| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 066/342] bcache: unregister reboot notifier if bcache fails to unregister device | Date | Tue, 01 Mar 2016 23:54:06 +0000 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Zheng Liu <wenqing.lz@taobao.com>
commit 2ecf0cdb2b437402110ab57546e02abfa68a716b upstream.
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> Signed-off-by: Jens Axboe <axboe@fb.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/md/bcache/super.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- 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)) ||
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