X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=kernel%2Fmutex-debug.c;h=841539d72c55cdbb674b7a91786847c37ec5acdb;hb=e7b3ca08549caccf5d6e1cf066780bf4f0ae77a7;hp=18651641a7b5aa6482e0aa73ce03b5133e6ffa91;hpb=513b046c96cc2fbce730a3474f6f7ff0c4fdd05c;p=mv-sheeva.git

diff --git a/kernel/mutex-debug.c b/kernel/mutex-debug.c
index 18651641a7b..841539d72c5 100644
--- a/kernel/mutex-debug.c
+++ b/kernel/mutex-debug.c
@@ -77,6 +77,9 @@ void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter,
 
 void debug_mutex_unlock(struct mutex *lock)
 {
+	if (unlikely(!debug_locks))
+		return;
+
 	DEBUG_LOCKS_WARN_ON(lock->owner != current_thread_info());
 	DEBUG_LOCKS_WARN_ON(lock->magic != lock);
 	DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next);