From: Zheng Liu <wenqing.lz@xxxxxxxxxx> This patch has been added to the 3.18 stable tree. If you have any objections, please let us know. =============== [ 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@xxxxxxxxxx> Tested-by: Joshua Schmid <jschmid@xxxxxxxx> Tested-by: Eric Wheeler <bcache@xxxxxxxxxxxxxxxxxx> Cc: Kent Overstreet <kmo@xxxxxxxxxxxxx> Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Jens Axboe <axboe@xxxxxx> Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx> --- drivers/md/bcache/super.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 9d7b6ee..53f1512 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)) || -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html