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authorIngo Molnar <mingo@elte.hu>2006-01-10 22:10:36 +0100
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-10 13:20:47 -0800
commitc544bdb1999e04eb10035f1c3262a103859d94b2 (patch)
treed74db41598a405ca35df45553715cf15758127da
parent73165b88ffd29813bf73b331eaf90d3521443236 (diff)
[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>
-rw-r--r--kernel/mutex.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/mutex.c b/kernel/mutex.c
index d3dcb8b44bac..5c2561844196 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -81,6 +81,7 @@ __mutex_lock_slowpath(atomic_t *lock_count __IP_DECL__);
*/
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 @@ __mutex_lock_interruptible_slowpath(atomic_t *lock_count __IP_DECL__);
*/
int fastcall __sched mutex_lock_interruptible(struct mutex *lock)
{
+ might_sleep();
return __mutex_fastpath_lock_retval
(&lock->count, __mutex_lock_interruptible_slowpath);
}