/arch/s390/include/asm/tlbflush.h
++++ b/arch/s390/include/asm/tlbflush.h
+@@ -74,8 +74,6 @@ static inline void __tlb_flush_idte(unsigned long asce)
+
+ static inline void __tlb_flush_mm(struct mm_struct * mm)
+ {
+- if (unlikely(cpumask_empty(mm_cpumask(mm))))
+- return;
+ /*
+ * If the machine has IDTE we prefer to do a per mm flush
+ * on all cpus instead of doing a local flush if the mm
+diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h
+index e49b828..4929431 100644
+--- a/arch/sparc/include/asm/signal.h
++++ b/arch/sparc/include/asm/signal.h
+@@ -191,6 +191,7 @@ struct __old_sigaction {
+ unsigned long sa_flags;
+ void (*sa_restorer)(void); /* not used by Linux/SPARC yet */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ typedef struct sigaltstack {
+ void __user *ss_sp;
+diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h
+index 598457c..6cbc795 100644
+--- a/arch/x86/include/asm/signal.h
++++ b/arch/x86/include/asm/signal.h
+@@ -125,6 +125,8 @@ typedef unsigned long sigset_t;
+ extern void do_notify_resume(struct pt_regs *, void *, __u32);
+ # endif /* __KERNEL__ */
+
++#define __ARCH_HAS_SA_RESTORER
++
+ #ifdef __i386__
+ # ifdef __KERNEL__
+ struct old_sigaction {
+diff --git a/arch/x86/kernel/cpu/perf_event_intel_ds.c b/arch/x86/kernel/cpu/perf_event_intel_ds.c
+index 73da6b6..2d4e76b 100644
+--- a/arch/x86/kernel/cpu/perf_event_intel_ds.c
++++ b/arch/x86/kernel/cpu/perf_event_intel_ds.c
+@@ -736,3 +736,13 @@ void intel_ds_init(void)
+ }
+ }
+ }
++
++void perf_restore_debug_store(void)
++{
++ struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds);
++
++ if (!x86_pmu.bts && !x86_pmu.pebs)
++ return;
++
++ wrmsrl(MSR_IA32_DS_AREA, (unsigned long)ds);
++}
+diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
+index b7c2849..554b7b5 100644
+--- a/arch/x86/lib/usercopy_64.c
++++ b/arch/x86/lib/usercopy_64.c
+@@ -169,10 +169,10 @@ copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
+ char c;
+ unsigned zero_len;
+
+- for (; len; --len) {
++ for (; len; --len, to++) {
+ if (__get_user_nocheck(c, from++, sizeof(char)))
+ break;
+- if (__put_user_nocheck(c, to++, sizeof(char)))
++ if (__put_user_nocheck(c, to, sizeof(char)))
+ break;
+ }
+
+diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c
+index f10c0af..43c9f6a 100644
+--- a/arch/x86/power/cpu.c
++++ b/arch/x86/power/cpu.c
+@@ -11,6 +11,7 @@
+ #include <linux/suspend.h>
+ #include <linux/export.h>
+ #include <linux/smp.h>
++#include <linux/perf_event.h>
+
+ #include <asm/pgtable.h>
+ #include <asm/proto.h>
+@@ -225,6 +226,7 @@ static void __restore_processor_state(struct saved_context *ctxt)
+
+ do_fpu_end();
+ mtrr_bp_restore();
++ perf_restore_debug_store();
+ }
+
+ /* Needed by apm.c */
+diff --git a/arch/xtensa/include/asm/signal.h b/arch/xtensa/include/asm/signal.h
+index 633ba73..75edf8a 100644
+--- a/arch/xtensa/include/asm/signal.h
++++ b/arch/xtensa/include/asm/signal.h
+@@ -133,6 +133,7 @@ struct sigaction {
+ void (*sa_restorer)(void);
+ sigset_t sa_mask; /* mask last for extensibility */
+ };
++#define __ARCH_HAS_SA_RESTORER
+
+ struct k_sigaction {
+ struct sigaction sa;
+diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
+index efba163..bf4d6e2 100644
+--- a/drivers/firmware/Kconfig
++++ b/drivers/firmware/Kconfig
+@@ -53,6 +53,24 @@ config EFI_VARS
+ Subsequent efibootmgr releases may be found at:
+ <http://linux.dell.com/efibootmgr>
+
++config EFI_VARS_PSTORE
++ bool "Register efivars backend for pstore"
++ depends on EFI_VARS && PSTORE
++ default y
++ help
++ Say Y here to enable use efivars as a backend to pstore. This
++ will allow writing console messages, crash dumps, or anything
++ else supported by pstore to EFI variables.
++
++config EFI_VARS_PSTORE_DEFAULT_DISABLE
++ bool "Disable using efivars as a pstore backend by default"
++ depends on EFI_VARS_PSTORE
++ default n
++ help
++ Saying Y here will disable the use of efivars as a storage
++ backend for pstore by default. This setting can be overridden
++ using the efivars module's pstore_disable parameter.
++
+ config EFI_PCDP
+ bool "Console device selection via EFI PCDP or HCDP table"
+ depends on ACPI && EFI && IA64
+diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
+index 81346ae..b15c0aa 100644
+--- a/drivers/firmware/efivars.c
++++ b/drivers/firmware/efivars.c
+@@ -92,6 +92,11 @@ MODULE_VERSION(EFIVARS_VERSION);
+
+ #define DUMP_NAME_LEN 52
+
++static bool efivars_pstore_disable =
++ IS_ENABLED(CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE);
++
++module_param_named(pstore_disable, efivars_pstore_disable, bool, 0644);
++
+ /*
+ * The maximum size of VariableName + Data = 1024
+ * Therefore, it's reasonable to save that much
+@@ -122,6 +127,8 @@ struct efivar_attribute {
+ ssize_t (*store)(struct efivar_entry *entry, const char *buf, size_t count);
+ };
+
++static struct efivars __efivars;
++
+ #define PSTORE_EFI_ATTRIBUTES \
+ (EFI_VARIABLE_NON_VOLATILE | \
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | \
+@@ -146,6 +153,14 @@ efivar_create_sysfs_entry(struct efivars *efivars,
+ efi_char16_t *variable_name,
+ efi_guid_t *vendor_guid);
+
++/*
++ * Prototype for workqueue functions updating sysfs entry
++ */
++
++static void efivar_update_sysfs_entries(struct work_struct *);
++static DECLARE_WORK(efivar_work, efivar_update_sysfs_entries);
++static bool efivar_wq_enabled = true;
++
+ /* Return the number of unicode characters in data */
+ static unsigned long
+ utf16_strnlen(efi_char16_t *s, size_t maxlength)
+@@ -659,8 +674,6 @@ static struct kobj_type efivar_ktype = {
+ .default_attrs = def_attrs,
+ };
+
+-static struct pstore_info efi_pstore_info;
+-
+ static inline void
+ efivar_unregister(struct efivar_entry *var)
+ {
+@@ -697,7 +710,7 @@ static int efi_status_to_err(efi_status_t status)
+ return err;
+ }
+
+-#ifdef CONFIG_PSTORE
++#ifdef CONFIG_EFI_VARS_PSTORE
+
+ static int efi_pstore_open(struct pstore_info *psi)
+ {
+@@ -774,19 +787,21 @@ static int efi_pstore_write(enum pstore_type_id type, u64 *id,
+
+ spin_lock_irqsave(&efivars->lock, flags);
+
+- /*
+- * Check if there is a space enough to log.
+- * size: a size of logging data
+- * DUMP_NAME_LEN * 2: a maximum size of variable name
+- */
++ if (size) {
++ /*
++ * Check if there is a space enough to log.
++ * size: a size of logging data
++ * DUMP_NAME_LEN * 2: a maximum size of variable name
++ */
+
+- status = check_var_size_locked(efivars, PSTORE_EFI_ATTRIBUTES,
+- size + DUMP_NAME_LEN * 2);
++ status = check_var_size_locked(efivars, PSTORE_EFI_ATTRIBUTES,
++ size + DUMP_NAME_LEN * 2);
+
+- if (status) {
+- spin_unlock_irqrestore(&efivars->lock, flags);
+- *id = part;
+- return -ENOSPC;
++ if (status) {
++ spin_unlock_irqrestore(&efivars->lock, flags);
++ *id = part;
++ return -ENOSPC;
++ }
+ }
+
+ for (i = 0; i < DUMP_NAME_LEN; i++)
+@@ -830,11 +845,8 @@ static int efi_pstore_write(enum pstore_type_id type, u64 *id,
+ if (found)
+ efivar_unregister(found);
+
+- if (size)
+- ret = efivar_create_sysfs_entry(efivars,
+- utf16_strsize(efi_name,
+- DUMP_NAME_LEN * 2),
+- efi_name, &vendor);
++ if (efivar_wq_enabled)
++ schedule_work(&efivar_work);
+
+ *id = part;
+ return ret;
+@@ -847,36 +859,6 @@ static int efi_pstore_erase(enum pstore_type_id type, u64 id,
+
+ return 0;
+ }
+-#else
+-static int efi_pstore_open(struct pstore_info *psi)
+-{
+- return 0;
+-}
+-
+-static int efi_pstore_close(struct pstore_info *psi)
+-{
+- return 0;
+-}
+-
+-static ssize_t efi_pstore_read(u64 *id, enum pstore_type_id *type,
+- struct timespec *timespec,
+- char **buf, struct pstore_info *psi)
+-{
+- return -1;
+-}
+-
+-static int efi_pstore_write(enum pstore_type_id type, u64 *id,
+- unsigned int part, size_t size, struct pstore_info *psi)
+-{
+- return 0;
+-}
+-
+-static int efi_pstore_erase(enum pstore_type_id type, u64 id,
+- struct pstore_info *psi)
+-{
+- return 0;
+-}
+-#endif
+
+ static struct pstore_info efi_pstore_info = {
+ .owner = THIS_MODULE,
+@@ -888,6 +870,24 @@ static struct pstore_info efi_pstore_info = {
+ .erase = efi_pstore_erase,
+ };
+
++static void efivar_pstore_register(struct efivars *efivars)
++{
++ efivars->efi_pstore_info = efi_pstore_info;
++ efivars->efi_pstore_info.buf = kmalloc(4096, GFP_KERNEL);
++ if (efivars->efi_pstore_info.buf) {
++ efivars->efi_pstore_info.bufsize = 1024;
++ efivars->efi_pstore_info.data = efivars;
++ spin_lock_init(&efivars->efi_pstore_info.buf_lock);
++ pstore_register(&efivars->efi_pstore_info);
++ }
++}
++#else
++static void efivar_pstore_register(struct efivars *efivars)
++{
++ return;
++}
++#endif
++
+ static ssize_t efivar_create(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *bin_attr,
+ char *buf, loff_t pos, size_t count)
+@@ -1025,6 +1025,103 @@ static ssize_t efivar_delete(struct file *filp, struct kobject *kobj,
+ return count;
+ }
+
++static bool variable_is_present(efi_char16_t *variable_name, efi_guid_t *vendor)
++{
++ struct efivar_entry *entry, *n;
++ struct efivars *efivars = &__efivars;
++ unsigned long strsize1, strsize2;
++ bool found = false;
++
++ strsize1 = utf16_strsize(variable_name, 1024);
++ list_for_each_entry_safe(entry, n, &efivars->list, list) {
++ strsize2 = utf16_strsize(entry->var.VariableName, 1024);
++ if (strsize1 == strsize2 &&
++ !memcmp(variable_name, &(entry->var.VariableName),
++ strsize2) &&
++ !efi_guidcmp(entry->var.VendorGuid,
++ *vendor)) {
++ found = true;
++ break;
++ }
++ }
++ return found;
++}
++
++/*
++ * Returns the size of variable_name, in bytes, including the
++ * terminating NULL character, or variable_name_size if no NULL
++ * character is found among the first variable_name_size bytes.
++ */
++static unsigned long var_name_strnsize(efi_char16_t *variable_name,
++ unsigned long variable_name_size)
++{
++ unsigned long len;
++ efi_char16_t c;
++
++ /*
++ * The variable name is, by definition, a NULL-terminated
++ * string, so make absolutely sure that variable_name_size is
++ * the value we expect it to be. If not, return the real size.
++ */
++ for (len = 2; len <= variable_name_size; len += sizeof(c)) {
++ c = variable_name[(len / sizeof(c)) - 1];
++ if (!c)
++ break;
++ }
++
++ return min(len, variable_name_size);
++}
++
++static void efivar_update_sysfs_entries(struct work_struct *work)
++{
++ struct efivars *efivars = &__efivars;
++ efi_guid_t vendor;
++ efi_char16_t *variable_name;
++ unsigned long variable_name_size = 1024;
++ efi_status_t status = EFI_NOT_FOUND;
++ bool found;
++
++ /* Add new sysfs entries */
++ while (1) {
++ variable_name = kzalloc(variable_name_size, GFP_KERNEL);
++ if (!variable_name) {
++ pr_err("efivars: Memory allocation failed.\n");
++ return;
++ }
++
++ spin_lock_irq(&efivars->lock);
++ found = false;
++ while (1) {
++ variable_name_size = 1024;
++ status = efivars->ops->get_next_variable(
++ &variable_name_size,
++ variable_name,
++ &vendor);
++ if (status != EFI_SUCCESS) {
++ break;
++ } else {
++ if (!variable_is_present(variable_name,
++ &vendor)) {
++ found = true;
++ break;
++ }
++ }
++ }
++ spin_unlock_irq(&efivars->lock);
++
++ if (!found) {
++ kfree(variable_name);
++ break;
++ } else {
++ variable_name_size = var_name_strnsize(variable_name,
++ variable_name_size);
++ efivar_create_sysfs_entry(efivars,
++ variable_name_size,
++ variable_name, &vendor);
++ }
++ }
++}
++
+ /*
+ * Let's not leave out systab information that snuck into
+ * the efivars driver
+@@ -1212,6 +1309,35 @@ void unregister_efivars(struct efivars *efivars)
+ }
+ EXPORT_SYMBOL_GPL(unregister_efivars);
+
++/*
++ * Print a warning when duplicate EFI variables are encountered and
++ * disable the sysfs workqueue since the firmware is buggy.
++ */
++static void dup_variable_bug(efi_char16_t *s16, efi_guid_t *vendor_guid,
++ unsigned long len16)
++{
++ size_t i, len8 = len16 / sizeof(efi_char16_t);
++ char *s8;
++
++ /*
++ * Disable the workqueue since the algorithm it uses for
++ * detecting new variables won't work with this buggy
++ * implementation of GetNextVariableName().
++ */
++ efivar_wq_enabled = false;
++
++ s8 = kzalloc(len8, GFP_KERNEL);
++ if (!s8)
++ return;
++
++ for (i = 0; i < len8; i++)
++ s8[i] = s16[i];
++
++ printk(KERN_WARNING "efivars: duplicate variable: %s-%pUl\n",
++ s8, vendor_guid);
++ kfree(s8);
++}
++
+ int register_efivars(struct efivars *efivars,
+ const struct efivar_operations *ops,
+ struct kobject *parent_kobj)
+@@ -1252,6 +1378,24 @@ int register_efivars(struct efivars *efivars,
+ &vendor_guid);
+ switch (status) {
+ case EFI_SUCCESS:
++ variable_name_size = var_name_strnsize(variable_name,
++ variable_name_size);
++
++ /*
++ * Some firmware implementations return the
++ * same variable name on multiple calls to
++ * get_next_variable(). Terminate the loop
++ * immediately as there is no guarantee that
++ * we'll ever see a different variable name,
++ * and may end up looping here forever.
++ */
++ if (variable_is_present(variable_name, &vendor_guid)) {
++ dup_variable_bug(variable_name, &vendor_guid,
++ variable_name_size);
++ status = EFI_NOT_FOUND;
++ break;
++ }
++
+ efivar_create_sysfs_entry(efivars,
+ variable_name_size,
+ variable_name,
+@@ -1271,15 +1415,8 @@ int register_efivars(struct efivars *efivars,
+ if (error)
+ unregister_efivars(efivars);
+
+- efivars->efi_pstore_info = efi_pstore_info;
+-
+- efivars->efi_pstore_info.buf = kmalloc(4096, GFP_KERNEL);
+- if (efivars->efi_pstore_info.buf) {
+- efivars->efi_pstore_info.bufsize = 1024;
+- efivars->efi_pstore_info.data = efivars;
+- spin_lock_init(&efivars->efi_pstore_info.buf_lock);
+- pstore_register(&efivars->efi_pstore_info);
+- }
++ if (!efivars_pstore_disable)
++ efivar_pstore_register(efivars);
+
+ out:
+ kfree(variable_name);
+@@ -1288,7 +1425,6 @@ out:
+ }
+ EXPORT_SYMBOL_GPL(register_efivars);
+
+-static struct efivars __efivars;
+ static struct efivar_operations ops;
+
+ /*
+@@ -1346,6 +1482,8 @@ err_put:
+ static void __exit
+ efivars_exit(void)
+ {
++ cancel_work_sync(&efivar_work);
++
+ if (efi_enabled(EFI_RUNTIME_SERVICES)) {
+ unregister_efivars(&__efivars);
+ kobject_put(efi_kobj);
+diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
+index 9080eb7..7211f67 100644
+--- a/drivers/gpu/drm/drm_edid.c
++++ b/drivers/gpu/drm/drm_edid.c
+@@ -852,7 +852,7 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
+ unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
+ unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
+ unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
+- unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) >> 2 | pt->vsync_offset_pulse_width_lo >> 4;
++ unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
+ unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
+
+ /* ignore tiny modes */
+@@ -933,6 +933,7 @@ set_size:
+ }
+
+ mode->type = DRM_MODE_TYPE_DRIVER;
++ mode->vrefresh = drm_mode_vrefresh(mode);
+ drm_mode_set_name(mode);
+
+ return mode;
+diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
+index 5620192..9b4e5c6 100644
+--- a/drivers/gpu/drm/i915/i915_debugfs.c
++++ b/drivers/gpu/drm/i915/i915_debugfs.c
+@@ -122,7 +122,7 @@ static const char *cache_level_str(int type)
+ static void
+ describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj)
+ {
+- seq_printf(m, "%p: %s%s %8zd %04x %04x %d %d%s%s%s",
++ seq_printf(m, "%pK: %s%s %8zd %04x %04x %d %d%s%s%s",
+ &obj->base,
+ get_pin_flag(obj),
+ get_tiling_flag(obj),
+diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+index 878b989..b1bb734 100644
+--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
++++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+@@ -907,15 +907,20 @@ validate_exec_list(struct drm_i915_gem_exec_object2 *exec,
+ int count)
+ {
+ int i;
++ int relocs_total = 0;
++ int relocs_max = INT_MAX / sizeof(struct drm_i915_gem_relocation_entry);
+
+ for (i = 0; i < count; i++) {
+ char __user *ptr = (char __user *)(uintptr_t)exec[i].relocs_ptr;
+ int length; /* limited by fault_in_pages_readable() */
+
+- /* First check for malicious input causing overflow */
+- if (exec[i].relocation_count >
+- INT_MAX / sizeof(struct drm_i915_gem_relocation_entry))
++ /* First check for malicious input causing overflow in
++ * the worst case where we need to allocate the entire
++ * relocation tree as a single array.
