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| author |   Mike Snitzer <snitzer@redhat.com> | 2016-07-06 09:06:37 -0400 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2016-07-06 09:06:37 -0400 |
| commit | 7193a9defcab6f3d3f1eb64c68bad7534e5a39ad (patch) | |
| tree | b11124a507678ec506395d879377e2da3c481a30 /drivers/md | |
| parent | dm verity fec: fix block calculation (diff) | |
| download | linux-dev-7193a9defcab6f3d3f1eb64c68bad7534e5a39ad.tar.xz linux-dev-7193a9defcab6f3d3f1eb64c68bad7534e5a39ad.zip | |
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: Minfei Huang <mnghuan@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-rq.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 266f7b674108..aa81539374a6 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -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); |