Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[powerpc.git] / kernel / futex.c

diff --git a/kernel/futex.c b/kernel/futex.c
index e749e7d..5a270b5 100644 (file)
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -565,6 +565,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
        if (!pi_state)
                return -EINVAL;
 
+       spin_lock(&pi_state->pi_mutex.wait_lock);
        new_owner = rt_mutex_next_owner(&pi_state->pi_mutex);
 
        /*
@@ -604,6 +605,7 @@ static int wake_futex_pi(u32 __user *uaddr, u32 uval, struct futex_q *this)
        pi_state->owner = new_owner;
        spin_unlock_irq(&new_owner->pi_lock);
 
+       spin_unlock(&pi_state->pi_mutex.wait_lock);
        rt_mutex_unlock(&pi_state->pi_mutex);
 
        return 0;