10 files changed, 25 insertions, 24 deletions

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 6c61263ff96d..74cc0fc6bb81 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -311,6 +311,7 @@ int audit_match_class(int class, unsigned syscall)
         return classes[class][AUDIT_WORD(syscall)] & AUDIT_BIT(syscall);
 }
 
+#ifdef CONFIG_AUDITSYSCALL
 static inline int audit_match_class_bits(int class, u32 *mask)
 {
         int i;
@@ -347,6 +348,7 @@ static int audit_match_signal(struct audit_entry *entry)
                 return 1;
         }
 }
+#endif
 
 /* Common user-space to kernel rule translation. */
 static inline struct audit_entry *audit_to_entry_common(struct audit_rule *rule)
diff --git a/kernel/fork.c b/kernel/fork.c
index 49530e40ea8b..87069cfc18a1 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1427,10 +1427,8 @@ static void sighand_ctor(void *data, struct kmem_cache *cachep,
 {
         struct sighand_struct *sighand = data;
 
-        if (flags & SLAB_CTOR_CONSTRUCTOR) {
-                spin_lock_init(&sighand->siglock);
-                INIT_LIST_HEAD(&sighand->signalfd_list);
-        }
+        spin_lock_init(&sighand->siglock);
+        INIT_LIST_HEAD(&sighand->signalfd_list);
 }
 
 void __init proc_caches_init(void)
diff --git a/kernel/power/disk.c b/kernel/power/disk.c
index b5f0543ed84d..f445b9cd60fb 100644
--- a/kernel/power/disk.c
+++ b/kernel/power/disk.c
@@ -416,7 +416,8 @@ static ssize_t disk_store(struct kset *kset, const char *buf, size_t n)
 
         mutex_lock(&pm_mutex);
         for (i = HIBERNATION_FIRST; i <= HIBERNATION_MAX; i++) {
-                if (!strncmp(buf, hibernation_modes[i], len)) {
+                if (len == strlen(hibernation_modes[i])
+                    && !strncmp(buf, hibernation_modes[i], len)) {
                         mode = i;
                         break;
                 }
diff --git a/kernel/power/main.c b/kernel/power/main.c
index 40d56a31245e..8812985f3029 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -97,25 +97,26 @@ static int suspend_prepare(suspend_state_t state)
                 }
         }
 
-        if (pm_ops->prepare) {
-                if ((error = pm_ops->prepare(state)))
-                        goto Thaw;
-        }
-
         suspend_console();
         error = device_suspend(PMSG_SUSPEND);
         if (error) {
                 printk(KERN_ERR "Some devices failed to suspend\n");
-                goto Resume_devices;
+                goto Resume_console;
         }
+        if (pm_ops->prepare) {
+                if ((error = pm_ops->prepare(state)))
+                        goto Resume_devices;
+        }
+
         error = disable_nonboot_cpus();
         if (!error)
                 return 0;
 
         enable_nonboot_cpus();
- Resume_devices:
         pm_finish(state);
+ Resume_devices:
         device_resume();
+ Resume_console:
         resume_console();
  Thaw:
         thaw_processes();
@@ -289,13 +290,13 @@ static ssize_t state_store(struct kset *kset, const char *buf, size_t n)
         len = p ? p - buf : n;
 
         /* First, check if we are requested to hibernate */
-        if (!strncmp(buf, "disk", len)) {
+        if (len == 4 && !strncmp(buf, "disk", len)) {
                 error = hibernate();
                 return error ? error : n;
         }
 
         for (s = &pm_states[state]; state < PM_SUSPEND_MAX; s++, state++) {
-                if (*s && !strncmp(buf, *s, len))
+                if (*s && len == strlen(*s) && !strncmp(buf, *s, len))
                         break;
         }
         if (state < PM_SUSPEND_MAX && *s)
diff --git a/kernel/profile.c b/kernel/profile.c
index cc91b9bf759d..5b20fe977bed 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -26,6 +26,7 @@
 #include <asm/sections.h>
 #include <asm/semaphore.h>
 #include <asm/irq_regs.h>
+#include <asm/ptrace.h>
 
 struct profile_hit {
         u32 pc, hits;
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 4073353abd4f..30ee462ee79f 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -227,7 +227,7 @@ static ctl_table kern_table[] = {
                 .ctl_name       = KERN_CORE_PATTERN,
                 .procname       = "core_pattern",
                 .data           = core_pattern,
-                .maxlen         = 128,
+                .maxlen         = CORENAME_MAX_SIZE,
                 .mode           = 0644,
                 .proc_handler   = &proc_dostring,
                 .strategy       = &sysctl_string,
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 3db5c3c460d7..51b6a6a6158c 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -74,7 +74,7 @@ static struct clocksource *watchdog;
 static struct timer_list watchdog_timer;
 static DEFINE_SPINLOCK(watchdog_lock);
 static cycle_t watchdog_last;
-static int watchdog_resumed;
+static unsigned long watchdog_resumed;
 
 /*
  * Interval: 0.5sec Threshold: 0.0625s
@@ -104,9 +104,7 @@ static void clocksource_watchdog(unsigned long data)
 
         spin_lock(&watchdog_lock);
 
-        resumed = watchdog_resumed;
-        if (unlikely(resumed))
-                watchdog_resumed = 0;
+        resumed = test_and_clear_bit(0, &watchdog_resumed);
 
         wdnow = watchdog->read();
         wd_nsec = cyc2ns(watchdog, (wdnow - watchdog_last) & watchdog->mask);
@@ -151,9 +149,7 @@ static void clocksource_watchdog(unsigned long data)
 }
 static void clocksource_resume_watchdog(void)
 {
-        spin_lock(&watchdog_lock);
-        watchdog_resumed = 1;
-        spin_unlock(&watchdog_lock);
+        set_bit(0, &watchdog_resumed);
 }
 
 static void clocksource_check_watchdog(struct clocksource *cs)
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index cb25649c6f50..87aa5ff931e0 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -11,6 +11,8 @@
 #include <linux/mm.h>
 #include <linux/time.h>
 #include <linux/timex.h>
+#include <linux/jiffies.h>
+#include <linux/hrtimer.h>
 
 #include <asm/div64.h>
 #include <asm/timex.h>
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index f9217bf644f6..3d1042f82a68 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -273,6 +273,8 @@ static int timekeeping_resume(struct sys_device *dev)
         unsigned long flags;
         unsigned long now = read_persistent_clock();
 
+        clocksource_resume();
+
         write_seqlock_irqsave(&xtime_lock, flags);
 
         if (now && (now > timekeeping_suspend_time)) {
diff --git a/kernel/timer.c b/kernel/timer.c
index a6c580ac084b..5ec5490f8d85 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1499,8 +1499,6 @@ unregister_time_interpolator(struct time_interpolator *ti)
                 prev = &curr->next;
         }
 
-        clocksource_resume();
-
         write_seqlock_irqsave(&xtime_lock, flags);
         if (ti == time_interpolator) {
                 /* we lost the best time-interpolator: */