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Commit 8d9df9f0 authored by Xiaotian Feng's avatar Xiaotian Feng Committed by Tejun Heo
Browse files

workqueue: free rescuer on destroy_workqueue 



wq->rescuer is not freed when wq is destroyed, leads a memory leak
then. This patch also remove a redundant line.

Signed-off-by: default avatarXiaotian Feng <dfeng@redhat.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
parent da5cabf8

kernel/workqueue.c

+1 −1
Original line number Diff line number Diff line
@@ -2782,7 +2782,6 @@ struct workqueue_struct *__alloc_workqueue_key(const char *name, 
		if (IS_ERR(rescuer->task))

			goto err;



		wq->rescuer = rescuer;

		rescuer->task->flags |= PF_THREAD_BOUND;

		wake_up_process(rescuer->task);

	}
@@ -2848,6 +2847,7 @@ void destroy_workqueue(struct workqueue_struct *wq) 
	if (wq->flags & WQ_RESCUER) {

		kthread_stop(wq->rescuer->task);

		free_mayday_mask(wq->mayday_mask);

		kfree(wq->rescuer);

	}



	free_cwqs(wq);