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authorLinus Torvalds <torvalds@linux-foundation.org>2016-10-28 09:27:58 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-10-28 09:27:58 -0700
commite0f3e6a7ccc002be056b6a21768fceee0d44941e (patch)
tree2a37947a080ea84ef14d8d0a68c5e995e0505bf7 /drivers/md/dm-rq.c
parent43937003de5b677781b2fe4c871d628ab00cc341 (diff)
parentdafa724bf582181d9a7d54f5cb4ca0bf8ef29269 (diff)
Merge tag 'dm-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer: - a couple DM raid and DM mirror fixes - a couple .request_fn request-based DM NULL pointer fixes - a fix for a DM target reference count leak, on target load error, that prevented associated DM target kernel module(s) from being removed * tag 'dm-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm table: fix missing dm_put_target_type() in dm_table_add_target() dm rq: clear kworker_task if kthread_run() returned an error dm: free io_barrier after blk_cleanup_queue call dm raid: fix activation of existing raid4/10 devices dm mirror: use all available legs on multiple failures dm mirror: fix read error on recovery after default leg failure dm raid: fix compat_features validation
Diffstat (limited to 'drivers/md/dm-rq.c')
-rw-r--r--drivers/md/dm-rq.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index dc75bea0d541..1d0d2adc050a 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -856,8 +856,11 @@ int dm_old_init_request_queue(struct mapped_device *md)
kthread_init_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);
+ if (IS_ERR(md->kworker_task)) {
+ int error = PTR_ERR(md->kworker_task);
+ md->kworker_task = NULL;
+ return error;
+ }
elv_register_queue(md->queue);