linux-kernel - [PATCH -next] drivers: md: simplify the return expression of load

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Message-ID: <20201210140103.1720-1-zhengyongjun3@huawei.com>
Date:   Thu, 10 Dec 2020 22:01:03 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <agk@...hat.com>, <snitzer@...hat.com>, <dm-devel@...hat.com>,
        <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH -next] drivers: md: simplify the return expression of load_mapping()

Simplify the return expression.

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/md/dm-cache-target.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 4bc453f5bbaa..541c45027cc8 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -2840,7 +2840,6 @@ static void cache_postsuspend(struct dm_target *ti)
 static int load_mapping(void *context, dm_oblock_t oblock, dm_cblock_t cblock,
 			bool dirty, uint32_t hint, bool hint_valid)
 {
-	int r;
 	struct cache *cache = context;
 
 	if (dirty) {
@@ -2849,11 +2848,7 @@ static int load_mapping(void *context, dm_oblock_t oblock, dm_cblock_t cblock,
 	} else
 		clear_bit(from_cblock(cblock), cache->dirty_bitset);
 
-	r = policy_load_mapping(cache->policy, oblock, cblock, dirty, hint, hint_valid);
-	if (r)
-		return r;
-
-	return 0;
+	return policy_load_mapping(cache->policy, oblock, cblock, dirty, hint, hint_valid);
 }
 
 /*
-- 
2.22.0