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

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
...@@ -819,6 +819,8 @@ int dm_old_init_request_queue(struct mapped_device *md) ...@@ -819,6 +819,8 @@ int dm_old_init_request_queue(struct mapped_device *md)
init_kthread_worker(&md->kworker); init_kthread_worker(&md->kworker);
md->kworker_task = kthread_run(kthread_worker_fn, &md->kworker, md->kworker_task = kthread_run(kthread_worker_fn, &md->kworker,
"kdmwork-%s", dm_device_name(md)); "kdmwork-%s", dm_device_name(md));
if (IS_ERR(md->kworker_task))
return PTR_ERR(md->kworker_task);
elv_register_queue(md->queue); elv_register_queue(md->queue);
......
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