As Coly pointed out, bcache_exit() may not be able to handle all the references properly, if userspace registers cache and backing devices right before bch_debug_init and bch_debug_init failes later.
Signed-off-by: Liang Chen <[email protected]> --- drivers/md/bcache/super.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index 2a5c38c..c74f7d8 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -2104,9 +2104,9 @@ static int __init bcache_init(void) if (!(bcache_wq = alloc_workqueue("bcache", WQ_MEM_RECLAIM, 0)) || !(bcache_kobj = kobject_create_and_add("bcache", fs_kobj)) || - sysfs_create_files(bcache_kobj, files) || bch_request_init() || - bch_debug_init(bcache_kobj)) + bch_debug_init(bcache_kobj) || + sysfs_create_files(bcache_kobj, files)) goto err; return 0; -- 1.8.3.1
