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| author | Zheng Liu <wenqing.lz@taobao.com> | 2015-11-29 17:21:57 -0800 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2015-12-30 20:23:11 -0700 |
| commit | 2ecf0cdb2b437402110ab57546e02abfa68a716b (patch) | |
| tree | 70598cf87f6206433d4ba1a3bd2584c82ae23716 /drivers/md/bcache/super.c | |
| parent | 4d4d8573a8451acc9f01cbea24b7e55f04a252fe (diff) | |
| download | lwn-2ecf0cdb2b437402110ab57546e02abfa68a716b.tar.gz lwn-2ecf0cdb2b437402110ab57546e02abfa68a716b.zip | |
bcache: unregister reboot notifier if bcache fails to unregister device
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>
Diffstat (limited to 'drivers/md/bcache/super.c')
| -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 43e911e4e8d0..18f14a246d70 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -2071,8 +2071,10 @@ 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)) || |