1 files changed, 4 insertions, 1 deletions

diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c
index fcb7f0217ff4..1ce8867283dc 100644
--- a/kernel/sched/deadline.c
+++ b/kernel/sched/deadline.c
@@ -658,8 +658,11 @@ static enum hrtimer_restart dl_task_timer(struct hrtimer *timer)
          *
          * XXX figure out if select_task_rq_dl() deals with offline cpus.
          */
-        if (unlikely(!rq->online))
+        if (unlikely(!rq->online)) {
+                lockdep_unpin_lock(&rq->lock, rf.cookie);
                 rq = dl_task_offline_migration(rq, p);
+                rf.cookie = lockdep_pin_lock(&rq->lock);
+        }
 
         /*
          * Queueing this task back might have overloaded rq, check if we need