++ */
++ if (exec[i].relocation_count > relocs_max - relocs_total)
+ return -EINVAL;
++ relocs_total += exec[i].relocation_count;
+
+ length = exec[i].relocation_count *
+ sizeof(struct drm_i915_gem_relocation_entry);
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index 4591582..17961df 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -8059,7 +8059,7 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
+ I915_WRITE(GEN6_RC_SLEEP, 0);
+ I915_WRITE(GEN6_RC1e_THRESHOLD, 1000);
+ I915_WRITE(GEN6_RC6_THRESHOLD, 50000);
+- I915_WRITE(GEN6_RC6p_THRESHOLD, 100000);
++ I915_WRITE(GEN6_RC6p_THRESHOLD, 150000);
+ I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
+
+ if (intel_enable_rc6(dev_priv->dev))
+diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c
+index 289140b..cffb007 100644
+--- a/drivers/gpu/drm/i915/intel_opregion.c
++++ b/drivers/gpu/drm/i915/intel_opregion.c
+@@ -419,6 +419,25 @@ blind_set:
+ goto end;
+ }
+
++static void intel_setup_cadls(struct drm_device *dev)
++{
++ struct drm_i915_private *dev_priv = dev->dev_private;
++ struct intel_opregion *opregion = &dev_priv->opregion;
++ int i = 0;
++ u32 disp_id;
++
++ /* Initialize the CADL field by duplicating the DIDL values.
++ * Technically, this is not always correct as display outputs may exist,
++ * but not active. This initialization is necessary for some Clevo
++ * laptops that check this field before processing the brightness and
++ * display switching hotkeys. Just like DIDL, CADL is NULL-terminated if
++ * there are less than eight devices. */
++ do {
++ disp_id = ioread32(&opregion->acpi->didl[i]);
++ iowrite32(disp_id, &opregion->acpi->cadl[i]);
++ } while (++i < 8 && disp_id != 0);
++}
++
+ void intel_opregion_init(struct drm_device *dev)
+ {
+ struct drm_i915_private *dev_priv = dev->dev_private;
+@@ -428,8 +447,10 @@ void intel_opregion_init(struct drm_device *dev)
+ return;
+
+ if (opregion->acpi) {
+- if (drm_core_check_feature(dev, DRIVER_MODESET))
++ if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+ intel_didl_outputs(dev);
++ intel_setup_cadls(dev);
++ }
+
+ /* Notify BIOS we are ready to handle ACPI video ext notifs.
+ * Right now, all the events are handled by the ACPI video module.
+diff --git a/drivers/gpu/drm/radeon/radeon_benchmark.c b/drivers/gpu/drm/radeon/radeon_benchmark.c
+index 17e1a9b..441de38 100644
+--- a/drivers/gpu/drm/radeon/radeon_benchmark.c
++++ b/drivers/gpu/drm/radeon/radeon_benchmark.c
+@@ -139,13 +139,15 @@ static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size,
+ sdomain, ddomain, "dma");
+ }
+
+- time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
+- RADEON_BENCHMARK_COPY_BLIT, n);
+- if (time < 0)
+- goto out_cleanup;
+- if (time > 0)
+- radeon_benchmark_log_results(n, size, time,
+- sdomain, ddomain, "blit");
++ if (rdev->asic->copy_blit) {
++ time = radeon_benchmark_do_move(rdev, size, saddr, daddr,
++ RADEON_BENCHMARK_COPY_BLIT, n);
++ if (time < 0)
++ goto out_cleanup;
++ if (time > 0)
++ radeon_benchmark_log_results(n, size, time,
++ sdomain, ddomain, "blit");
++ }
+
+ out_cleanup:
+ if (sobj) {
+diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c
+index 3d7885a..3056ea4 100644
+--- a/drivers/i2c/busses/i2c-tegra.c
++++ b/drivers/i2c/busses/i2c-tegra.c
+@@ -341,7 +341,11 @@ static int tegra_i2c_init(struct tegra_i2c_dev *i2c_dev)
+ u32 val;
+ int err = 0;
+
+- clk_enable(i2c_dev->clk);
++ err = clk_enable(i2c_dev->clk);
++ if (err < 0) {
++ dev_err(i2c_dev->dev, "Clock enable failed %d\n", err);
++ return err;
++ }
+
+ tegra_periph_reset_assert(i2c_dev->clk);
+ udelay(2);
+@@ -536,7 +540,12 @@ static int tegra_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[],
+ if (i2c_dev->is_suspended)
+ return -EBUSY;
+
+- clk_enable(i2c_dev->clk);
++ ret = clk_enable(i2c_dev->clk);
++ if (ret < 0) {
++ dev_err(i2c_dev->dev, "Clock enable failed %d\n", ret);
++ return ret;
++ }
++
+ for (i = 0; i < num; i++) {
+ int stop = (i == (num - 1)) ? 1 : 0;
+ ret = tegra_i2c_xfer_msg(i2c_dev, &msgs[i], stop);
+diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
+index da4d299..2c9dd2c 100644
+--- a/drivers/md/dm-thin.c
++++ b/drivers/md/dm-thin.c
+@@ -2212,7 +2212,7 @@ static struct target_type pool_target = {
+ .name = "thin-pool",
+ .features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE |
+ DM_TARGET_IMMUTABLE,
+- .version = {1, 0, 1},
++ .version = {1, 0, 2},
+ .module = THIS_MODULE,
+ .ctr = pool_ctr,
+ .dtr = pool_dtr,
+@@ -2428,7 +2428,7 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
+
+ static struct target_type thin_target = {
+ .name = "thin",
+- .version = {1, 0, 1},
++ .version = {1, 0, 2},
+ .module = THIS_MODULE,
+ .ctr = thin_ctr,
+ .dtr = thin_dtr,
+diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c
+index e6cdfde..1de0f5f 100644
+--- a/drivers/md/persistent-data/dm-btree-remove.c
++++ b/drivers/md/persistent-data/dm-btree-remove.c
+@@ -139,15 +139,8 @@ struct child {
+ struct btree_node *n;
+ };
+
+-static struct dm_btree_value_type le64_type = {
+- .context = NULL,
+- .size = sizeof(__le64),
+- .inc = NULL,
+- .dec = NULL,
+- .equal = NULL
+-};
+-
+-static int init_child(struct dm_btree_info *info, struct btree_node *parent,
++static int init_child(struct dm_btree_info *info, struct dm_btree_value_type *vt,
++ struct btree_node *parent,
+ unsigned index, struct child *result)
+ {
+ int r, inc;
+@@ -164,7 +157,7 @@ static int init_child(struct dm_btree_info *info, struct btree_node *parent,
+ result->n = dm_block_data(result->block);
+
+ if (inc)
+- inc_children(info->tm, result->n, &le64_type);
++ inc_children(info->tm, result->n, vt);
+
+ *((__le64 *) value_ptr(parent, index, sizeof(__le64))) =
+ cpu_to_le64(dm_block_location(result->block));
+@@ -236,7 +229,7 @@ static void __rebalance2(struct dm_btree_info *info, struct btree_node *parent,
+ }
+
+ static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info,
+- unsigned left_index)
++ struct dm_btree_value_type *vt, unsigned left_index)
+ {
+ int r;
+ struct btree_node *parent;
+@@ -244,11 +237,11 @@ static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info,
+
+ parent = dm_block_data(shadow_current(s));
+
+- r = init_child(info, parent, left_index, &left);
++ r = init_child(info, vt, parent, left_index, &left);
+ if (r)
+ return r;
+
+- r = init_child(info, parent, left_index + 1, &right);
++ r = init_child(info, vt, parent, left_index + 1, &right);
+ if (r) {
+ exit_child(info, &left);
+ return r;
+@@ -368,7 +361,7 @@ static void __rebalance3(struct dm_btree_info *info, struct btree_node *parent,
+ }
+
+ static int rebalance3(struct shadow_spine *s, struct dm_btree_info *info,
+- unsigned left_index)
++ struct dm_btree_value_type *vt, unsigned left_index)
+ {
+ int r;
+ struct btree_node *parent = dm_block_data(shadow_current(s));
+@@ -377,17 +370,17 @@ static int rebalance3(struct shadow_spine *s, struct dm_btree_info *info,
+ /*
+ * FIXME: fill out an array?
+ */
+- r = init_child(info, parent, left_index, &left);
++ r = init_child(info, vt, parent, left_index, &left);
+ if (r)
+ return r;
+
+- r = init_child(info, parent, left_index + 1, &center);
++ r = init_child(info, vt, parent, left_index + 1, &center);
+ if (r) {
+ exit_child(info, &left);
+ return r;
+ }
+
+- r = init_child(info, parent, left_index + 2, &right);
++ r = init_child(info, vt, parent, left_index + 2, &right);
+ if (r) {
+ exit_child(info, &left);
+ exit_child(info, &center);
+@@ -434,7 +427,8 @@ static int get_nr_entries(struct dm_transaction_manager *tm,
+ }
+
+ static int rebalance_children(struct shadow_spine *s,
+- struct dm_btree_info *info, uint64_t key)
++ struct dm_btree_info *info,
++ struct dm_btree_value_type *vt, uint64_t key)
+ {
+ int i, r, has_left_sibling, has_right_sibling;
+ uint32_t child_entries;
+@@ -472,13 +466,13 @@ static int rebalance_children(struct shadow_spine *s,
+ has_right_sibling = i < (le32_to_cpu(n->header.nr_entries) - 1);
+
+ if (!has_left_sibling)
+- r = rebalance2(s, info, i);
++ r = rebalance2(s, info, vt, i);
+
+ else if (!has_right_sibling)
+- r = rebalance2(s, info, i - 1);
++ r = rebalance2(s, info, vt, i - 1);
+
+ else
+- r = rebalance3(s, info, i - 1);
++ r = rebalance3(s, info, vt, i - 1);
+
+ return r;
+ }
+@@ -529,7 +523,7 @@ static int remove_raw(struct shadow_spine *s, struct dm_btree_info *info,
+ if (le32_to_cpu(n->header.flags) & LEAF_NODE)
+ return do_leaf(n, key, index);
+
+- r = rebalance_children(s, info, key);
++ r = rebalance_children(s, info, vt, key);
+ if (r)
+ break;
+
+@@ -550,6 +544,14 @@ static int remove_raw(struct shadow_spine *s, struct dm_btree_info *info,
+ return r;
+ }
+
++static struct dm_btree_value_type le64_type = {
++ .context = NULL,
++ .size = sizeof(__le64),
++ .inc = NULL,
++ .dec = NULL,
++ .equal = NULL
++};
++
+ int dm_btree_remove(struct dm_btree_info *info, dm_block_t root,
+ uint64_t *keys, dm_block_t *new_root)
+ {
+diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
+index 202ae34..63e3c47 100644
+--- a/drivers/net/bonding/bond_main.c
++++ b/drivers/net/bonding/bond_main.c
+@@ -1715,6 +1715,8 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
+
+ bond_compute_features(bond);
+
++ bond_update_speed_duplex(new_slave);
++
+ read_lock(&bond->lock);
+
+ new_slave->last_arp_rx = jiffies;
+@@ -1758,8 +1760,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
+ new_slave->link = BOND_LINK_DOWN;
+ }
+
+- bond_update_speed_duplex(new_slave);
+-
+ if (USES_PRIMARY(bond->params.mode) && bond->params.primary[0]) {
+ /* if there is a primary slave, remember it */
+ if (strcmp(bond->params.primary, new_slave->dev->name) == 0) {
+@@ -2437,8 +2437,6 @@ static void bond_miimon_commit(struct bonding *bond)
+ bond_set_backup_slave(slave);
+ }
+
+- bond_update_speed_duplex(slave);
+-
+ pr_info("%s: link status definitely up for interface %s, %u Mbps %s duplex.\n",
+ bond->dev->name, slave->dev->name,
+ slave->speed, slave->duplex ? "full" : "half");
+diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
+index a6611f1..5d5a05f 100644
+--- a/drivers/net/ethernet/sfc/efx.c
++++ b/drivers/net/ethernet/sfc/efx.c
+@@ -650,25 +650,30 @@ static void efx_fini_channels(struct efx_nic *efx)
+ struct efx_channel *channel;
+ struct efx_tx_queue *tx_queue;
+ struct efx_rx_queue *rx_queue;
++ struct pci_dev *dev = efx->pci_dev;
+ int rc;
+
+ EFX_ASSERT_RESET_SERIALISED(efx);
+ BUG_ON(efx->port_enabled);
+
+- rc = efx_nic_flush_queues(efx);
+- if (rc && EFX_WORKAROUND_7803(efx)) {
+- /* Schedule a reset to recover from the flush failure. The
+- * descriptor caches reference memory we're about to free,
+- * but falcon_reconfigure_mac_wrapper() won't reconnect
+- * the MACs because of the pending reset. */
+- netif_err(efx, drv, efx->net_dev,
+- "Resetting to recover from flush failure\n");
+- efx_schedule_reset(efx, RESET_TYPE_ALL);
+- } else if (rc) {
+- netif_err(efx, drv, efx->net_dev, "failed to flush queues\n");
+- } else {
+- netif_dbg(efx, drv, efx->net_dev,
+- "successfully flushed all queues\n");
++ /* Only perform flush if dma is enabled */
++ if (dev->is_busmaster) {
++ rc = efx_nic_flush_queues(efx);
++
++ if (rc && EFX_WORKAROUND_7803(efx)) {
++ /* Schedule a reset to recover from the flush failure. The
++ * descriptor caches reference memory we're about to free,
++ * but falcon_reconfigure_mac_wrapper() won't reconnect
++ * the MACs because of the pending reset. */
++ netif_err(efx, drv, efx->net_dev,
++ "Resetting to recover from flush failure\n");
++ efx_schedule_reset(efx, RESET_TYPE_ALL);
++ } else if (rc) {
++ netif_err(efx, drv, efx->net_dev, "failed to flush queues\n");
++ } else {
++ netif_dbg(efx, drv, efx->net_dev,
++ "successfully flushed all queues\n");
++ }
+ }
+
+ efx_for_each_channel(channel, efx) {
+@@ -714,6 +719,7 @@ efx_realloc_channels(struct efx_nic *efx, u32 rxq_entries, u32 txq_entries)
+ unsigned i;
+ int rc;
+
++ efx_device_detach_sync(efx);
+ efx_stop_all(efx);
+ efx_fini_channels(efx);
+
+@@ -757,6 +763,7 @@ out:
+
+ efx_init_channels(efx);
+ efx_start_all(efx);
++ netif_device_attach(efx->net_dev);
+ return rc;
+
+ rollback:
+@@ -1525,8 +1532,12 @@ static void efx_stop_all(struct efx_nic *efx)
+ /* Flush efx_mac_work(), refill_workqueue, monitor_work */
+ efx_flush_all(efx);
+
+- /* Stop the kernel transmit interface late, so the watchdog
+- * timer isn't ticking over the flush */
++ /* Stop the kernel transmit interface. This is only valid if
++ * the device is stopped or detached; otherwise the watchdog
++ * may fire immediately.
