Linus,
please pull the latest locking-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git
locking-urgent-for-linus
A oneliner bugfix for the jinxed futex code:
- Drop has bucket lock in the error exit path. I really could slap
myself for intruducing that bug while fixing all the other horror in
that code three month ago ...
Thanks,
tglx
------------------>
Thomas Gleixner (1):
futex: Unlock hb->lock in futex_wait_requeue_pi() error path
kernel/futex.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/kernel/futex.c b/kernel/futex.c
index d3a9d946d0b7..815d7af2ffe8 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2592,6 +2592,7 @@ static int futex_wait_requeue_pi(u32 __user *uaddr,
unsigned int flags,
* shared futexes. We need to compare the keys:
*/
if (match_futex(&q.key, &key2)) {
+ queue_unlock(hb);
ret = -EINVAL;
goto out_put_keys;
}
--
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