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-rw-r--r--drivers/md/dm-rq.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index 90756a56c4d3..a6e8da9da7a4 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -809,10 +809,14 @@ int dm_mq_init_request_queue(struct mapped_device *md, struct dm_table *t)
dm_init_md_queue(md);
/* backfill 'mq' sysfs registration normally done in blk_register_queue */
- blk_mq_register_dev(disk_to_dev(md->disk), q);
+ err = blk_mq_register_dev(disk_to_dev(md->disk), q);
+ if (err)
+ goto out_cleanup_queue;
return 0;
+out_cleanup_queue:
+ blk_cleanup_queue(q);
out_tag_set:
blk_mq_free_tag_set(md->tag_set);
out_kfree_tag_set: