[PATCH -next] dm mpath: Remove unused variable ret

Samuel Zou
2020-05-07T12:21:12Z

This patch fixes below warning reported by coccicheck:

drivers/md/dm-historical-service-time.c:240:14-16: Unneeded variable: "sz". Return "0" on line 261

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Samuel Zou <zou_wei@huawei.com>
---
drivers/md/dm-historical-service-time.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/dm-historical-service-time.c b/drivers/md/dm-historical-service-time.c
index 186f91e..3c8acb9 100644
--- a/drivers/md/dm-historical-service-time.c
+++ b/drivers/md/dm-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) {
@@ -258,7 +257,7 @@ 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,
--
2.6.2