linux-kernel - [PATCH linux-next] dm: remove redundant sz variable

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Message-ID: <202211301535171577902@zte.com.cn>
Date:   Wed, 30 Nov 2022 15:35:17 +0800 (CST)
From:   <zhang.songyi@....com.cn>
To:     <agk@...hat.com>
Cc:     <snitzer@...nel.org>, <dm-devel@...hat.com>,
        <linux-kernel@...r.kernel.org>, <zhang.songyi@....com.cn>
Subject: [PATCH linux-next] dm: remove redundant sz variable

From: zhang songyi <zhang.songyi@....com.cn>

Return value from hst_status() directly instead of taking
this in another redundant variable.

Signed-off-by: zhang songyi <zhang.songyi@....com.cn>
---
 drivers/md/dm-ps-historical-service-time.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/dm-ps-historical-service-time.c b/drivers/md/dm-ps-historical-service-time.c
index 1d82c95d323d..6c8e83ad2662 100644
--- a/drivers/md/dm-ps-historical-service-time.c
+++ b/drivers/md/dm-ps-historical-service-time.c
@@ -237,7 +237,6 @@ static void hst_destroy(struct path_selector *ps)
 static int hst_status(struct path_selector *ps, struct dm_path *path,
                     status_type_t type, char *result, unsigned int maxlen)
 {
-       unsigned int sz = 0;
        struct path_info *pi;

        if (!path) {
@@ -261,7 +260,7 @@ static int hst_status(struct path_selector *ps, struct dm_path *path,
                }
        }

-       return sz;
+       return 0;
 }

 static int hst_add_path(struct path_selector *ps, struct dm_path *path,
--
2.15.2