debugfs_remove_recursive has taken IS_ERR_OR_NULL into account. So just remove the condition check before debugfs_remove_recursive.
Signed-off-by: zhong jiang <zhongji...@huawei.com> --- drivers/md/bcache/debug.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/md/bcache/debug.c b/drivers/md/bcache/debug.c index 06da66b..8c53d87 100644 --- a/drivers/md/bcache/debug.c +++ b/drivers/md/bcache/debug.c @@ -249,8 +249,7 @@ void bch_debug_init_cache_set(struct cache_set *c) void bch_debug_exit(void) { - if (!IS_ERR_OR_NULL(bcache_debug)) - debugfs_remove_recursive(bcache_debug); + debugfs_remove_recursive(bcache_debug); } void __init bch_debug_init(struct kobject *kobj) -- 1.7.12.4