1 files changed, 7 insertions, 5 deletions

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 5fa042be94d5..30ec5b46cd8c 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -265,15 +265,17 @@ struct task_struct *rt_mutex_get_top_task(struct task_struct *task)
 }
 
 /*
- * Called by sched_setscheduler() to check whether the priority change
- * is overruled by a possible priority boosting.
+ * Called by sched_setscheduler() to get the priority which will be
+ * effective after the change.
  */
-int rt_mutex_check_prio(struct task_struct *task, int newprio)
+int rt_mutex_get_effective_prio(struct task_struct *task, int newprio)
 {
         if (!task_has_pi_waiters(task))
-                return 0;
+                return newprio;
 
-        return task_top_pi_waiter(task)->task->prio <= newprio;
+        if (task_top_pi_waiter(task)->task->prio <= newprio)
+                return task_top_pi_waiter(task)->task->prio;
+        return newprio;
 }
 
 /*