++ */
++ WARN_ON(netif_running(efx->net_dev) &&
++ netif_device_present(efx->net_dev));
+ if (efx_dev_registered(efx)) {
+ netif_tx_stop_all_queues(efx->net_dev);
+ netif_tx_lock_bh(efx->net_dev);
+@@ -1827,10 +1838,11 @@ static int efx_change_mtu(struct net_device *net_dev, int new_mtu)
+ if (new_mtu > EFX_MAX_MTU)
+ return -EINVAL;
+
+- efx_stop_all(efx);
+-
+ netif_dbg(efx, drv, efx->net_dev, "changing MTU to %d\n", new_mtu);
+
++ efx_device_detach_sync(efx);
++ efx_stop_all(efx);
++
+ efx_fini_channels(efx);
+
+ mutex_lock(&efx->mac_lock);
+@@ -1843,6 +1855,7 @@ static int efx_change_mtu(struct net_device *net_dev, int new_mtu)
+ efx_init_channels(efx);
+
+ efx_start_all(efx);
++ netif_device_attach(efx->net_dev);
+ return rc;
+ }
+
+@@ -2132,7 +2145,7 @@ int efx_reset(struct efx_nic *efx, enum reset_type method)
+ netif_info(efx, drv, efx->net_dev, "resetting (%s)\n",
+ RESET_TYPE(method));
+
+- netif_device_detach(efx->net_dev);
++ efx_device_detach_sync(efx);
+ efx_reset_down(efx, method);
+
+ rc = efx->type->reset(efx, method);
+@@ -2580,7 +2593,7 @@ static int efx_pm_freeze(struct device *dev)
+
+ efx->state = STATE_FINI;
+
+- netif_device_detach(efx->net_dev);
++ efx_device_detach_sync(efx);
+
+ efx_stop_all(efx);
+ efx_fini_channels(efx);
+diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h
+index 1355245..9668d29 100644
+--- a/drivers/net/ethernet/sfc/efx.h
++++ b/drivers/net/ethernet/sfc/efx.h
+@@ -149,4 +149,17 @@ extern void efx_link_status_changed(struct efx_nic *efx);
+ extern void efx_link_set_advertising(struct efx_nic *efx, u32);
+ extern void efx_link_set_wanted_fc(struct efx_nic *efx, u8);
+
++static inline void efx_device_detach_sync(struct efx_nic *efx)
++{
++ struct net_device *dev = efx->net_dev;
++
++ /* Lock/freeze all TX queues so that we can be sure the
++ * TX scheduler is stopped when we're done and before
++ * netif_device_present() becomes false.
++ */
++ netif_tx_lock_bh(dev);
++ netif_device_detach(dev);
++ netif_tx_unlock_bh(dev);
++}
++
+ #endif /* EFX_EFX_H */
+diff --git a/drivers/net/ethernet/sfc/falcon.c b/drivers/net/ethernet/sfc/falcon.c
+index 97b606b..26cd6c0 100644
+--- a/drivers/net/ethernet/sfc/falcon.c
++++ b/drivers/net/ethernet/sfc/falcon.c
+@@ -1762,6 +1762,7 @@ const struct efx_nic_type falcon_a1_nic_type = {
+ .remove_port = falcon_remove_port,
+ .handle_global_event = falcon_handle_global_event,
+ .prepare_flush = falcon_prepare_flush,
++ .finish_flush = efx_port_dummy_op_void,
+ .update_stats = falcon_update_nic_stats,
+ .start_stats = falcon_start_nic_stats,
+ .stop_stats = falcon_stop_nic_stats,
+@@ -1804,6 +1805,7 @@ const struct efx_nic_type falcon_b0_nic_type = {
+ .remove_port = falcon_remove_port,
+ .handle_global_event = falcon_handle_global_event,
+ .prepare_flush = falcon_prepare_flush,
++ .finish_flush = efx_port_dummy_op_void,
+ .update_stats = falcon_update_nic_stats,
+ .start_stats = falcon_start_nic_stats,
+ .stop_stats = falcon_stop_nic_stats,
+diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
+index 81a4253..c1000ce 100644
+--- a/drivers/net/ethernet/sfc/mcdi.c
++++ b/drivers/net/ethernet/sfc/mcdi.c
+@@ -30,7 +30,7 @@
+ #define REBOOT_FLAG_PORT0 0x3f8
+ #define REBOOT_FLAG_PORT1 0x3fc
+
+-#define MCDI_RPC_TIMEOUT 10 /*seconds */
++#define MCDI_RPC_TIMEOUT (10 * HZ)
+
+ #define MCDI_PDU(efx) \
+ (efx_port_num(efx) ? CMD_PDU_PORT1 : CMD_PDU_PORT0)
+@@ -120,7 +120,7 @@ static void efx_mcdi_copyout(struct efx_nic *efx, u8 *outbuf, size_t outlen)
+ static int efx_mcdi_poll(struct efx_nic *efx)
+ {
+ struct efx_mcdi_iface *mcdi = efx_mcdi(efx);
+- unsigned int time, finish;
++ unsigned long time, finish;
+ unsigned int respseq, respcmd, error;
+ unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
+ unsigned int rc, spins;
+@@ -136,7 +136,7 @@ static int efx_mcdi_poll(struct efx_nic *efx)
+ * and poll once a jiffy (approximately)
+ */
+ spins = TICK_USEC;
+- finish = get_seconds() + MCDI_RPC_TIMEOUT;
++ finish = jiffies + MCDI_RPC_TIMEOUT;
+
+ while (1) {
+ if (spins != 0) {
+@@ -146,7 +146,7 @@ static int efx_mcdi_poll(struct efx_nic *efx)
+ schedule_timeout_uninterruptible(1);
+ }
+
+- time = get_seconds();
++ time = jiffies;
+
+ rmb();
+ efx_readd(efx, &reg, pdu);
+@@ -158,7 +158,7 @@ static int efx_mcdi_poll(struct efx_nic *efx)
+ EFX_DWORD_FIELD(reg, MCDI_HEADER_RESPONSE))
+ break;
+
+- if (time >= finish)
++ if (time_after(time, finish))
+ return -ETIMEDOUT;
+ }
+
+@@ -250,7 +250,7 @@ static int efx_mcdi_await_completion(struct efx_nic *efx)
+ if (wait_event_timeout(
+ mcdi->wq,
+ atomic_read(&mcdi->state) == MCDI_STATE_COMPLETED,
+- msecs_to_jiffies(MCDI_RPC_TIMEOUT * 1000)) == 0)
++ MCDI_RPC_TIMEOUT) == 0)
+ return -ETIMEDOUT;
+
+ /* Check if efx_mcdi_set_mode() switched us back to polled completions.
+@@ -666,9 +666,8 @@ int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
+ u16 *fw_subtype_list)
+ {
+ uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LEN];
+- size_t outlen;
++ size_t outlen, offset, i;
+ int port_num = efx_port_num(efx);
+- int offset;
+ int rc;
+
+ BUILD_BUG_ON(MC_CMD_GET_BOARD_CFG_IN_LEN != 0);
+@@ -688,10 +687,16 @@ int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
+ : MC_CMD_GET_BOARD_CFG_OUT_MAC_ADDR_BASE_PORT0_OFST;
+ if (mac_address)
+ memcpy(mac_address, outbuf + offset, ETH_ALEN);
+- if (fw_subtype_list)
+- memcpy(fw_subtype_list,
+- outbuf + MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST,
+- MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_LEN);
++ if (fw_subtype_list) {
++ offset = MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_OFST;
++ for (i = 0;
++ i < MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_LEN / 2;
++ i++) {
++ fw_subtype_list[i] =
++ le16_to_cpup((__le16 *)(outbuf + offset));
++ offset += 2;
++ }
++ }
+
+ return 0;
+
+diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h
+index aced2a7..b61eea0 100644
+--- a/drivers/net/ethernet/sfc/mcdi.h
++++ b/drivers/net/ethernet/sfc/mcdi.h
+@@ -126,5 +126,6 @@ extern int efx_mcdi_wol_filter_set_magic(struct efx_nic *efx,
+ extern int efx_mcdi_wol_filter_get_magic(struct efx_nic *efx, int *id_out);
+ extern int efx_mcdi_wol_filter_remove(struct efx_nic *efx, int id);
+ extern int efx_mcdi_wol_filter_reset(struct efx_nic *efx);
++extern int efx_mcdi_set_mac(struct efx_nic *efx);
+
+ #endif /* EFX_MCDI_H */
+diff --git a/drivers/net/ethernet/sfc/mcdi_mac.c b/drivers/net/ethernet/sfc/mcdi_mac.c
+index 50c2077..da269d7 100644
+--- a/drivers/net/ethernet/sfc/mcdi_mac.c
++++ b/drivers/net/ethernet/sfc/mcdi_mac.c
+@@ -13,7 +13,7 @@
+ #include "mcdi.h"
+ #include "mcdi_pcol.h"
+
+-static int efx_mcdi_set_mac(struct efx_nic *efx)
++int efx_mcdi_set_mac(struct efx_nic *efx)
+ {
+ u32 reject, fcntl;
+ u8 cmdbytes[MC_CMD_SET_MAC_IN_LEN];
+@@ -45,6 +45,8 @@ static int efx_mcdi_set_mac(struct efx_nic *efx)
+ }
+ if (efx->wanted_fc & EFX_FC_AUTO)
+ fcntl = MC_CMD_FCNTL_AUTO;
++ if (efx->fc_disable)
++ fcntl = MC_CMD_FCNTL_OFF;
+
+ MCDI_SET_DWORD(cmdbytes, SET_MAC_IN_FCNTL, fcntl);
+
+diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
+index b8e251a..8bcb8fd 100644
+--- a/drivers/net/ethernet/sfc/net_driver.h
++++ b/drivers/net/ethernet/sfc/net_driver.h
+@@ -213,6 +213,7 @@ struct efx_tx_queue {
+ * If both this and page are %NULL, the buffer slot is currently free.
+ * @page: The associated page buffer, if any.
+ * If both this and skb are %NULL, the buffer slot is currently free.
++ * @page_offset: Offset within page. Valid iff @flags & %EFX_RX_BUF_PAGE.
+ * @len: Buffer length, in bytes.
+ * @is_page: Indicates if @page is valid. If false, @skb is valid.
+ */
+@@ -222,7 +223,8 @@ struct efx_rx_buffer {
+ struct sk_buff *skb;
+ struct page *page;
+ } u;
+- unsigned int len;
++ u16 page_offset;
++ u16 len;
+ bool is_page;
+ };
+
+@@ -689,6 +691,9 @@ struct efx_filter_state;
+ * @promiscuous: Promiscuous flag. Protected by netif_tx_lock.
+ * @multicast_hash: Multicast hash table
+ * @wanted_fc: Wanted flow control flags
++ * @fc_disable: When non-zero flow control is disabled. Typically used to
++ * ensure that network back pressure doesn't delay dma queue flushes.
++ * Serialised by the rtnl lock.
+ * @mac_work: Work item for changing MAC promiscuity and multicast hash
+ * @loopback_mode: Loopback status
+ * @loopback_modes: Supported loopback mode bitmask
+@@ -782,6 +787,7 @@ struct efx_nic {
+ bool promiscuous;
+ union efx_multicast_hash multicast_hash;
+ u8 wanted_fc;
++ unsigned fc_disable;
+
+ atomic_t rx_reset;
+ enum efx_loopback_mode loopback_mode;
+@@ -835,6 +841,7 @@ static inline unsigned int efx_port_num(struct efx_nic *efx)
+ * @remove_port: Free resources allocated by probe_port()
+ * @handle_global_event: Handle a "global" event (may be %NULL)
+ * @prepare_flush: Prepare the hardware for flushing the DMA queues
++ * @finish_flush: Clean up after flushing the DMA queues
+ * @update_stats: Update statistics not provided by event handling
+ * @start_stats: Start the regular fetching of statistics
+ * @stop_stats: Stop the regular fetching of statistics
+@@ -880,6 +887,7 @@ struct efx_nic_type {
+ void (*remove_port)(struct efx_nic *efx);
+ bool (*handle_global_event)(struct efx_channel *channel, efx_qword_t *);
+ void (*prepare_flush)(struct efx_nic *efx);
++ void (*finish_flush)(struct efx_nic *efx);
+ void (*update_stats)(struct efx_nic *efx);
+ void (*start_stats)(struct efx_nic *efx);
+ void (*stop_stats)(struct efx_nic *efx);
+diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c
+index 3edfbaf..2e9ca10 100644
+--- a/drivers/net/ethernet/sfc/nic.c
++++ b/drivers/net/ethernet/sfc/nic.c
+@@ -371,7 +371,8 @@ efx_may_push_tx_desc(struct efx_tx_queue *tx_queue, unsigned int write_count)
+ return false;
+
+ tx_queue->empty_read_count = 0;
+- return ((empty_read_count ^ write_count) & ~EFX_EMPTY_COUNT_VALID) == 0;
++ return ((empty_read_count ^ write_count) & ~EFX_EMPTY_COUNT_VALID) == 0
++ && tx_queue->write_count - write_count == 1;
+ }
+
+ /* For each entry inserted into the software descriptor ring, create a
+@@ -1261,13 +1262,27 @@ int efx_nic_flush_queues(struct efx_nic *efx)
+ }
+ efx_for_each_possible_channel_tx_queue(tx_queue, channel) {
+ if (tx_queue->initialised &&
+- tx_queue->flushed != FLUSH_DONE)
+- ++tx_pending;
++ tx_queue->flushed != FLUSH_DONE) {
++ efx_oword_t txd_ptr_tbl;
++
++ efx_reado_table(efx, &txd_ptr_tbl,
++ FR_BZ_TX_DESC_PTR_TBL,
++ tx_queue->queue);
++ if (EFX_OWORD_FIELD(txd_ptr_tbl,
++ FRF_AZ_TX_DESCQ_FLUSH) ||
++ EFX_OWORD_FIELD(txd_ptr_tbl,
++ FRF_AZ_TX_DESCQ_EN))
++ ++tx_pending;
++ else
++ tx_queue->flushed = FLUSH_DONE;
++ }
+ }
+ }
+
+- if (rx_pending == 0 && tx_pending == 0)
++ if (rx_pending == 0 && tx_pending == 0) {
++ efx->type->finish_flush(efx);
+ return 0;
++ }
+
+ msleep(EFX_FLUSH_INTERVAL);
+ efx_poll_flush_events(efx);
+@@ -1293,6 +1308,7 @@ int efx_nic_flush_queues(struct efx_nic *efx)
+ }
+ }
+
++ efx->type->finish_flush(efx);
+ return -ETIMEDOUT;
+ }
+
+diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h
+index 66ece48..58302a2 100644
+--- a/drivers/net/ethernet/sfc/nic.h
++++ b/drivers/net/ethernet/sfc/nic.h
+@@ -210,6 +210,8 @@ extern void falcon_irq_ack_a1(struct efx_nic *efx);
+
+ /* Global Resources */
+ extern int efx_nic_flush_queues(struct efx_nic *efx);
++extern void siena_prepare_flush(struct efx_nic *efx);
++extern void siena_finish_flush(struct efx_nic *efx);
+ extern void falcon_start_nic_stats(struct efx_nic *efx);
+ extern void falcon_stop_nic_stats(struct efx_nic *efx);
+ extern void falcon_setup_xaui(struct efx_nic *efx);
+diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c
+index 5ef4cc0..9ce8665 100644
+--- a/drivers/net/ethernet/sfc/rx.c
++++ b/drivers/net/ethernet/sfc/rx.c
+@@ -95,11 +95,7 @@ static unsigned int rx_refill_limit = 95;
+ static inline unsigned int efx_rx_buf_offset(struct efx_nic *efx,
+ struct efx_rx_buffer *buf)
+ {
+- /* Offset is always within one page, so we don't need to consider
+- * the page order.
+- */
+- return (((__force unsigned long) buf->dma_addr & (PAGE_SIZE - 1)) +
+- efx->type->rx_buffer_hash_size);
++ return buf->page_offset + efx->type->rx_buffer_hash_size;
+ }
+ static inline unsigned int efx_rx_buf_size(struct efx_nic *efx)
+ {
+@@ -194,6 +190,7 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue)
+ struct efx_rx_buffer *rx_buf;
+ struct page *page;
+ void *page_addr;
++ unsigned int page_offset;
+ struct efx_rx_page_state *state;
+ dma_addr_t dma_addr;
+ unsigned index, count;
+@@ -220,12 +217,14 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue)
+
+ page_addr += sizeof(struct efx_rx_page_state);
+ dma_addr += sizeof(struct efx_rx_page_state);
++ page_offset = sizeof(struct efx_rx_page_state);
+
+ split:
+ index = rx_queue->added_count & rx_queue->ptr_mask;
+ rx_buf = efx_rx_buffer(rx_queue, index);
+ rx_buf->dma_addr = dma_addr + EFX_PAGE_IP_ALIGN;
+ rx_buf->u.page = page;
++ rx_buf->page_offset = page_offset + EFX_PAGE_IP_ALIGN;
+ rx_buf->len = efx->rx_buffer_len - EFX_PAGE_IP_ALIGN;
+ rx_buf->is_page = true;
+ ++rx_queue->added_count;
+@@ -237,6 +236,7 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue)
+ get_page(page);
+ dma_addr += (PAGE_SIZE >> 1);
+ page_addr += (PAGE_SIZE >> 1);
++ page_offset += (PAGE_SIZE >> 1);
+ ++count;
+ goto split;
+ }
+@@ -246,7 +246,8 @@ static int efx_init_rx_buffers_page(struct efx_rx_queue *rx_queue)
+ }
+
+ static void efx_unmap_rx_buffer(struct efx_nic *efx,
+- struct efx_rx_buffer *rx_buf)
++ struct efx_rx_buffer *rx_buf,
++ unsigned int used_len)
+ {
+ if (rx_buf->is_page && rx_buf->u.page) {
+ struct efx_rx_page_state *state;
+@@ -257,6 +258,10 @@ static void efx_unmap_rx_buffer(struct efx_nic *efx,
+ state->dma_addr,
+ efx_rx_buf_size(efx),
+ PCI_DMA_FROMDEVICE);
++ } else if (used_len) {
++ dma_sync_single_for_cpu(&efx->pci_dev->dev,
++ rx_buf->dma_addr, used_len,
++ DMA_FROM_DEVICE);
+ }
+ } else if (!rx_buf->is_page && rx_buf->u.skb) {
+ pci_unmap_single(efx->pci_dev, rx_buf->dma_addr,
+@@ -279,7 +284,7 @@ static void efx_free_rx_buffer(struct efx_nic *efx,
+ static void efx_fini_rx_buffer(struct efx_rx_queue *rx_queue,
+ struct efx_rx_buffer *rx_buf)
+ {
+- efx_unmap_rx_buffer(rx_queue->efx, rx_buf);
++ efx_unmap_rx_buffer(rx_queue->efx, rx_buf, 0);
+ efx_free_rx_buffer(rx_queue->efx, rx_buf);
+ }
+
+@@ -550,10 +555,10 @@ void efx_rx_packet(struct efx_rx_queue *rx_queue, unsigned int index,
+ goto out;
+ }
+
+- /* Release card resources - assumes all RX buffers consumed in-order
+- * per RX queue
++ /* Release and/or sync DMA mapping - assumes all RX buffers
++ * consumed in-order per RX queue
+ */
+- efx_unmap_rx_buffer(efx, rx_buf);
++ efx_unmap_rx_buffer(efx, rx_buf, len);
+
+ /* Prefetch nice and early so data will (hopefully) be in cache by
+ * the time we look at it.
+diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c
+index 822f6c2..4907885 100644
+--- a/drivers/net/ethernet/sfc/selftest.c
++++ b/drivers/net/ethernet/sfc/selftest.c
+@@ -698,7 +698,7 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests,
+ /* Detach the device so the kernel doesn't transmit during the
+ * loopback test and the watchdog timeout doesn't fire.
+ */
+- netif_device_detach(efx->net_dev);
++ efx_device_detach_sync(efx);
+
+ mutex_lock(&efx->mac_lock);
+ if (efx->loopback_modes) {
+diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c
+index cc2549c..c58b973 100644
+--- a/drivers/net/ethernet/sfc/siena.c
++++ b/drivers/net/ethernet/sfc/siena.c
+@@ -137,6 +137,18 @@ static void siena_remove_port(struct efx_nic *efx)
+ efx_nic_free_buffer(efx, &efx->stats_buffer);
+ }
+
++void siena_prepare_flush(struct efx_nic *efx)
++{
++ if (efx->fc_disable++ == 0)
++ efx_mcdi_set_mac(efx);
++}
++
++void siena_finish_flush(struct efx_nic *efx)
++{
++ if (--efx->fc_disable == 0)
++ efx_mcdi_set_mac(efx);
++}
++
+ static const struct efx_nic_register_test siena_register_tests[] = {
+ { FR_AZ_ADR_REGION,
+ EFX_OWORD32(0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF) },
+@@ -624,7 +636,8 @@ const struct efx_nic_type siena_a0_nic_type = {
+ .reset = siena_reset_hw,
+ .probe_port = siena_probe_port,
+ .remove_port = siena_remove_port,
+- .prepare_flush = efx_port_dummy_op_void,
++ .prepare_flush = siena_prepare_flush,
++ .finish_flush = siena_finish_flush,
+ .update_stats = siena_update_nic_stats,
+ .start_stats = siena_start_nic_stats,
+ .stop_stats = siena_stop_nic_stats,
+diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
+index 97f342e..544ac06 100644
+--- a/drivers/net/macvlan.c
++++ b/drivers/net/macvlan.c
+@@ -585,6 +585,7 @@ void macvlan_common_setup(struct net_device *dev)
+ ether_setup(dev);
+
+ dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
++ dev->priv_flags |= IFF_UNICAST_FLT;
+ dev->netdev_ops = &macvlan_netdev_ops;
+ dev->destructor = free_netdev;
+ dev->header_ops = &macvlan_hard_header_ops,
+diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
+index 01b104e..bff6908 100644
+--- a/drivers/net/netconsole.c
++++ b/drivers/net/netconsole.c
+@@ -630,6 +630,7 @@ static int netconsole_netdev_event(struct notifier_block *this,
+ goto done;
+
+ spin_lock_irqsave(&target_list_lock, flags);
++restart:
+ list_for_each_entry(nt, &target_list, list) {
+ netconsole_target_get(nt);
+ if (nt->np.dev == dev) {
+@@ -642,20 +643,17 @@ static int netconsole_netdev_event(struct notifier_block *this,
+ case NETDEV_UNREGISTER:
+ /*
+ * rtnl_lock already held
++ * we might sleep in __netpoll_cleanup()
+ */
+- if (nt->np.dev) {
+- spin_unlock_irqrestore(
+- &target_list_lock,
+- flags);
+- __netpoll_cleanup(&nt->np);
+- spin_lock_irqsave(&target_list_lock,
+- flags);
+- dev_put(nt->np.dev);
+- nt->np.dev = NULL;
+- }
++ spin_unlock_irqrestore(&target_list_lock, flags);
++ __netpoll_cleanup(&nt->np);
++ spin_lock_irqsave(&target_list_lock, flags);
++ dev_put(nt->np.dev);
++ nt->np.dev = NULL;
+ nt->enabled = 0;
+ stopped = true;
+- break;
++ netconsole_target_put(nt);
++ goto restart;
+ }
+ }
+ netconsole_target_put(nt);
+diff --git a/drivers/net/tun.c b/drivers/net/tun.c
+index a12c9bf..f4c5de6 100644
+--- a/drivers/net/tun.c
++++ b/drivers/net/tun.c
+@@ -417,6 +417,8 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
+ * for indefinite time. */
+ skb_orphan(skb);
+
++ nf_reset(skb);
++
+ /* Enqueue packet */
+ skb_queue_tail(&tun->socket.sk->sk_receive_queue, skb);
+
+diff --git a/drivers/net/wireless/mwifiex/join.c b/drivers/net/wireless/mwifiex/join.c
+index 62b4c29..d48dfb7 100644
+--- a/drivers/net/wireless/mwifiex/join.c
++++ b/drivers/net/wireless/mwifiex/join.c
+@@ -1062,10 +1062,9 @@ mwifiex_cmd_802_11_ad_hoc_join(struct mwifiex_private *priv,
+ adhoc_join->bss_descriptor.bssid,
+ adhoc_join->bss_descriptor.ssid);
+
+- for (i = 0; bss_desc->supported_rates[i] &&
+- i < MWIFIEX_SUPPORTED_RATES;
+- i++)
+- ;
++ for (i = 0; i < MWIFIEX_SUPPORTED_RATES &&
++ bss_desc->supported_rates[i]; i++)
++ ;
+ rates_size = i;
+
+ /* Copy Data Rates from the Rates recorded in scan response */
+diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
+index 814c05d..d3920da 100644
+--- a/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
++++ b/drivers/net/wireless/rtlwifi/rtl8192cu/hw.c
+@@ -1557,74 +1557,57 @@ void rtl92cu_card_disable(struct ieee80211_hw *hw)
+
+ void rtl92cu_set_check_bssid(struct ieee80211_hw *hw, bool check_bssid)
+ {
+- /* dummy routine needed for callback from rtl_op_configure_filter() */
+-}
+-
+-/*========================================================================== */
+-
+-static void _rtl92cu_set_check_bssid(struct ieee80211_hw *hw,
+- enum nl80211_iftype type)
+-{
+ struct rtl_priv *rtlpriv = rtl_priv(hw);
+- u32 reg_rcr = rtl_read_dword(rtlpriv, REG_RCR);
+ struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
+- struct rtl_phy *rtlphy = &(rtlpriv->phy);
+- u8 filterout_non_associated_bssid = false;
++ u32 reg_rcr = rtl_read_dword(rtlpriv, REG_RCR);
+
+- switch (type) {
+- case NL80211_IFTYPE_ADHOC:
+- case NL80211_IFTYPE_STATION:
+- filterout_non_associated_bssid = true;
+- break;
+- case NL80211_IFTYPE_UNSPECIFIED:
+- case NL80211_IFTYPE_AP:
+- default:
+- break;
+- }
+- if (filterout_non_associated_bssid) {
++ if (rtlpriv->psc.rfpwr_state != ERFON)
++ return;
++
++ if (check_bssid) {
++ u8 tmp;
+ if (IS_NORMAL_CHIP(rtlhal->version)) {
+- switch (rtlphy->current_io_type) {
+- case IO_CMD_RESUME_DM_BY_SCAN:
+- reg_rcr |= (RCR_CBSSID_DATA | RCR_CBSSID_BCN);
+- rtlpriv->cfg->ops->set_hw_reg(hw,
+- HW_VAR_RCR, (u8 *)(&reg_rcr));
+- /* enable update TSF */
+- _rtl92cu_set_bcn_ctrl_reg(hw, 0, BIT(4));
+- break;
+- case IO_CMD_PAUSE_DM_BY_SCAN:
+- reg_rcr &= ~(RCR_CBSSID_DATA | RCR_CBSSID_BCN);
+- rtlpriv->cfg->ops->set_hw_reg(hw,
+- HW_VAR_RCR, (u8 *)(&reg_rcr));
+- /* disable update TSF */
+- _rtl92cu_set_bcn_ctrl_reg(hw, BIT(4), 0);
+- break;
+- }
++ reg_rcr |= (RCR_CBSSID_DATA | RCR_CBSSID_BCN);
++ tmp = BIT(4);
+ } else {
+- reg_rcr |= (RCR_CBSSID);
+- rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
+- (u8 *)(&reg_rcr));
+- _rtl92cu_set_bcn_ctrl_reg(hw, 0, (BIT(4)|BIT(5)));
++ reg_rcr |= RCR_CBSSID;
++ tmp = BIT(4) | BIT(5);
+ }
+- } else if (filterout_non_associated_bssid == false) {
++ rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
++ (u8 *) (&reg_rcr));
++ _rtl92cu_set_bcn_ctrl_reg(hw, 0, tmp);
++ } else {
++ u8 tmp;
+ if (IS_NORMAL_CHIP(rtlhal->version)) {
+- reg_rcr &= (~(RCR_CBSSID_DATA | RCR_CBSSID_BCN));
+- rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
+- (u8 *)(&reg_rcr));
+- _rtl92cu_set_bcn_ctrl_reg(hw, BIT(4), 0);
++ reg_rcr &= ~(RCR_CBSSID_DATA | RCR_CBSSID_BCN);
++ tmp = BIT(4);
+ } else {
+- reg_rcr &= (~RCR_CBSSID);
+- rtlpriv->cfg->ops->set_hw_reg(hw, HW_VAR_RCR,
+- (u8 *)(&reg_rcr));
+- _rtl92cu_set_bcn_ctrl_reg(hw, (BIT(4)|BIT(5)), 0);
++ reg_rcr &= ~RCR_CBSSID;
++ tmp = BIT(4) | BIT(5);
+ }
++ reg_rcr &= (~(RCR_CBSSID_DATA | RCR_CBSSID_BCN));
++ rtlpriv->cfg->ops->set_hw_reg(hw,
++ HW_VAR_RCR, (u8 *) (&reg_rcr));
++ _rtl92cu_set_bcn_ctrl_reg(hw, tmp, 0);
+ }
+ }
+
++/*========================================================================== */
++
+ int rtl92cu_set_network_type(struct ieee80211_hw *hw, enum nl80211_iftype type)
+ {
++ struct rtl_priv *rtlpriv = rtl_priv(hw);
++
+ if (_rtl92cu_set_media_status(hw, type))
+ return -EOPNOTSUPP;
+- _rtl92cu_set_check_bssid(hw, type);
++
++ if (rtlpriv->mac80211.link_state == MAC80211_LINKED) {
++ if (type != NL80211_IFTYPE_AP)
++ rtl92cu_set_check_bssid(hw, true);
++ } else {
++ rtl92cu_set_check_bssid(hw, false);
++ }
++
+ return 0;
+ }
+
+@@ -2238,8 +2221,6 @@ void rtl92cu_update_hal_rate_table(struct ieee80211_hw *hw,
+ (shortgi_rate << 4) | (shortgi_rate);
+ }
+ rtl_write_dword(rtlpriv, REG_ARFR0 + ratr_index * 4, ratr_value);
+- RT_TRACE(rtlpriv, COMP_RATR, DBG_DMESG, ("%x\n", rtl_read_dword(rtlpriv,
+- REG_ARFR0)));
+ }
+
+ void rtl92cu_update_hal_rate_mask(struct ieee80211_hw *hw, u8 rssi_level)
+diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
+index e18604b..d19b879 100644
+--- a/drivers/tty/pty.c
++++ b/drivers/tty/pty.c
+@@ -49,7 +49,6 @@ static void pty_close(struct tty_struct *tty, struct file *filp)
+ tty->packet = 0;
+ if (!tty->link)
+ return;
+- tty->link->packet = 0;
+ set_bit(TTY_OTHER_CLOSED, &tty->link->flags);
+ wake_up_interruptible(&tty->link->read_wait);
+ wake_up_interruptible(&tty->link->write_wait);
+diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
+index ad0f8f5..2dc4d9b 100644
+--- a/drivers/tty/serial/sunsu.c
++++ b/drivers/tty/serial/sunsu.c
+@@ -968,6 +968,7 @@ static struct uart_ops sunsu_pops = {
+ #define UART_NR 4
+
+ static struct uart_sunsu_port sunsu_ports[UART_NR];
++static int nr_inst; /* Number of already registered ports */
+
+ #ifdef CONFIG_SERIO
+
+@@ -1337,13 +1338,8 @@ static int __init sunsu_console_setup(struct console *co, char *options)
+ printk("Console: ttyS%d (SU)\n",
+ (sunsu_reg.minor - 64) + co->index);
+
+- /*
+- * Check whether an invalid uart number has been specified, and
+- * if so, search for the first available port that does have
+- * console support.
+- */
+- if (co->index >= UART_NR)
+- co->index = 0;
++ if (co->index > nr_inst)
++ return -ENODEV;
+ port = &sunsu_ports[co->index].port;
+
+ /*
+@@ -1408,7 +1404,6 @@ static enum su_type __devinit su_get_type(struct device_node *dp)
+
+ static int __devinit su_probe(struct platform_device *op)
+ {
+- static int inst;
+ struct device_node *dp = op->dev.of_node;
+ struct uart_sunsu_port *up;
+ struct resource *rp;
+@@ -1418,16 +1413,16 @@ static int __devinit su_probe(struct platform_device *op)
+
+ type = su_get_type(dp);
+ if (type == SU_PORT_PORT) {
+- if (inst >= UART_NR)
++ if (nr_inst >= UART_NR)
+ return -EINVAL;
+- up = &sunsu_ports[inst];
++ up = &sunsu_ports[nr_inst];
+ } else {
+ up = kzalloc(sizeof(*up), GFP_KERNEL);
+ if (!up)
+ return -ENOMEM;
+ }
+
+- up->port.line = inst;
++ up->port.line = nr_inst;
+
+ spin_lock_init(&up->port.lock);
+
+@@ -1461,6 +1456,8 @@ static int __devinit su_probe(struct platform_device *op)
+ }
+ dev_set_drvdata(&op->dev, up);
+
++ nr_inst++;
++
+ return 0;
+ }
+
+@@ -1488,7 +1485,7 @@ static int __devinit su_probe(struct platform_device *op)
+
+ dev_set_drvdata(&op->dev, up);
+
+- inst++;
++ nr_inst++;
+
+ return 0;
+
+diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
+index 61d08dd..76be3ba 100644
+--- a/drivers/usb/core/hcd-pci.c
++++ b/drivers/usb/core/hcd-pci.c
+@@ -173,6 +173,7 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+ struct hc_driver *driver;
+ struct usb_hcd *hcd;
+ int retval;
++ int hcd_irq = 0;
+
+ if (usb_disabled())
+ return -ENODEV;
+@@ -187,15 +188,19 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+ return -ENODEV;
+ dev->current_state = PCI_D0;
+
+- /* The xHCI driver supports MSI and MSI-X,
+- * so don't fail if the BIOS doesn't provide a legacy IRQ.
++ /*
++ * The xHCI driver has its own irq management
++ * make sure irq setup is not touched for xhci in generic hcd code
+ */
+- if (!dev->irq && (driver->flags & HCD_MASK) != HCD_USB3) {
+- dev_err(&dev->dev,
+- "Found HC with no IRQ. Check BIOS/PCI %s setup!\n",
+- pci_name(dev));
+- retval = -ENODEV;
+- goto disable_pci;
++ if ((driver->flags & HCD_MASK) != HCD_USB3) {
++ if (!dev->irq) {
++ dev_err(&dev->dev,
++ "Found HC with no IRQ. Check BIOS/PCI %s setup!\n",
++ pci_name(dev));
++ retval = -ENODEV;
++ goto disable_pci;
++ }
++ hcd_irq = dev->irq;
+ }
+
+ hcd = usb_create_hcd(driver, &dev->dev, pci_name(dev));
+@@ -245,7 +250,7 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
+
+ pci_set_master(dev);
+
+- retval = usb_add_hcd(hcd, dev->irq, IRQF_SHARED);
++ retval = usb_add_hcd(hcd, hcd_irq, IRQF_SHARED);
+ if (retval != 0)
+ goto unmap_registers;
+ set_hs_companion(dev, hcd);
+diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
+index 901924a..d433fdf 100644
+--- a/drivers/usb/gadget/udc-core.c
++++ b/drivers/usb/gadget/udc-core.c
+@@ -213,7 +213,7 @@ static void usb_gadget_remove_driver(struct usb_udc *udc)
+ udc->driver->disconnect(udc->gadget);
+ usb_gadget_disconnect(udc->gadget);
+ udc->driver->unbind(udc->gadget);
+- usb_gadget_udc_stop(udc->gadget, udc->driver);
++ usb_gadget_udc_stop(udc->gadget, NULL);
+ } else {
+ usb_gadget_stop(udc->gadget, udc->driver);
+ }
+diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
+index 53c8be1..2c0350f 100644
+--- a/drivers/usb/host/xhci.c
++++ b/drivers/usb/host/xhci.c
+@@ -342,7 +342,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
+ * generate interrupts. Don't even try to enable MSI.
