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-rw-r--r--kernel/workqueue.c15
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;
+ }
}
/**