[PATCH] workqueue: Add destroy_work_on_stack() in workqueue_softirq_dead()

[Zqiang]

This commit add missed destroy_work_on_stack() operations for
dead_work.work.

Signed-off-by: Zqiang <qiang.zhang1211@xxxxxxxxx>
---
 kernel/workqueue.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index db004d2180e8..1edb0b06ae7c 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3661,6 +3661,7 @@ void workqueue_softirq_dead(unsigned int cpu)
 			queue_work(system_bh_wq, &dead_work.work);
 
 		wait_for_completion(&dead_work.done);
+		destroy_work_on_stack(&dead_work.work);
 	}
 }
 
-- 
2.17.1