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 <redacted>
---
 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