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);
 }