linux-kernel - [PATCH 2/2] drivers: md: dm-log.c: Remove unused variable 'sz'

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Message-Id: <20191201054257.13199-1-Jieun.Kim4758@gmail.com>
Date:   Sun,  1 Dec 2019 14:42:57 +0900
From:   Jieun Kim <jieun.kim4758@...il.com>
To:     Mike Snitzer <snitzer@...hat.com>
Cc:     Alasdair Kergon <agk@...hat.com>, dm-devel@...hat.com,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Jieun Kim <Jieun.Kim4758@...il.com>
Subject: [PATCH 2/2] drivers: md: dm-log.c: Remove unused variable 'sz'

Remove unused variable 'sz' in disk_status function
detected by coccinelle scripts(returnvar.cocci)

Signed-off-by: Jieun Kim <Jieun.Kim4758@...il.com>
---
 drivers/md/dm-log.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 8800ec1847b5..67e74362c6ac 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -800,7 +800,6 @@ static int core_status(struct dm_dirty_log *log, status_type_t status,
 static int disk_status(struct dm_dirty_log *log, status_type_t status,
 		       char *result, unsigned int maxlen)
 {
-	int sz = 0;
 	struct log_c *lc = log->context;
 
 	switch(status) {
@@ -818,7 +817,7 @@ static int disk_status(struct dm_dirty_log *log, status_type_t status,
 		DMEMIT_SYNC;
 	}
 
-	return sz;
+	return 0;
 }
 
 static struct dm_dirty_log_type _core_type = {
-- 
2.17.1