[PATCH 1/1] bcache: Deletion of an unnecessary check before the function call "kobject_put"

SF Markus Elfring
2014-11-19T20:34:36Z

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 19 Nov 2014 21:25:39 +0100

The kobject_put() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/md/bcache/super.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index d4713d0..1443c55 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -2076,8 +2076,7 @@ static void bcache_exit(void)
{
bch_debug_exit();
bch_request_exit();
- if (bcache_kobj)
- kobject_put(bcache_kobj);
+ kobject_put(bcache_kobj);
if (bcache_wq)
destroy_workqueue(bcache_wq);
if (bcache_major)
--
2.1.3