Commit 2ecf0cdb authored Nov 29, 2015 by Zheng Liu Committed by Jens Axboe Dec 30, 2015

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>

parent 4d4d8573

drivers/md/bcache/super.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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)) \|\|