Commit 7193a9de authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm rq: check kthread_run return for .request_fn request-based DM 



Check return value of kthread_run() in dm_old_init_request_queue().

Reported-by: default avatarMinfei Huang <mnghuan@gmail.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 602d1657

drivers/md/dm-rq.c

+2 −0
Original line number Diff line number Diff line
@@ -819,6 +819,8 @@ int dm_old_init_request_queue(struct mapped_device *md) 
	init_kthread_worker(&md->kworker);

	md->kworker_task = kthread_run(kthread_worker_fn, &md->kworker,

				       "kdmwork-%s", dm_device_name(md));

	if (IS_ERR(md->kworker_task))

		return PTR_ERR(md->kworker_task);



	elv_register_queue(md->queue);