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| author | Zheng Liu <wenqing.lz@taobao.com> | 2015-11-30 04:21:57 +0300 |
|---|---|---|
| committer | Sasha Levin <sasha.levin@oracle.com> | 2016-02-10 06:56:16 +0300 |
| commit | de406db368382f0f93beddfbd39a46c8fead5eec (patch) | |
| tree | 2fed5d7e247de49b7e3ac20f815448a6d4f8f63b /drivers/md | |
| parent | f997a6ac49a7de81cff6c9a44223a7537744a11d (diff) | |
| download | linux-de406db368382f0f93beddfbd39a46c8fead5eec.tar.xz | |
bcache: unregister reboot notifier if bcache fails to unregister device
[ Upstream commit 2ecf0cdb2b437402110ab57546e02abfa68a716b ]
In bcache_init() function it forgot to unregister reboot notifier if
bcache fails to unregister a block device. This commit fixes this.
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
Tested-by: Joshua Schmid <jschmid@suse.com>
Tested-by: Eric Wheeler <bcache@linux.ewheeler.net>
Cc: Kent Overstreet <kmo@daterainc.com>
Cc: stable@vger.kernel.org
Signed-off-by: Jens Axboe <axboe@fb.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/bcache/super.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 9d7b6ee454af..53f15126182a 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -2105,8 +2105,10 @@ static int __init bcache_init(void) closure_debug_init(); bcache_major = register_blkdev(0, "bcache"); - if (bcache_major < 0) + if (bcache_major < 0) { + unregister_reboot_notifier(&reboot); return bcache_major; + } if (!(bcache_wq = create_workqueue("bcache")) || !(bcache_kobj = kobject_create_and_add("bcache", fs_kobj)) || |