[PATCH] dm: Remove the unneeeded variable

[Shaomin Deng]

The variable "sz" is unneeded, return 0 will be okay.

Signed-off-by: Shaomin Deng <dengshaomin@xxxxxxxxxx>
---
 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 0c6620e7b7bf..a4955eb96d6f 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -805,7 +805,6 @@ 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) {
@@ -828,7 +827,7 @@ static int disk_status(struct dm_dirty_log *log, status_type_t status,
 		break;
 	}
 
-	return sz;
+	return 0;
 }
 
 static struct dm_dirty_log_type _core_type = {
-- 
2.35.1