+ */
+ if (xhci->quirks & XHCI_BROKEN_MSI)
+- return 0;
++ goto legacy_irq;
+
+ /* unregister the legacy interrupt */
+ if (hcd->irq)
+@@ -363,6 +363,7 @@ static int xhci_try_enable_msi(struct usb_hcd *hcd)
+ return -EINVAL;
+ }
+
++ legacy_irq:
+ /* fall back to legacy interrupt*/
+ ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED,
+ hcd->irq_descr, hcd);
+diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
+index cc368c2..c519a31 100644
+--- a/drivers/usb/host/xhci.h
++++ b/drivers/usb/host/xhci.h
+@@ -206,8 +206,8 @@ struct xhci_op_regs {
+ /* bits 12:31 are reserved (and should be preserved on writes). */
+
+ /* IMAN - Interrupt Management Register */
+-#define IMAN_IP (1 << 1)
+-#define IMAN_IE (1 << 0)
++#define IMAN_IE (1 << 1)
++#define IMAN_IP (1 << 0)
+
+ /* USBSTS - USB status - status bitmasks */
+ /* HC not running - set to 1 when run/stop bit is cleared. */
+diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
+index 1a49ca9..e664bac 100644
+--- a/drivers/usb/serial/garmin_gps.c
++++ b/drivers/usb/serial/garmin_gps.c
+@@ -973,10 +973,7 @@ static void garmin_close(struct usb_serial_port *port)
+ if (!serial)
+ return;
+
+- mutex_lock(&port->serial->disc_mutex);
+-
+- if (!port->serial->disconnected)
+- garmin_clear(garmin_data_p);
++ garmin_clear(garmin_data_p);
+
+ /* shutdown our urbs */
+ usb_kill_urb(port->read_urb);
+@@ -985,8 +982,6 @@ static void garmin_close(struct usb_serial_port *port)
+ /* keep reset state so we know that we must start a new session */
+ if (garmin_data_p->state != STATE_RESET)
+ garmin_data_p->state = STATE_DISCONNECTED;
+-
+- mutex_unlock(&port->serial->disc_mutex);
+ }
+
+
+diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
+index 3de751d..1f145bf 100644
+--- a/drivers/usb/serial/io_ti.c
++++ b/drivers/usb/serial/io_ti.c
+@@ -2796,6 +2796,7 @@ static struct usb_serial_driver edgeport_2port_device = {
+ .set_termios = edge_set_termios,
+ .tiocmget = edge_tiocmget,
+ .tiocmset = edge_tiocmset,
++ .get_icount = edge_get_icount,
+ .write = edge_write,
+ .write_room = edge_write_room,
+ .chars_in_buffer = edge_chars_in_buffer,
+diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
+index dc1ce62..2482d5e 100644
+--- a/drivers/usb/serial/usb-serial.c
++++ b/drivers/usb/serial/usb-serial.c
+@@ -168,6 +168,7 @@ static void destroy_serial(struct kref *kref)
+ }
+ }
+
++ usb_put_intf(serial->interface);
+ usb_put_dev(serial->dev);
+ kfree(serial);
+ }
+@@ -624,7 +625,7 @@ static struct usb_serial *create_serial(struct usb_device *dev,
+ }
+ serial->dev = usb_get_dev(dev);
+ serial->type = driver;
+- serial->interface = interface;
++ serial->interface = usb_get_intf(interface);
+ kref_init(&serial->kref);
+ mutex_init(&serial->disc_mutex);
+ serial->minor = SERIAL_TTY_NO_MINOR;
+diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
+index fa8a1b2..7b8d564 100644
+--- a/drivers/usb/storage/unusual_devs.h
++++ b/drivers/usb/storage/unusual_devs.h
+@@ -488,6 +488,13 @@ UNUSUAL_DEV( 0x04e8, 0x5122, 0x0000, 0x9999,
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_MAX_SECTORS_64 | US_FL_BULK_IGNORE_TAG),
+
++/* Added by Dmitry Artamonow <mad_soft@inbox.ru> */
++UNUSUAL_DEV( 0x04e8, 0x5136, 0x0000, 0x9999,
++ "Samsung",
++ "YP-Z3",
++ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
++ US_FL_MAX_SECTORS_64),
++
+ /* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>.
+ * Device uses standards-violating 32-byte Bulk Command Block Wrappers and
+ * reports itself as "Proprietary SCSI Bulk." Cf. device entry 0x084d:0x0011.
+diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
+index b76071e..5c58128 100644
+--- a/drivers/vhost/net.c
++++ b/drivers/vhost/net.c
+@@ -234,7 +234,8 @@ static void handle_tx(struct vhost_net *net)
+ msg.msg_controllen = 0;
+ ubufs = NULL;
+ } else {
+- struct ubuf_info *ubuf = &vq->ubuf_info[head];
++ struct ubuf_info *ubuf;
++ ubuf = vq->ubuf_info + vq->upend_idx;
+
+ vq->heads[vq->upend_idx].len = len;
+ ubuf->callback = vhost_zerocopy_callback;
+diff --git a/fs/cifs/asn1.c b/fs/cifs/asn1.c
+index cfd1ce3..1d36db1 100644
+--- a/fs/cifs/asn1.c
++++ b/fs/cifs/asn1.c
+@@ -614,53 +614,10 @@ decode_negTokenInit(unsigned char *security_blob, int length,
+ }
+ }
+
+- /* mechlistMIC */
+- if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
+- /* Check if we have reached the end of the blob, but with
+- no mechListMic (e.g. NTLMSSP instead of KRB5) */
+- if (ctx.error == ASN1_ERR_DEC_EMPTY)
+- goto decode_negtoken_exit;
+- cFYI(1, "Error decoding last part negTokenInit exit3");
+- return 0;
+- } else if ((cls != ASN1_CTX) || (con != ASN1_CON)) {
+- /* tag = 3 indicating mechListMIC */
+- cFYI(1, "Exit 4 cls = %d con = %d tag = %d end = %p (%d)",
+- cls, con, tag, end, *end);
+- return 0;
+- }
+-
+- /* sequence */
+- if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
+- cFYI(1, "Error decoding last part negTokenInit exit5");
+- return 0;
+- } else if ((cls != ASN1_UNI) || (con != ASN1_CON)
+- || (tag != ASN1_SEQ)) {
+- cFYI(1, "cls = %d con = %d tag = %d end = %p (%d)",
+- cls, con, tag, end, *end);
+- }
+-
+- /* sequence of */
+- if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
+- cFYI(1, "Error decoding last part negTokenInit exit 7");
+- return 0;
+- } else if ((cls != ASN1_CTX) || (con != ASN1_CON)) {
+- cFYI(1, "Exit 8 cls = %d con = %d tag = %d end = %p (%d)",
+- cls, con, tag, end, *end);
+- return 0;
+- }
+-
+- /* general string */
+- if (asn1_header_decode(&ctx, &end, &cls, &con, &tag) == 0) {
+- cFYI(1, "Error decoding last part negTokenInit exit9");
+- return 0;
+- } else if ((cls != ASN1_UNI) || (con != ASN1_PRI)
+- || (tag != ASN1_GENSTR)) {
+- cFYI(1, "Exit10 cls = %d con = %d tag = %d end = %p (%d)",
+- cls, con, tag, end, *end);
+- return 0;
+- }
+- cFYI(1, "Need to call asn1_octets_decode() function for %s",
+- ctx.pointer); /* is this UTF-8 or ASCII? */
+-decode_negtoken_exit:
++ /*
++ * We currently ignore anything at the end of the SPNEGO blob after
++ * the mechTypes have been parsed, since none of that info is
++ * used at the moment.
++ */
+ return 1;
+ }
+diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
+index b3a2a40..25bb97f 100644
+--- a/fs/cifs/cifsfs.c
++++ b/fs/cifs/cifsfs.c
+@@ -90,6 +90,30 @@ extern mempool_t *cifs_sm_req_poolp;
+ extern mempool_t *cifs_req_poolp;
+ extern mempool_t *cifs_mid_poolp;
+
++/*
++ * Bumps refcount for cifs super block.
++ * Note that it should be only called if a referece to VFS super block is
++ * already held, e.g. in open-type syscalls context. Otherwise it can race with
++ * atomic_dec_and_test in deactivate_locked_super.
++ */
++void
++cifs_sb_active(struct super_block *sb)
++{
++ struct cifs_sb_info *server = CIFS_SB(sb);
++
++ if (atomic_inc_return(&server->active) == 1)
++ atomic_inc(&sb->s_active);
++}
++
++void
++cifs_sb_deactive(struct super_block *sb)
++{
++ struct cifs_sb_info *server = CIFS_SB(sb);
++
++ if (atomic_dec_and_test(&server->active))
++ deactivate_super(sb);
++}
++
+ static int
+ cifs_read_super(struct super_block *sb)
+ {
+diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
+index 30ff560..c91ea81 100644
+--- a/fs/cifs/cifsfs.h
++++ b/fs/cifs/cifsfs.h
+@@ -41,6 +41,10 @@ extern struct file_system_type cifs_fs_type;
+ extern const struct address_space_operations cifs_addr_ops;
+ extern const struct address_space_operations cifs_addr_ops_smallbuf;
+
++/* Functions related to super block operations */
++extern void cifs_sb_active(struct super_block *sb);
++extern void cifs_sb_deactive(struct super_block *sb);
++
+ /* Functions related to inodes */
+ extern const struct inode_operations cifs_dir_inode_ops;
+ extern struct inode *cifs_root_iget(struct super_block *);
+diff --git a/fs/cifs/file.c b/fs/cifs/file.c
+index 51574d4..c55808e 100644
+--- a/fs/cifs/file.c
++++ b/fs/cifs/file.c
+@@ -265,6 +265,8 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file,
+ mutex_init(&pCifsFile->fh_mutex);
+ INIT_WORK(&pCifsFile->oplock_break, cifs_oplock_break);
+
++ cifs_sb_active(inode->i_sb);
++
+ spin_lock(&cifs_file_list_lock);
+ list_add(&pCifsFile->tlist, &(tlink_tcon(tlink)->openFileList));
+ /* if readable file instance put first in list*/
+@@ -293,7 +295,8 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
+ struct inode *inode = cifs_file->dentry->d_inode;
+ struct cifs_tcon *tcon = tlink_tcon(cifs_file->tlink);
+ struct cifsInodeInfo *cifsi = CIFS_I(inode);
+- struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
++ struct super_block *sb = inode->i_sb;
++ struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
+ struct cifsLockInfo *li, *tmp;
+
+ spin_lock(&cifs_file_list_lock);
+@@ -345,6 +348,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
+
+ cifs_put_tlink(cifs_file->tlink);
+ dput(cifs_file->dentry);
++ cifs_sb_deactive(sb);
+ kfree(cifs_file);
+ }
+
+diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
+index 484ffee..2845a1f 100644
+--- a/fs/ext4/balloc.c
++++ b/fs/ext4/balloc.c
+@@ -571,7 +571,7 @@ ext4_fsblk_t ext4_count_free_clusters(struct super_block *sb)
+ brelse(bitmap_bh);
+ printk(KERN_DEBUG "ext4_count_free_clusters: stored = %llu"
+ ", computed = %llu, %llu\n",
+- EXT4_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)),
++ EXT4_NUM_B2C(EXT4_SB(sb), ext4_free_blocks_count(es)),
+ desc_count, bitmap_count);
+ return bitmap_count;
+ #else
+diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
+index 8cb184c..60b6ca5 100644
+--- a/fs/ext4/ext4.h
++++ b/fs/ext4/ext4.h
+@@ -309,9 +309,9 @@ struct ext4_group_desc
+ */
+
+ struct flex_groups {
+- atomic_t free_inodes;
+- atomic_t free_clusters;
+- atomic_t used_dirs;
++ atomic64_t free_clusters;
++ atomic_t free_inodes;
++ atomic_t used_dirs;
+ };
+
+ #define EXT4_BG_INODE_UNINIT 0x0001 /* Inode table/bitmap not in use */
+diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
+index b48e0dc..ce0bc25 100644
+--- a/fs/ext4/extents.c
++++ b/fs/ext4/extents.c
+@@ -2960,6 +2960,7 @@ static int ext4_split_extent(handle_t *handle,
+ int err = 0;
+ int uninitialized;
+ int split_flag1, flags1;
++ int allocated = map->m_len;
+
+ depth = ext_depth(inode);
+ ex = path[depth].p_ext;
+@@ -2979,6 +2980,8 @@ static int ext4_split_extent(handle_t *handle,
+ map->m_lblk + map->m_len, split_flag1, flags1);
+ if (err)
+ goto out;
++ } else {
++ allocated = ee_len - (map->m_lblk - ee_block);
+ }
+
+ ext4_ext_drop_refs(path);
+@@ -3001,7 +3004,7 @@ static int ext4_split_extent(handle_t *handle,
+
+ ext4_ext_show_leaf(inode, path);
+ out:
+- return err ? err : map->m_len;
++ return err ? err : allocated;
+ }
+
+ #define EXT4_EXT_ZERO_LEN 7
+@@ -3663,6 +3666,7 @@ out:
+ allocated - map->m_len);
+ allocated = map->m_len;
+ }
++ map->m_len = allocated;
+
+ /*
+ * If we have done fallocate with the offset that is already
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index 6266799..6d1f577 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -294,8 +294,8 @@ error_return:
+ }
+
+ struct orlov_stats {
++ __u64 free_clusters;
+ __u32 free_inodes;
+- __u32 free_clusters;
+ __u32 used_dirs;
+ };
+
+@@ -312,7 +312,7 @@ static void get_orlov_stats(struct super_block *sb, ext4_group_t g,
+
+ if (flex_size > 1) {
+ stats->free_inodes = atomic_read(&flex_group[g].free_inodes);
+- stats->free_clusters = atomic_read(&flex_group[g].free_clusters);
++ stats->free_clusters = atomic64_read(&flex_group[g].free_clusters);
+ stats->used_dirs = atomic_read(&flex_group[g].used_dirs);
+ return;
+ }
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index 4b2bb75..3270ffd 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -142,7 +142,8 @@ void ext4_evict_inode(struct inode *inode)
+ * don't use page cache.
