[PATCH] name_count array overrun

[pandora-kernel.git] / kernel / hrtimer.c

diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 55601b3..d0ba190 100644 (file)
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -187,7 +187,7 @@ switch_hrtimer_base(struct hrtimer *timer, struct hrtimer_base *base)
 {
        struct hrtimer_base *new_base;
 
-       new_base = &__get_cpu_var(hrtimer_bases[base->index]);
+       new_base = &__get_cpu_var(hrtimer_bases)[base->index];
 
        if (base != new_base) {
                /*
@@ -669,7 +669,7 @@ static int hrtimer_wakeup(struct hrtimer *timer)
        return HRTIMER_NORESTART;
 }
 
-void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, task_t *task)
+void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, struct task_struct *task)
 {
        sl->timer.function = hrtimer_wakeup;
        sl->task = task;
@@ -693,7 +693,7 @@ static int __sched do_nanosleep(struct hrtimer_sleeper *t, enum hrtimer_mode mod
        return t->task == NULL;
 }
 
-static long __sched nanosleep_restart(struct restart_block *restart)
+long __sched hrtimer_nanosleep_restart(struct restart_block *restart)
 {
        struct hrtimer_sleeper t;
        struct timespec __user *rmtp;
@@ -702,13 +702,13 @@ static long __sched nanosleep_restart(struct restart_block *restart)
 
        restart->fn = do_no_restart_syscall;
 
-       hrtimer_init(&t.timer, restart->arg3, HRTIMER_ABS);
-       t.timer.expires.tv64 = ((u64)restart->arg1 << 32) | (u64) restart->arg0;
+       hrtimer_init(&t.timer, restart->arg0, HRTIMER_ABS);
+       t.timer.expires.tv64 = ((u64)restart->arg3 << 32) | (u64) restart->arg2;
 
        if (do_nanosleep(&t, HRTIMER_ABS))
                return 0;
 
-       rmtp = (struct timespec __user *) restart->arg2;
+       rmtp = (struct timespec __user *) restart->arg1;
        if (rmtp) {
                time = ktime_sub(t.timer.expires, t.timer.base->get_time());
                if (time.tv64 <= 0)
@@ -718,7 +718,7 @@ static long __sched nanosleep_restart(struct restart_block *restart)
                        return -EFAULT;
        }
 
-       restart->fn = nanosleep_restart;
+       restart->fn = hrtimer_nanosleep_restart;
 
        /* The other values in restart are already filled in */
        return -ERESTART_RESTARTBLOCK;
@@ -751,11 +751,11 @@ long hrtimer_nanosleep(struct timespec *rqtp, struct timespec __user *rmtp,
        }
 
        restart = &current_thread_info()->restart_block;
-       restart->fn = nanosleep_restart;
-       restart->arg0 = t.timer.expires.tv64 & 0xFFFFFFFF;
-       restart->arg1 = t.timer.expires.tv64 >> 32;
-       restart->arg2 = (unsigned long) rmtp;
-       restart->arg3 = (unsigned long) t.timer.base->index;
+       restart->fn = hrtimer_nanosleep_restart;
+       restart->arg0 = (unsigned long) t.timer.base->index;
+       restart->arg1 = (unsigned long) rmtp;
+       restart->arg2 = t.timer.expires.tv64 & 0xFFFFFFFF;
+       restart->arg3 = t.timer.expires.tv64 >> 32;
 
        return -ERESTART_RESTARTBLOCK;
 }
@@ -782,8 +782,10 @@ static void __devinit init_hrtimers_cpu(int cpu)
        struct hrtimer_base *base = per_cpu(hrtimer_bases, cpu);
        int i;
 
-       for (i = 0; i < MAX_HRTIMER_BASES; i++, base++)
+       for (i = 0; i < MAX_HRTIMER_BASES; i++, base++) {
                spin_lock_init(&base->lock);
+               lockdep_set_class(&base->lock, &base->lock_key);
+       }
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -833,7 +835,7 @@ static void migrate_hrtimers(int cpu)
 }
 #endif /* CONFIG_HOTPLUG_CPU */
 
-static int hrtimer_cpu_notify(struct notifier_block *self,
+static int __cpuinit hrtimer_cpu_notify(struct notifier_block *self,
                                        unsigned long action, void *hcpu)
 {
        long cpu = (long)hcpu;
@@ -857,7 +859,7 @@ static int hrtimer_cpu_notify(struct notifier_block *self,
        return NOTIFY_OK;
 }
 
-static struct notifier_block hrtimers_nb = {
+static struct notifier_block __cpuinitdata hrtimers_nb = {
        .notifier_call = hrtimer_cpu_notify,
 };