linux-kernel - [PATCH] bcache: remove unecessary condition check before debugfs_remove

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Message-ID: <1536413350-31523-1-git-send-email-zhongjiang@huawei.com>
Date:   Sat, 8 Sep 2018 21:29:10 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <colyli@...e.de>, <kent.overstreet@...il.com>
CC:     <linux-bcache@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] bcache: remove unecessary condition check before debugfs_remove_recursive

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 <zhongjiang@...wei.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