1 files changed, 10 insertions, 1 deletions

diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index edd1c082dbf5..5e069734363c 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -908,6 +908,10 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass,
 
         might_sleep();
 
+#ifdef CONFIG_DEBUG_MUTEXES
+        DEBUG_LOCKS_WARN_ON(lock->magic != lock);
+#endif
+
         ww = container_of(lock, struct ww_mutex, base);
         if (use_ww_ctx && ww_ctx) {
                 if (unlikely(ww_ctx == READ_ONCE(ww->ctx)))
@@ -1379,8 +1383,13 @@ __ww_mutex_lock_interruptible_slowpath(struct ww_mutex *lock,
  */
 int __sched mutex_trylock(struct mutex *lock)
 {
-        bool locked = __mutex_trylock(lock);
+        bool locked;
+
+#ifdef CONFIG_DEBUG_MUTEXES
+        DEBUG_LOCKS_WARN_ON(lock->magic != lock);
+#endif
 
+        locked = __mutex_trylock(lock);
         if (locked)
                 mutex_acquire(&lock->dep_map, 0, 1, _RET_IP_);