1 files changed, 2 insertions, 1 deletions

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 3059bc2f022d..e16e5542bf13 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1193,7 +1193,8 @@ rt_mutex_slowlock(struct rt_mutex *lock, int state,
                 ret = __rt_mutex_slowlock(lock, state, timeout, &waiter);
 
         if (unlikely(ret)) {
-                remove_waiter(lock, &waiter);
+                if (rt_mutex_has_waiters(lock))
+                        remove_waiter(lock, &waiter);
                 rt_mutex_handle_deadlock(ret, chwalk, &waiter);
         }