+ */
+ if (ext4_should_journal_data(inode) &&
+- (S_ISLNK(inode->i_mode) || S_ISREG(inode->i_mode))) {
++ (S_ISLNK(inode->i_mode) || S_ISREG(inode->i_mode)) &&
++ inode->i_ino != EXT4_JOURNAL_INO) {
+ journal_t *journal = EXT4_SB(inode->i_sb)->s_journal;
+ tid_t commit_tid = EXT4_I(inode)->i_datasync_tid;
+
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index 553ff71..7b18563 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -2866,8 +2866,8 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
+ if (sbi->s_log_groups_per_flex) {
+ ext4_group_t flex_group = ext4_flex_group(sbi,
+ ac->ac_b_ex.fe_group);
+- atomic_sub(ac->ac_b_ex.fe_len,
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ atomic64_sub(ac->ac_b_ex.fe_len,
++ &sbi->s_flex_groups[flex_group].free_clusters);
+ }
+
+ err = ext4_handle_dirty_metadata(handle, NULL, bitmap_bh);
+@@ -3485,7 +3485,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac)
+ win = offs;
+
+ ac->ac_b_ex.fe_logical = ac->ac_o_ex.fe_logical -
+- EXT4_B2C(sbi, win);
++ EXT4_NUM_B2C(sbi, win);
+ BUG_ON(ac->ac_o_ex.fe_logical < ac->ac_b_ex.fe_logical);
+ BUG_ON(ac->ac_o_ex.fe_len > ac->ac_b_ex.fe_len);
+ }
+@@ -4634,7 +4634,7 @@ do_more:
+ EXT4_BLOCKS_PER_GROUP(sb);
+ count -= overflow;
+ }
+- count_clusters = EXT4_B2C(sbi, count);
++ count_clusters = EXT4_NUM_B2C(sbi, count);
+ bitmap_bh = ext4_read_block_bitmap(sb, block_group);
+ if (!bitmap_bh) {
+ err = -EIO;
+@@ -4724,8 +4724,8 @@ do_more:
+
+ if (sbi->s_log_groups_per_flex) {
+ ext4_group_t flex_group = ext4_flex_group(sbi, block_group);
+- atomic_add(count_clusters,
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ atomic64_add(count_clusters,
++ &sbi->s_flex_groups[flex_group].free_clusters);
+ }
+
+ ext4_mb_unload_buddy(&e4b);
+@@ -4865,12 +4865,12 @@ int ext4_group_add_blocks(handle_t *handle, struct super_block *sb,
+ desc->bg_checksum = ext4_group_desc_csum(sbi, block_group, desc);
+ ext4_unlock_group(sb, block_group);
+ percpu_counter_add(&sbi->s_freeclusters_counter,
+- EXT4_B2C(sbi, blocks_freed));
++ EXT4_NUM_B2C(sbi, blocks_freed));
+
+ if (sbi->s_log_groups_per_flex) {
+ ext4_group_t flex_group = ext4_flex_group(sbi, block_group);
+- atomic_add(EXT4_B2C(sbi, blocks_freed),
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ atomic64_add(EXT4_NUM_B2C(sbi, blocks_freed),
++ &sbi->s_flex_groups[flex_group].free_clusters);
+ }
+
+ ext4_mb_unload_buddy(&e4b);
+diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
+index 33129c0..6e67b97 100644
+--- a/fs/ext4/resize.c
++++ b/fs/ext4/resize.c
+@@ -938,7 +938,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
+
+ /* Update the free space counts */
+ percpu_counter_add(&sbi->s_freeclusters_counter,
+- EXT4_B2C(sbi, input->free_blocks_count));
++ EXT4_NUM_B2C(sbi, input->free_blocks_count));
+ percpu_counter_add(&sbi->s_freeinodes_counter,
+ EXT4_INODES_PER_GROUP(sb));
+
+@@ -946,8 +946,8 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
+ sbi->s_log_groups_per_flex) {
+ ext4_group_t flex_group;
+ flex_group = ext4_flex_group(sbi, input->group);
+- atomic_add(EXT4_B2C(sbi, input->free_blocks_count),
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ atomic64_add(EXT4_NUM_B2C(sbi, input->free_blocks_count),
++ &sbi->s_flex_groups[flex_group].free_clusters);
+ atomic_add(EXT4_INODES_PER_GROUP(sb),
+ &sbi->s_flex_groups[flex_group].free_inodes);
+ }
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index 24ac7a2..cc386b2 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -2047,8 +2047,8 @@ static int ext4_fill_flex_info(struct super_block *sb)
+ flex_group = ext4_flex_group(sbi, i);
+ atomic_add(ext4_free_inodes_count(sb, gdp),
+ &sbi->s_flex_groups[flex_group].free_inodes);
+- atomic_add(ext4_free_group_clusters(sb, gdp),
+- &sbi->s_flex_groups[flex_group].free_clusters);
++ atomic64_add(ext4_free_group_clusters(sb, gdp),
++ &sbi->s_flex_groups[flex_group].free_clusters);
+ atomic_add(ext4_used_dirs_count(sb, gdp),
+ &sbi->s_flex_groups[flex_group].used_dirs);
+ }
+diff --git a/fs/isofs/export.c b/fs/isofs/export.c
+index 516eb21..fd88add 100644
+--- a/fs/isofs/export.c
++++ b/fs/isofs/export.c
+@@ -135,6 +135,7 @@ isofs_export_encode_fh(struct dentry *dentry,
+ len = 3;
+ fh32[0] = ei->i_iget5_block;
+ fh16[2] = (__u16)ei->i_iget5_offset; /* fh16 [sic] */
++ fh16[3] = 0; /* avoid leaking uninitialized data */
+ fh32[2] = inode->i_generation;
+ if (connectable && !S_ISDIR(inode->i_mode)) {
+ struct inode *parent;
+diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
+index d7dd774..6ac5bb1 100644
+--- a/fs/jbd2/transaction.c
++++ b/fs/jbd2/transaction.c
+@@ -1016,9 +1016,12 @@ out:
+ void jbd2_journal_set_triggers(struct buffer_head *bh,
+ struct jbd2_buffer_trigger_type *type)
+ {
+- struct journal_head *jh = bh2jh(bh);
++ struct journal_head *jh = jbd2_journal_grab_journal_head(bh);
+
++ if (WARN_ON(!jh))
++ return;
+ jh->b_triggers = type;
++ jbd2_journal_put_journal_head(jh);
+ }
+
+ void jbd2_buffer_frozen_trigger(struct journal_head *jh, void *mapped_data,
+@@ -1070,17 +1073,18 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)
+ {
+ transaction_t *transaction = handle->h_transaction;
+ journal_t *journal = transaction->t_journal;
+- struct journal_head *jh = bh2jh(bh);
++ struct journal_head *jh;
+ int ret = 0;
+
+- jbd_debug(5, "journal_head %p\n", jh);
+- JBUFFER_TRACE(jh, "entry");
+ if (is_handle_aborted(handle))
+ goto out;
+- if (!buffer_jbd(bh)) {
++ jh = jbd2_journal_grab_journal_head(bh);
++ if (!jh) {
+ ret = -EUCLEAN;
+ goto out;
+ }
++ jbd_debug(5, "journal_head %p\n", jh);
++ JBUFFER_TRACE(jh, "entry");
+
+ jbd_lock_bh_state(bh);
+
+@@ -1171,6 +1175,7 @@ int jbd2_journal_dirty_metadata(handle_t *handle, struct buffer_head *bh)
+ spin_unlock(&journal->j_list_lock);
+ out_unlock_bh:
+ jbd_unlock_bh_state(bh);
++ jbd2_journal_put_journal_head(jh);
+ out:
+ JBUFFER_TRACE(jh, "exit");
+ WARN_ON(ret); /* All errors are bugs, so dump the stack */
+diff --git a/fs/proc/inode.c b/fs/proc/inode.c
+index 7737c54..00f08b3 100644
+--- a/fs/proc/inode.c
++++ b/fs/proc/inode.c
+@@ -427,12 +427,10 @@ static const struct file_operations proc_reg_file_ops_no_compat = {
+
+ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
+ {
+- struct inode * inode;
++ struct inode *inode = new_inode_pseudo(sb);
+
+- inode = iget_locked(sb, de->low_ino);
+- if (!inode)
+- return NULL;
+- if (inode->i_state & I_NEW) {
++ if (inode) {
++ inode->i_ino = de->low_ino;
+ inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
+ PROC_I(inode)->fd = 0;
+ PROC_I(inode)->pde = de;
+@@ -461,9 +459,7 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
+ inode->i_fop = de->proc_fops;
+ }
+ }
+- unlock_new_inode(inode);
+- } else
+- pde_put(de);
++ }
+ return inode;
+ }
+
+diff --git a/fs/udf/namei.c b/fs/udf/namei.c
+index 4639e13..71c97fb 100644
+--- a/fs/udf/namei.c
++++ b/fs/udf/namei.c
+@@ -1293,6 +1293,7 @@ static int udf_encode_fh(struct dentry *de, __u32 *fh, int *lenp,
+ *lenp = 3;
+ fid->udf.block = location.logicalBlockNum;
+ fid->udf.partref = location.partitionReferenceNum;
++ fid->udf.parent_partref = 0;
+ fid->udf.generation = inode->i_generation;
+
+ if (connectable && !S_ISDIR(inode->i_mode)) {
+diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h
+index 555c0ae..743f7a5 100644
+--- a/include/asm-generic/signal.h
++++ b/include/asm-generic/signal.h
+@@ -99,6 +99,10 @@ typedef unsigned long old_sigset_t;
+
+ #include <asm-generic/signal-defs.h>
+
++#ifdef SA_RESTORER
++#define __ARCH_HAS_SA_RESTORER
++#endif
++
+ struct sigaction {
+ __sighandler_t sa_handler;
+ unsigned long sa_flags;
+diff --git a/include/linux/efi.h b/include/linux/efi.h
+index ce95a4b..8469f3f 100644
+--- a/include/linux/efi.h
++++ b/include/linux/efi.h
+@@ -484,7 +484,8 @@ struct efivars {
+ * 1) ->list - adds, removals, reads, writes
+ * 2) ops.[gs]et_variable() calls.
+ * It must not be held when creating sysfs entries or calling kmalloc.
+- * ops.get_next_variable() is only called from register_efivars(),
++ * ops.get_next_variable() is only called from register_efivars()
++ * or efivar_update_sysfs_entries(),
+ * which is protected by the BKL, so that path is safe.
+ */
+ spinlock_t lock;
+diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
+index b669be6..9b9b2aa 100644
+--- a/include/linux/perf_event.h
++++ b/include/linux/perf_event.h
+@@ -1186,6 +1186,12 @@ static inline void perf_event_disable(struct perf_event *event) { }
+ static inline void perf_event_task_tick(void) { }
+ #endif
+
++#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_INTEL)
++extern void perf_restore_debug_store(void);
++#else
++static inline void perf_restore_debug_store(void) { }
++#endif
++
+ #define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x))
+
+ /*
+diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
+index 53dc7e7..da65890 100644
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -455,7 +455,7 @@ struct sk_buff {
+ union {
+ __u32 mark;
+ __u32 dropcount;
+- __u32 avail_size;
++ __u32 reserved_tailroom;
+ };
+
+ __u16 vlan_tci;
+@@ -1332,7 +1332,10 @@ static inline int skb_tailroom(const struct sk_buff *skb)
+ */
+ static inline int skb_availroom(const struct sk_buff *skb)
+ {
+- return skb_is_nonlinear(skb) ? 0 : skb->avail_size - skb->len;
++ if (skb_is_nonlinear(skb))
++ return 0;
++
++ return skb->end - skb->tail - skb->reserved_tailroom;
+ }
+
+ /**
+diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
+index 16ff29a..b289bd2 100644
+--- a/include/net/inet_frag.h
++++ b/include/net/inet_frag.h
+@@ -33,6 +33,13 @@ struct inet_frag_queue {
+
+ #define INETFRAGS_HASHSZ 64
+
++/* averaged:
++ * max_depth = default ipfrag_high_thresh / INETFRAGS_HASHSZ /
++ * rounded up (SKB_TRUELEN(0) + sizeof(struct ipq or
++ * struct frag_queue))
++ */
++#define INETFRAGS_MAXDEPTH 128
++
+ struct inet_frags {
+ struct hlist_head hash[INETFRAGS_HASHSZ];
+ rwlock_t lock;
+@@ -64,6 +71,8 @@ int inet_frag_evictor(struct netns_frags *nf, struct inet_frags *f);
+ struct inet_frag_queue *inet_frag_find(struct netns_frags *nf,
+ struct inet_frags *f, void *key, unsigned int hash)
+ __releases(&f->lock);
++void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
++ const char *prefix);
+
+ static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f)
+ {
+diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
+index 10422ef..2124004 100644
+--- a/include/net/ip_fib.h
++++ b/include/net/ip_fib.h
+@@ -129,18 +129,16 @@ struct fib_result_nl {
+ };
+
+ #ifdef CONFIG_IP_ROUTE_MULTIPATH
+-
+ #define FIB_RES_NH(res) ((res).fi->fib_nh[(res).nh_sel])
+-
+-#define FIB_TABLE_HASHSZ 2
+-
+ #else /* CONFIG_IP_ROUTE_MULTIPATH */
+-
+ #define FIB_RES_NH(res) ((res).fi->fib_nh[0])
++#endif /* CONFIG_IP_ROUTE_MULTIPATH */
+
++#ifdef CONFIG_IP_MULTIPLE_TABLES
+ #define FIB_TABLE_HASHSZ 256
+-
+-#endif /* CONFIG_IP_ROUTE_MULTIPATH */
++#else
++#define FIB_TABLE_HASHSZ 2
++#endif
+
+ extern __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh);
+
+diff --git a/kernel/signal.c b/kernel/signal.c
+index 71e1816..ea76d30 100644
+--- a/kernel/signal.c
++++ b/kernel/signal.c
+@@ -481,7 +481,7 @@ flush_signal_handlers(struct task_struct *t, int force_default)
+ if (force_default || ka->sa.sa_handler != SIG_IGN)
+ ka->sa.sa_handler = SIG_DFL;
+ ka->sa.sa_flags = 0;
+-#ifdef SA_RESTORER
++#ifdef __ARCH_HAS_SA_RESTORER
+ ka->sa.sa_restorer = NULL;
+ #endif
+ sigemptyset(&ka->sa.sa_mask);
+diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
+index 6c880e8..0943d2a 100644
+--- a/kernel/trace/ftrace.c
++++ b/kernel/trace/ftrace.c
+@@ -2725,8 +2725,8 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops,
+ continue;
+ }
+
+- hlist_del(&entry->node);
+- call_rcu(&entry->rcu, ftrace_free_entry_rcu);
++ hlist_del_rcu(&entry->node);
++ call_rcu_sched(&entry->rcu, ftrace_free_entry_rcu);
+ }
+ }
+ __disable_ftrace_function_probe();
+diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
+index 5638104..17edb14 100644
+--- a/kernel/trace/trace.c
++++ b/kernel/trace/trace.c
+@@ -652,7 +652,7 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
+ void
+ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
+ {
+- struct ring_buffer *buf = tr->buffer;
++ struct ring_buffer *buf;
+
+ if (trace_stop_count)
+ return;
+@@ -664,6 +664,7 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
+ }
+ arch_spin_lock(&ftrace_max_lock);
+
++ buf = tr->buffer;
+ tr->buffer = max_tr.buffer;
+ max_tr.buffer = buf;
+
+@@ -2635,11 +2636,25 @@ static int set_tracer_option(struct tracer *trace, char *cmp, int neg)
+ return -EINVAL;
+ }
+
+-static void set_tracer_flags(unsigned int mask, int enabled)
++/* Some tracers require overwrite to stay enabled */
++int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set)
++{
++ if (tracer->enabled && (mask & TRACE_ITER_OVERWRITE) && !set)
++ return -1;
++
++ return 0;
++}
++
++int set_tracer_flag(unsigned int mask, int enabled)
+ {
+ /* do nothing if flag is already set */
+ if (!!(trace_flags & mask) == !!enabled)
+- return;
++ return 0;
++
++ /* Give the tracer a chance to approve the change */
++ if (current_trace->flag_changed)
++ if (current_trace->flag_changed(current_trace, mask, !!enabled))
++ return -EINVAL;
+
+ if (enabled)
+ trace_flags |= mask;
+@@ -2649,8 +2664,14 @@ static void set_tracer_flags(unsigned int mask, int enabled)
+ if (mask == TRACE_ITER_RECORD_CMD)
+ trace_event_enable_cmd_record(enabled);
+
+- if (mask == TRACE_ITER_OVERWRITE)
++ if (mask == TRACE_ITER_OVERWRITE) {
+ ring_buffer_change_overwrite(global_trace.buffer, enabled);
++#ifdef CONFIG_TRACER_MAX_TRACE
++ ring_buffer_change_overwrite(max_tr.buffer, enabled);
++#endif
++ }
++
++ return 0;
+ }
+
+ static ssize_t
+@@ -2660,7 +2681,7 @@ tracing_trace_options_write(struct file *filp, const char __user *ubuf,
+ char buf[64];
+ char *cmp;
+ int neg = 0;
+- int ret;
++ int ret = 0;
+ int i;
+
+ if (cnt >= sizeof(buf))
+@@ -2677,21 +2698,23 @@ tracing_trace_options_write(struct file *filp, const char __user *ubuf,
+ cmp += 2;
+ }
+
++ mutex_lock(&trace_types_lock);
++
+ for (i = 0; trace_options[i]; i++) {
+ if (strcmp(cmp, trace_options[i]) == 0) {
+- set_tracer_flags(1 << i, !neg);
++ ret = set_tracer_flag(1 << i, !neg);
+ break;
+ }
+ }
+
+ /* If no option could be set, test the specific tracer options */
+- if (!trace_options[i]) {
+- mutex_lock(&trace_types_lock);
++ if (!trace_options[i])
+ ret = set_tracer_option(current_trace, cmp, neg);
+- mutex_unlock(&trace_types_lock);
+- if (ret)
