[PATCH] mark mutex_lock*() as might_sleep()
Mark mutex_lock() and mutex_lock_interruptible() as might_sleep()
functions.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/kernel/mutex.c b/kernel/mutex.c
index d3dcb8b..5c25618 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -81,6 +81,7 @@
*/
void fastcall __sched mutex_lock(struct mutex *lock)
{
+ might_sleep();
/*
* The locking fastpath is the 1->0 transition from
* 'unlocked' into 'locked' state.
@@ -253,6 +254,7 @@
*/
int fastcall __sched mutex_lock_interruptible(struct mutex *lock)
{
+ might_sleep();
return __mutex_fastpath_lock_retval
(&lock->count, __mutex_lock_interruptible_slowpath);
}