linux-kernel - [PATCH] bcache: remove redundant condition before debugfs

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Message-ID: <1536411327-30127-1-git-send-email-zhongjiang@huawei.com>
Date:   Sat, 8 Sep 2018 20:55:27 +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 redundant condition before debugfs_remove

debugfs_remove has taken the IS_ERR_OR_NULL into account. Just
remove the unnecessary condition.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/md/bcache/super.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 2d26f9e..a3d2a94 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1506,8 +1506,7 @@ static void cache_set_free(struct closure *cl)
 	struct cache *ca;
 	unsigned int i;
 
-	if (!IS_ERR_OR_NULL(c->debug))
-		debugfs_remove(c->debug);
+	debugfs_remove(c->debug);
 
 	bch_open_buckets_free(c);
 	bch_btree_cache_free(c);
-- 
1.7.12.4