+- return ret;
+- }
++
++ mutex_unlock(&trace_types_lock);
++
++ if (ret)
++ return ret;
+
+ *ppos += cnt;
+
+@@ -3015,6 +3038,9 @@ static int tracing_set_tracer(const char *buf)
+ goto out;
+
+ trace_branch_disable();
++
++ current_trace->enabled = false;
++
+ if (current_trace && current_trace->reset)
+ current_trace->reset(tr);
+ if (current_trace && current_trace->use_max_tr) {
+@@ -3044,6 +3070,7 @@ static int tracing_set_tracer(const char *buf)
+ goto out;
+ }
+
++ current_trace->enabled = true;
+ trace_branch_enable(tr);
+ out:
+ mutex_unlock(&trace_types_lock);
+@@ -4378,7 +4405,13 @@ trace_options_core_write(struct file *filp, const char __user *ubuf, size_t cnt,
+
+ if (val != 0 && val != 1)
+ return -EINVAL;
+- set_tracer_flags(1 << index, val);
++
++ mutex_lock(&trace_types_lock);
++ ret = set_tracer_flag(1 << index, val);
++ mutex_unlock(&trace_types_lock);
++
++ if (ret < 0)
++ return ret;
+
+ *ppos += cnt;
+
+diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
+index 092e1f8..c3c3f6b 100644
+--- a/kernel/trace/trace.h
++++ b/kernel/trace/trace.h
+@@ -271,10 +271,14 @@ struct tracer {
+ enum print_line_t (*print_line)(struct trace_iterator *iter);
+ /* If you handled the flag setting, return 0 */
+ int (*set_flag)(u32 old_flags, u32 bit, int set);
++ /* Return 0 if OK with change, else return non-zero */
++ int (*flag_changed)(struct tracer *tracer,
++ u32 mask, int set);
+ struct tracer *next;
+ struct tracer_flags *flags;
+ int print_max;
+ int use_max_tr;
++ bool enabled;
+ };
+
+
+@@ -815,6 +819,9 @@ extern struct list_head ftrace_events;
+ extern const char *__start___trace_bprintk_fmt[];
+ extern const char *__stop___trace_bprintk_fmt[];
+
++int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set);
++int set_tracer_flag(unsigned int mask, int enabled);
++
+ #undef FTRACE_ENTRY
+ #define FTRACE_ENTRY(call, struct_name, id, tstruct, print) \
+ extern struct ftrace_event_call \
+diff --git a/kernel/trace/trace_irqsoff.c b/kernel/trace/trace_irqsoff.c
+index 20dad0d..1626e1a 100644
+--- a/kernel/trace/trace_irqsoff.c
++++ b/kernel/trace/trace_irqsoff.c
+@@ -32,7 +32,7 @@ enum {
+
+ static int trace_type __read_mostly;
+
+-static int save_lat_flag;
++static int save_flags;
+
+ static void stop_irqsoff_tracer(struct trace_array *tr, int graph);
+ static int start_irqsoff_tracer(struct trace_array *tr, int graph);
+@@ -546,8 +546,11 @@ static void stop_irqsoff_tracer(struct trace_array *tr, int graph)
+
+ static void __irqsoff_tracer_init(struct trace_array *tr)
+ {
+- save_lat_flag = trace_flags & TRACE_ITER_LATENCY_FMT;
+- trace_flags |= TRACE_ITER_LATENCY_FMT;
++ save_flags = trace_flags;
++
++ /* non overwrite screws up the latency tracers */
++ set_tracer_flag(TRACE_ITER_OVERWRITE, 1);
++ set_tracer_flag(TRACE_ITER_LATENCY_FMT, 1);
+
+ tracing_max_latency = 0;
+ irqsoff_trace = tr;
+@@ -561,10 +564,13 @@ static void __irqsoff_tracer_init(struct trace_array *tr)
+
+ static void irqsoff_tracer_reset(struct trace_array *tr)
+ {
++ int lat_flag = save_flags & TRACE_ITER_LATENCY_FMT;
++ int overwrite_flag = save_flags & TRACE_ITER_OVERWRITE;
++
+ stop_irqsoff_tracer(tr, is_graph());
+
+- if (!save_lat_flag)
+- trace_flags &= ~TRACE_ITER_LATENCY_FMT;
++ set_tracer_flag(TRACE_ITER_LATENCY_FMT, lat_flag);
++ set_tracer_flag(TRACE_ITER_OVERWRITE, overwrite_flag);
+ }
+
+ static void irqsoff_tracer_start(struct trace_array *tr)
+@@ -597,6 +603,7 @@ static struct tracer irqsoff_tracer __read_mostly =
+ .print_line = irqsoff_print_line,
+ .flags = &tracer_flags,
+ .set_flag = irqsoff_set_flag,
++ .flag_changed = trace_keep_overwrite,
+ #ifdef CONFIG_FTRACE_SELFTEST
+ .selftest = trace_selftest_startup_irqsoff,
+ #endif
+@@ -630,6 +637,7 @@ static struct tracer preemptoff_tracer __read_mostly =
+ .print_line = irqsoff_print_line,
+ .flags = &tracer_flags,
+ .set_flag = irqsoff_set_flag,
++ .flag_changed = trace_keep_overwrite,
+ #ifdef CONFIG_FTRACE_SELFTEST
+ .selftest = trace_selftest_startup_preemptoff,
+ #endif
+@@ -665,6 +673,7 @@ static struct tracer preemptirqsoff_tracer __read_mostly =
+ .print_line = irqsoff_print_line,
+ .flags = &tracer_flags,
+ .set_flag = irqsoff_set_flag,
++ .flag_changed = trace_keep_overwrite,
+ #ifdef CONFIG_FTRACE_SELFTEST
+ .selftest = trace_selftest_startup_preemptirqsoff,
+ #endif
+diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
+index e4a70c0..6857e0c 100644
+--- a/kernel/trace/trace_sched_wakeup.c
++++ b/kernel/trace/trace_sched_wakeup.c
+@@ -36,7 +36,7 @@ static void __wakeup_reset(struct trace_array *tr);
+ static int wakeup_graph_entry(struct ftrace_graph_ent *trace);
+ static void wakeup_graph_return(struct ftrace_graph_ret *trace);
+
+-static int save_lat_flag;
++static int save_flags;
+
+ #define TRACE_DISPLAY_GRAPH 1
+
+@@ -528,8 +528,11 @@ static void stop_wakeup_tracer(struct trace_array *tr)
+
+ static int __wakeup_tracer_init(struct trace_array *tr)
+ {
+- save_lat_flag = trace_flags & TRACE_ITER_LATENCY_FMT;
+- trace_flags |= TRACE_ITER_LATENCY_FMT;
++ save_flags = trace_flags;
++
++ /* non overwrite screws up the latency tracers */
++ set_tracer_flag(TRACE_ITER_OVERWRITE, 1);
++ set_tracer_flag(TRACE_ITER_LATENCY_FMT, 1);
+
+ tracing_max_latency = 0;
+ wakeup_trace = tr;
+@@ -551,12 +554,15 @@ static int wakeup_rt_tracer_init(struct trace_array *tr)
+
+ static void wakeup_tracer_reset(struct trace_array *tr)
+ {
++ int lat_flag = save_flags & TRACE_ITER_LATENCY_FMT;
++ int overwrite_flag = save_flags & TRACE_ITER_OVERWRITE;
++
+ stop_wakeup_tracer(tr);
+ /* make sure we put back any tasks we are tracing */
+ wakeup_reset(tr);
+
+- if (!save_lat_flag)
+- trace_flags &= ~TRACE_ITER_LATENCY_FMT;
++ set_tracer_flag(TRACE_ITER_LATENCY_FMT, lat_flag);
++ set_tracer_flag(TRACE_ITER_OVERWRITE, overwrite_flag);
+ }
+
+ static void wakeup_tracer_start(struct trace_array *tr)
+@@ -582,6 +588,7 @@ static struct tracer wakeup_tracer __read_mostly =
+ .print_line = wakeup_print_line,
+ .flags = &tracer_flags,
+ .set_flag = wakeup_set_flag,
++ .flag_changed = trace_keep_overwrite,
+ #ifdef CONFIG_FTRACE_SELFTEST
+ .selftest = trace_selftest_startup_wakeup,
+ #endif
+@@ -603,6 +610,7 @@ static struct tracer wakeup_rt_tracer __read_mostly =
+ .print_line = wakeup_print_line,
+ .flags = &tracer_flags,
+ .set_flag = wakeup_set_flag,
++ .flag_changed = trace_keep_overwrite,
+ #ifdef CONFIG_FTRACE_SELFTEST
+ .selftest = trace_selftest_startup_wakeup,
+ #endif
+diff --git a/mm/hugetlb.c b/mm/hugetlb.c
+index d6c0fdf..4c7d42a 100644
+--- a/mm/hugetlb.c
++++ b/mm/hugetlb.c
+@@ -2092,8 +2092,12 @@ int hugetlb_report_node_meminfo(int nid, char *buf)
+ /* Return the number pages of memory we physically have, in PAGE_SIZE units. */
+ unsigned long hugetlb_total_pages(void)
+ {
+- struct hstate *h = &default_hstate;
+- return h->nr_huge_pages * pages_per_huge_page(h);
++ struct hstate *h;
++ unsigned long nr_total_pages = 0;
++
++ for_each_hstate(h)
++ nr_total_pages += h->nr_huge_pages * pages_per_huge_page(h);
++ return nr_total_pages;
+ }
+
+ static int hugetlb_acct_memory(struct hstate *h, long delta)
+diff --git a/net/core/dev.c b/net/core/dev.c
+index 2aac4ec..b23bbbf 100644
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -3299,6 +3299,7 @@ ncls:
+ }
+ switch (rx_handler(&skb)) {
+ case RX_HANDLER_CONSUMED:
++ ret = NET_RX_SUCCESS;
+ goto out;
+ case RX_HANDLER_ANOTHER:
+ goto another_round;
+diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
+index 5229c7f..3b5e680 100644
+--- a/net/core/rtnetlink.c
++++ b/net/core/rtnetlink.c
+@@ -973,6 +973,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev,
+ * report anything.
+ */
+ ivi.spoofchk = -1;
++ memset(ivi.mac, 0, sizeof(ivi.mac));
+ if (dev->netdev_ops->ndo_get_vf_config(dev, i, &ivi))
+ break;
+ vf_mac.vf =
+@@ -2041,7 +2042,7 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+ struct rtattr *attr = (void *)nlh + NLMSG_ALIGN(min_len);
+
+ while (RTA_OK(attr, attrlen)) {
+- unsigned flavor = attr->rta_type;
++ unsigned int flavor = attr->rta_type & NLA_TYPE_MASK;
+ if (flavor) {
+ if (flavor > rta_max[sz_idx])
+ return -EINVAL;
+diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
+index d860530..2f9517d 100644
+--- a/net/dcb/dcbnl.c
++++ b/net/dcb/dcbnl.c
+@@ -336,6 +336,7 @@ static int dcbnl_getperm_hwaddr(struct net_device *netdev, struct nlattr **tb,
+ dcb->dcb_family = AF_UNSPEC;
+ dcb->cmd = DCB_CMD_GPERM_HWADDR;
+
++ memset(perm_addr, 0, sizeof(perm_addr));
+ netdev->dcbnl_ops->getpermhwaddr(netdev, perm_addr);
+
+ ret = nla_put(dcbnl_skb, DCB_ATTR_PERM_HWADDR, sizeof(perm_addr),
+@@ -1238,6 +1239,7 @@ static int dcbnl_ieee_fill(struct sk_buff *skb, struct net_device *netdev)
+
+ if (ops->ieee_getets) {
+ struct ieee_ets ets;
++ memset(&ets, 0, sizeof(ets));
+ err = ops->ieee_getets(netdev, &ets);
+ if (!err)
+ NLA_PUT(skb, DCB_ATTR_IEEE_ETS, sizeof(ets), &ets);
+@@ -1245,6 +1247,7 @@ static int dcbnl_ieee_fill(struct sk_buff *skb, struct net_device *netdev)
+
+ if (ops->ieee_getpfc) {
+ struct ieee_pfc pfc;
++ memset(&pfc, 0, sizeof(pfc));
+ err = ops->ieee_getpfc(netdev, &pfc);
+ if (!err)
+ NLA_PUT(skb, DCB_ATTR_IEEE_PFC, sizeof(pfc), &pfc);
+@@ -1277,6 +1280,7 @@ static int dcbnl_ieee_fill(struct sk_buff *skb, struct net_device *netdev)
+ /* get peer info if available */
+ if (ops->ieee_peer_getets) {
+ struct ieee_ets ets;
++ memset(&ets, 0, sizeof(ets));
+ err = ops->ieee_peer_getets(netdev, &ets);
+ if (!err)
+ NLA_PUT(skb, DCB_ATTR_IEEE_PEER_ETS, sizeof(ets), &ets);
+@@ -1284,6 +1288,7 @@ static int dcbnl_ieee_fill(struct sk_buff *skb, struct net_device *netdev)
+
+ if (ops->ieee_peer_getpfc) {
+ struct ieee_pfc pfc;
++ memset(&pfc, 0, sizeof(pfc));
+ err = ops->ieee_peer_getpfc(netdev, &pfc);
+ if (!err)
+ NLA_PUT(skb, DCB_ATTR_IEEE_PEER_PFC, sizeof(pfc), &pfc);
+@@ -1463,6 +1468,7 @@ static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
+ /* peer info if available */
+ if (ops->cee_peer_getpg) {
+ struct cee_pg pg;
++ memset(&pg, 0, sizeof(pg));
+ err = ops->cee_peer_getpg(netdev, &pg);
+ if (!err)
+ NLA_PUT(skb, DCB_ATTR_CEE_PEER_PG, sizeof(pg), &pg);
+@@ -1470,6 +1476,7 @@ static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
+
+ if (ops->cee_peer_getpfc) {
+ struct cee_pfc pfc;
++ memset(&pfc, 0, sizeof(pfc));
+ err = ops->cee_peer_getpfc(netdev, &pfc);
+ if (!err)
+ NLA_PUT(skb, DCB_ATTR_CEE_PEER_PFC, sizeof(pfc), &pfc);
+diff --git a/net/ieee802154/6lowpan.h b/net/ieee802154/6lowpan.h
+index 5d8cf80..8b0866f 100644
+--- a/net/ieee802154/6lowpan.h
++++ b/net/ieee802154/6lowpan.h
+@@ -87,7 +87,7 @@
+ (memcmp(addr1, addr2, length >> 3) == 0)
+
+ /* local link, i.e. FE80::/10 */
+-#define is_addr_link_local(a) (((a)->s6_addr16[0]) == 0x80FE)
++#define is_addr_link_local(a) (((a)->s6_addr16[0]) == htons(0xFE80))
+
+ /*
+ * check whether we can compress the IID to 16 bits,
+diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
+index 5ff2a51..210b710 100644
+--- a/net/ipv4/inet_fragment.c
++++ b/net/ipv4/inet_fragment.c
+@@ -21,6 +21,7 @@
+ #include <linux/rtnetlink.h>
+ #include <linux/slab.h>
+
++#include <net/sock.h>
+ #include <net/inet_frag.h>
+
+ static void inet_frag_secret_rebuild(unsigned long dummy)
+@@ -271,6 +272,7 @@ struct inet_frag_queue *inet_frag_find(struct netns_frags *nf,
+ {
+ struct inet_frag_queue *q;
+ struct hlist_node *n;
++ int depth = 0;
+
+ hlist_for_each_entry(q, n, &f->hash[hash], list) {
+ if (q->net == nf && f->match(q, key)) {
+@@ -278,9 +280,25 @@ struct inet_frag_queue *inet_frag_find(struct netns_frags *nf,
+ read_unlock(&f->lock);
+ return q;
+ }
++ depth++;
+ }
+ read_unlock(&f->lock);
+
+- return inet_frag_create(nf, f, key);
++ if (depth <= INETFRAGS_MAXDEPTH)
++ return inet_frag_create(nf, f, key);
++ else
++ return ERR_PTR(-ENOBUFS);
+ }
+ EXPORT_SYMBOL(inet_frag_find);
++
++void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
++ const char *prefix)
++{
++ static const char msg[] = "inet_frag_find: Fragment hash bucket"
++ " list length grew over limit " __stringify(INETFRAGS_MAXDEPTH)
++ ". Dropping fragment.\n";
++
++ if (PTR_ERR(q) == -ENOBUFS)
++ LIMIT_NETDEBUG(KERN_WARNING "%s%s", prefix, msg);
++}
++EXPORT_SYMBOL(inet_frag_maybe_warn_overflow);
+diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
+index a4e7131..b2cfe83 100644
+--- a/net/ipv4/ip_fragment.c
++++ b/net/ipv4/ip_fragment.c
+@@ -20,6 +20,8 @@
+ * Patrick McHardy : LRU queue of frag heads for evictor.
+ */
+
++#define pr_fmt(fmt) "IPv4: " fmt
++
+ #include <linux/compiler.h>
+ #include <linux/module.h>
+ #include <linux/types.h>
+@@ -293,14 +295,12 @@ static inline struct ipq *ip_find(struct net *net, struct iphdr *iph, u32 user)
+ hash = ipqhashfn(iph->id, iph->saddr, iph->daddr, iph->protocol);
+
+ q = inet_frag_find(&net->ipv4.frags, &ip4_frags, &arg, hash);
+- if (q == NULL)
+- goto out_nomem;
++ if (IS_ERR_OR_NULL(q)) {
++ inet_frag_maybe_warn_overflow(q, pr_fmt());
++ return NULL;
++ }
+
+ return container_of(q, struct ipq, q);
+-
+-out_nomem:
+- LIMIT_NETDEBUG(KERN_ERR "ip_frag_create: no memory left !\n");
+- return NULL;
+ }
+
+ /* Is the fragment too far ahead to be part of ipq? */
+diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
+index 42dd1a9..40eb4fc 100644
+--- a/net/ipv4/ip_options.c
++++ b/net/ipv4/ip_options.c
+@@ -358,7 +358,6 @@ int ip_options_compile(struct net *net,
+ }
+ switch (optptr[3]&0xF) {
+ case IPOPT_TS_TSONLY:
+- opt->ts = optptr - iph;
+ if (skb)
+ timeptr = &optptr[optptr[2]-1];
+ opt->ts_needtime = 1;
+@@ -369,7 +368,6 @@ int ip_options_compile(struct net *net,
+ pp_ptr = optptr + 2;
+ goto error;
+ }
+- opt->ts = optptr - iph;
+ if (rt) {
+ memcpy(&optptr[optptr[2]-1], &rt->rt_spec_dst, 4);
+ timeptr = &optptr[optptr[2]+3];
+@@ -383,7 +381,6 @@ int ip_options_compile(struct net *net,
+ pp_ptr = optptr + 2;
+ goto error;
+ }
+- opt->ts = optptr - iph;
+ {
+ __be32 addr;
+ memcpy(&addr, &optptr[optptr[2]-1], 4);
+@@ -416,12 +413,12 @@ int ip_options_compile(struct net *net,
+ pp_ptr = optptr + 3;
+ goto error;
+ }
+- opt->ts = optptr - iph;
+ if (skb) {
+ optptr[3] = (optptr[3]&0xF)|((overflow+1)<<4);
+ opt->is_changed = 1;
+ }
+ }
++ opt->ts = optptr - iph;
+ break;
+ case IPOPT_RA:
+ if (optlen < 4) {
+diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
+index 52edbb8..fe381c2 100644
+--- a/net/ipv4/tcp.c
++++ b/net/ipv4/tcp.c
+@@ -704,7 +704,7 @@ struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp)
+ * Make sure that we have exactly size bytes
+ * available to the caller, no more, no less.
