diff --git a/[refs] b/[refs]
index 5f4f8300f563..5d118457266b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f5b2552b4ebbeadcadde1532d7bbd3f850719046
+refs/heads/master: 0976dfc1d0cd80a4e9dfaf87bd8744612bde475a
diff --git a/trunk/kernel/workqueue.c b/trunk/kernel/workqueue.c
index 66ec08de6dac..211eadb23323 100644
--- a/trunk/kernel/workqueue.c
+++ b/trunk/kernel/workqueue.c
@@ -2509,6 +2509,9 @@ bool flush_work(struct work_struct *work)
 {
 	struct wq_barrier barr;
 
+	lock_map_acquire(&work->lockdep_map);
+	lock_map_release(&work->lockdep_map);
+
 	if (start_flush_work(work, &barr, true)) {
 		wait_for_completion(&barr.done);
 		destroy_work_on_stack(&barr.work);