1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 3e746607abe5..1ec0f48962b3 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1478,7 +1478,7 @@ EXPORT_SYMBOL_GPL(rt_mutex_timed_lock);
  */
 int __sched rt_mutex_trylock(struct rt_mutex *lock)
 {
-        if (WARN_ON(in_irq() || in_nmi() || in_serving_softirq()))
+        if (WARN_ON_ONCE(in_irq() || in_nmi() || in_serving_softirq()))
                 return 0;
 
         return rt_mutex_fasttrylock(lock, rt_mutex_slowtrylock);