1 files changed, 5 insertions, 10 deletions

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 1d1933cf3778..398c34ff6a54 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -625,17 +625,12 @@ EXPORT_SYMBOL_GPL(__create_workqueue);
 
 static void cleanup_workqueue_thread(struct workqueue_struct *wq, int cpu)
 {
-        struct cpu_workqueue_struct *cwq;
-        unsigned long flags;
-        struct task_struct *p;
+        struct cpu_workqueue_struct *cwq = per_cpu_ptr(wq->cpu_wq, cpu);
 
-        cwq = per_cpu_ptr(wq->cpu_wq, cpu);
-        spin_lock_irqsave(&cwq->lock, flags);
-        p = cwq->thread;
-        cwq->thread = NULL;
-        spin_unlock_irqrestore(&cwq->lock, flags);
-        if (p)
-                kthread_stop(p);
+        if (cwq->thread) {
+                kthread_stop(cwq->thread);
+                cwq->thread = NULL;
+        }
 }
 
 /**