+ */
+- skb->avail_size = size;
++ skb->reserved_tailroom = skb->end - skb->tail - size;
+ return skb;
+ }
+ __kfree_skb(skb);
+diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
+index e865ed1..1b1f7af 100644
+--- a/net/ipv4/tcp_input.c
++++ b/net/ipv4/tcp_input.c
+@@ -5494,6 +5494,9 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
+ if (tcp_checksum_complete_user(sk, skb))
+ goto csum_error;
+
++ if ((int)skb->truesize > sk->sk_forward_alloc)
++ goto step5;
++
+ /* Predicted packet is in window by definition.
+ * seq == rcv_nxt and rcv_wup <= rcv_nxt.
+ * Hence, check seq<=rcv_wup reduces to:
+@@ -5505,9 +5508,6 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
+
+ tcp_rcv_rtt_measure_ts(sk, skb);
+
+- if ((int)skb->truesize > sk->sk_forward_alloc)
+- goto step5;
+-
+ NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPHPHITS);
+
+ /* Bulk data transfer: receiver */
+diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
+index 921cbac..9bb7400 100644
+--- a/net/ipv4/tcp_output.c
++++ b/net/ipv4/tcp_output.c
+@@ -1096,7 +1096,6 @@ static void __pskb_trim_head(struct sk_buff *skb, int len)
+ eat = min_t(int, len, skb_headlen(skb));
+ if (eat) {
+ __skb_pull(skb, eat);
+- skb->avail_size -= eat;
+ len -= eat;
+ if (!len)
+ return;
+diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
+index a46c64e..f8d24dd 100644
+--- a/net/ipv6/ip6_input.c
++++ b/net/ipv6/ip6_input.c
+@@ -265,7 +265,8 @@ int ip6_mc_input(struct sk_buff *skb)
+ * IPv6 multicast router mode is now supported ;)
+ */
+ if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding &&
+- !(ipv6_addr_type(&hdr->daddr) & IPV6_ADDR_LINKLOCAL) &&
++ !(ipv6_addr_type(&hdr->daddr) &
++ (IPV6_ADDR_LOOPBACK|IPV6_ADDR_LINKLOCAL)) &&
+ likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) {
+ /*
+ * Okay, we try to forward - split and duplicate
+diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
+index 38f00b0..52e2f65 100644
+--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
++++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
+@@ -14,6 +14,8 @@
+ * 2 of the License, or (at your option) any later version.
+ */
+
++#define pr_fmt(fmt) "IPv6-nf: " fmt
++
+ #include <linux/errno.h>
+ #include <linux/types.h>
+ #include <linux/string.h>
+@@ -176,13 +178,12 @@ fq_find(__be32 id, u32 user, struct in6_addr *src, struct in6_addr *dst)
+
+ q = inet_frag_find(&nf_init_frags, &nf_frags, &arg, hash);
+ local_bh_enable();
+- if (q == NULL)
+- goto oom;
++ if (IS_ERR_OR_NULL(q)) {
++ inet_frag_maybe_warn_overflow(q, pr_fmt());
++ return NULL;
++ }
+
+ return container_of(q, struct nf_ct_frag6_queue, q);
+-
+-oom:
+- return NULL;
+ }
+
+
+diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
+index dfb164e..2b0a4ca 100644
+--- a/net/ipv6/reassembly.c
++++ b/net/ipv6/reassembly.c
+@@ -26,6 +26,9 @@
+ * YOSHIFUJI,H. @USAGI Always remove fragment header to
+ * calculate ICV correctly.
+ */
++
++#define pr_fmt(fmt) "IPv6: " fmt
++
+ #include <linux/errno.h>
+ #include <linux/types.h>
+ #include <linux/string.h>
+@@ -240,9 +243,10 @@ fq_find(struct net *net, __be32 id, const struct in6_addr *src, const struct in6
+ hash = inet6_hash_frag(id, src, dst, ip6_frags.rnd);
+
+ q = inet_frag_find(&net->ipv6.frags, &ip6_frags, &arg, hash);
+- if (q == NULL)
++ if (IS_ERR_OR_NULL(q)) {
++ inet_frag_maybe_warn_overflow(q, pr_fmt());
+ return NULL;
+-
++ }
+ return container_of(q, struct frag_queue, q);
+ }
+
+diff --git a/net/ipv6/route.c b/net/ipv6/route.c
+index 791c1fa..18ea73c 100644
+--- a/net/ipv6/route.c
++++ b/net/ipv6/route.c
+@@ -1920,7 +1920,8 @@ void rt6_purge_dflt_routers(struct net *net)
+ restart:
+ read_lock_bh(&table->tb6_lock);
+ for (rt = table->tb6_root.leaf; rt; rt = rt->dst.rt6_next) {
+- if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) {
++ if (rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF) &&
++ (!rt->rt6i_idev || rt->rt6i_idev->cnf.accept_ra != 2)) {
+ dst_hold(&rt->dst);
+ read_unlock_bh(&table->tb6_lock);
+ ip6_del_rt(rt);
+diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
+index b1bd16f..6f60175 100644
+--- a/net/l2tp/l2tp_ppp.c
++++ b/net/l2tp/l2tp_ppp.c
+@@ -360,6 +360,7 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh
+ l2tp_xmit_skb(session, skb, session->hdr_len);
+
+ sock_put(ps->tunnel_sock);
++ sock_put(sk);
+
+ return error;
+
+diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
+index d463f5a..23267b3 100644
+--- a/net/netlabel/netlabel_unlabeled.c
++++ b/net/netlabel/netlabel_unlabeled.c
+@@ -1189,8 +1189,6 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb,
+ struct netlbl_unlhsh_walk_arg cb_arg;
+ u32 skip_bkt = cb->args[0];
+ u32 skip_chain = cb->args[1];
+- u32 skip_addr4 = cb->args[2];
+- u32 skip_addr6 = cb->args[3];
+ u32 iter_bkt;
+ u32 iter_chain = 0, iter_addr4 = 0, iter_addr6 = 0;
+ struct netlbl_unlhsh_iface *iface;
+@@ -1215,7 +1213,7 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb,
+ continue;
+ netlbl_af4list_foreach_rcu(addr4,
+ &iface->addr4_list) {
+- if (iter_addr4++ < skip_addr4)
++ if (iter_addr4++ < cb->args[2])
+ continue;
+ if (netlbl_unlabel_staticlist_gen(
+ NLBL_UNLABEL_C_STATICLIST,
+@@ -1231,7 +1229,7 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb,
+ #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ netlbl_af6list_foreach_rcu(addr6,
+ &iface->addr6_list) {
+- if (iter_addr6++ < skip_addr6)
++ if (iter_addr6++ < cb->args[3])
+ continue;
+ if (netlbl_unlabel_staticlist_gen(
+ NLBL_UNLABEL_C_STATICLIST,
+@@ -1250,10 +1248,10 @@ static int netlbl_unlabel_staticlist(struct sk_buff *skb,
+
+ unlabel_staticlist_return:
+ rcu_read_unlock();
+- cb->args[0] = skip_bkt;
+- cb->args[1] = skip_chain;
+- cb->args[2] = skip_addr4;
+- cb->args[3] = skip_addr6;
++ cb->args[0] = iter_bkt;
++ cb->args[1] = iter_chain;
++ cb->args[2] = iter_addr4;
++ cb->args[3] = iter_addr6;
+ return skb->len;
+ }
+
+@@ -1273,12 +1271,9 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb,
+ {
+ struct netlbl_unlhsh_walk_arg cb_arg;
+ struct netlbl_unlhsh_iface *iface;
+- u32 skip_addr4 = cb->args[0];
+- u32 skip_addr6 = cb->args[1];
+- u32 iter_addr4 = 0;
++ u32 iter_addr4 = 0, iter_addr6 = 0;
+ struct netlbl_af4list *addr4;
+ #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+- u32 iter_addr6 = 0;
+ struct netlbl_af6list *addr6;
+ #endif
+
+@@ -1292,7 +1287,7 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb,
+ goto unlabel_staticlistdef_return;
+
+ netlbl_af4list_foreach_rcu(addr4, &iface->addr4_list) {
+- if (iter_addr4++ < skip_addr4)
++ if (iter_addr4++ < cb->args[0])
+ continue;
+ if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF,
+ iface,
+@@ -1305,7 +1300,7 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb,
+ }
+ #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+ netlbl_af6list_foreach_rcu(addr6, &iface->addr6_list) {
+- if (iter_addr6++ < skip_addr6)
++ if (iter_addr6++ < cb->args[1])
+ continue;
+ if (netlbl_unlabel_staticlist_gen(NLBL_UNLABEL_C_STATICLISTDEF,
+ iface,
+@@ -1320,8 +1315,8 @@ static int netlbl_unlabel_staticlistdef(struct sk_buff *skb,
+
+ unlabel_staticlistdef_return:
+ rcu_read_unlock();
+- cb->args[0] = skip_addr4;
+- cb->args[1] = skip_addr6;
++ cb->args[0] = iter_addr4;
++ cb->args[1] = iter_addr6;
+ return skb->len;
+ }
+
+diff --git a/net/rds/message.c b/net/rds/message.c
+index f0a4658..aff589c 100644
+--- a/net/rds/message.c
++++ b/net/rds/message.c
+@@ -197,6 +197,9 @@ struct rds_message *rds_message_alloc(unsigned int extra_len, gfp_t gfp)
+ {
+ struct rds_message *rm;
+
++ if (extra_len > KMALLOC_MAX_SIZE - sizeof(struct rds_message))
++ return NULL;
++
+ rm = kzalloc(sizeof(struct rds_message) + extra_len, gfp);
+ if (!rm)
+ goto out;
+diff --git a/net/sctp/associola.c b/net/sctp/associola.c
+index acd2edb..3c04692 100644
+--- a/net/sctp/associola.c
++++ b/net/sctp/associola.c
+@@ -1050,7 +1050,7 @@ struct sctp_transport *sctp_assoc_lookup_tsn(struct sctp_association *asoc,
+ transports) {
+
+ if (transport == active)
+- break;
++ continue;
+ list_for_each_entry(chunk, &transport->transmitted,
+ transmitted_list) {
+ if (key == chunk->subh.data_hdr->tsn) {
+diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
+index 891f5db..cb1c430 100644
+--- a/net/sctp/sm_statefuns.c
++++ b/net/sctp/sm_statefuns.c
+@@ -2044,7 +2044,7 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep,
+ }
+
+ /* Delete the tempory new association. */
+- sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, SCTP_ASOC(new_asoc));
++ sctp_add_cmd_sf(commands, SCTP_CMD_SET_ASOC, SCTP_ASOC(new_asoc));
+ sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, SCTP_NULL());
+
+ /* Restore association pointer to provide SCTP command interpeter
+diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
+index 48665ec..8ab2951 100644
+--- a/security/selinux/xfrm.c
++++ b/security/selinux/xfrm.c
+@@ -310,7 +310,7 @@ int selinux_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
+
+ if (old_ctx) {
+ new_ctx = kmalloc(sizeof(*old_ctx) + old_ctx->ctx_len,
+- GFP_KERNEL);
++ GFP_ATOMIC);
+ if (!new_ctx)
+ return -ENOMEM;
+
+diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
+index b0187e7..7747d26 100644
+--- a/sound/pci/hda/hda_codec.c
++++ b/sound/pci/hda/hda_codec.c
+@@ -2771,7 +2771,7 @@ static unsigned int convert_to_spdif_status(unsigned short val)
+ if (val & AC_DIG1_PROFESSIONAL)
+ sbits |= IEC958_AES0_PROFESSIONAL;
+ if (sbits & IEC958_AES0_PROFESSIONAL) {
+- if (sbits & AC_DIG1_EMPHASIS)
++ if (val & AC_DIG1_EMPHASIS)
+ sbits |= IEC958_AES0_PRO_EMPHASIS_5015;
+ } else {
+ if (val & AC_DIG1_EMPHASIS)
+diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
+index c9269ce..984b5b1 100644
+--- a/sound/pci/hda/patch_conexant.c
++++ b/sound/pci/hda/patch_conexant.c
+@@ -1236,7 +1236,7 @@ static int patch_cxt5045(struct hda_codec *codec)
+ }
+
+ if (spec->beep_amp)
+- snd_hda_attach_beep_device(codec, spec->beep_amp);
++ snd_hda_attach_beep_device(codec, get_amp_nid_(spec->beep_amp));
+
+ return 0;
+ }
+@@ -2027,7 +2027,7 @@ static int patch_cxt5051(struct hda_codec *codec)
+ }
+
+ if (spec->beep_amp)
+- snd_hda_attach_beep_device(codec, spec->beep_amp);
++ snd_hda_attach_beep_device(codec, get_amp_nid_(spec->beep_amp));
+
+ conexant_init_jacks(codec);
+ if (spec->auto_mic & AUTO_MIC_PORTB)
+@@ -3225,7 +3225,7 @@ static int patch_cxt5066(struct hda_codec *codec)
+ }
+
+ if (spec->beep_amp)
+- snd_hda_attach_beep_device(codec, spec->beep_amp);
++ snd_hda_attach_beep_device(codec, get_amp_nid_(spec->beep_amp));
+
+ return 0;
+ }
+@@ -4556,7 +4556,7 @@ static int patch_conexant_auto(struct hda_codec *codec)
+ spec->capture_stream = &cx_auto_pcm_analog_capture;
+ codec->patch_ops = cx_auto_patch_ops;
+ if (spec->beep_amp)
+- snd_hda_attach_beep_device(codec, spec->beep_amp);
++ snd_hda_attach_beep_device(codec, get_amp_nid_(spec->beep_amp));
+ return 0;
+ }
+
+diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
+index 9121dee..f4540bf 100644
+--- a/sound/usb/mixer.c
++++ b/sound/usb/mixer.c
+@@ -711,8 +711,9 @@ static int check_input_term(struct mixer_build *state, int id, struct usb_audio_
+ case UAC2_CLOCK_SELECTOR: {
+ struct uac_selector_unit_descriptor *d = p1;
+ /* call recursively to retrieve the channel info */
+- if (check_input_term(state, d->baSourceID[0], term) < 0)
+- return -ENODEV;
++ err = check_input_term(state, d->baSourceID[0], term);
++ if (err < 0)
++ return err;
+ term->type = d->bDescriptorSubtype << 16; /* virtual type */
+ term->id = id;
+ term->name = uac_selector_unit_iSelector(d);
+@@ -1263,8 +1264,9 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void
+ return err;
+
+ /* determine the input source type and name */
+- if (check_input_term(state, hdr->bSourceID, &iterm) < 0)
+- return -EINVAL;
++ err = check_input_term(state, hdr->bSourceID, &iterm);
++ if (err < 0)
++ return err;
+
+ master_bits = snd_usb_combine_bytes(bmaControls, csize);
+ /* master configuration quirks */
+@@ -2018,7 +2020,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
+ state.oterm.type = le16_to_cpu(desc->wTerminalType);
+ state.oterm.name = desc->iTerminal;
+ err = parse_audio_unit(&state, desc->bSourceID);
+- if (err < 0)
++ if (err < 0 && err != -EINVAL)
+ return err;
+ } else { /* UAC_VERSION_2 */
+ struct uac2_output_terminal_descriptor *desc = p;
+@@ -2030,12 +2032,12 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer)
+ state.oterm.type = le16_to_cpu(desc->wTerminalType);
+ state.oterm.name = desc->iTerminal;
+ err = parse_audio_unit(&state, desc->bSourceID);
+- if (err < 0)
++ if (err < 0 && err != -EINVAL)
+ return err;
+
+ /* for UAC2, use the same approach to also add the clock selectors */
+ err = parse_audio_unit(&state, desc->bCSourceID);
+- if (err < 0)
++ if (err < 0 && err != -EINVAL)
+ return err;
+ }
+ }
+diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
+index 0961d88..5e19410 100644
+--- a/tools/hv/hv_kvp_daemon.c
++++ b/tools/hv/hv_kvp_daemon.c
+@@ -393,13 +393,19 @@ int main(void)
+ len = recvfrom(fd, kvp_recv_buffer, sizeof(kvp_recv_buffer), 0,
+ addr_p, &addr_l);
+
+- if (len < 0 || addr.nl_pid) {
++ if (len < 0) {
+ syslog(LOG_ERR, "recvfrom failed; pid:%u error:%d %s",
+ addr.nl_pid, errno, strerror(errno));
+ close(fd);
+ return -1;
+ }
+
++ if (addr.nl_pid) {
++ syslog(LOG_WARNING, "Received packet from untrusted pid:%u",
++ addr.nl_pid);
++ continue;
++ }
++
+ incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
+ incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
+
+diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
+index bf54c48..6c164dc 100644
+--- a/tools/perf/util/trace-event-parse.c
++++ b/tools/perf/util/trace-event-parse.c
+@@ -1582,8 +1582,6 @@ process_symbols(struct event *event, struct print_arg *arg, char **tok)
+ field = malloc_or_die(sizeof(*field));
+
+ type = process_arg(event, field, &token);
+- while (type == EVENT_OP)
+- type = process_op(event, field, &token);
+ if (test_type_token(type, token, EVENT_DELIM, ","))
+ goto out_free;
+