[PATCH] of: Delete an unnecessary check before the function call "of_node_put"

From	SF Markus Elfring <elfring@users.sourceforge.net>
Newsgroups	linux.kernel
Subject	[PATCH] of: Delete an unnecessary check before the function call "of_node_put"
Date	2016-07-19 23:00 +0200
Message-ID	<rWKhr-oj-5@gated-at.bofh.it> (permalink)
References	(12 earlier) <mSsDN-4wa-59@gated-at.bofh.it> <mSsDN-4wa-61@gated-at.bofh.it> <mSsDN-4wa-63@gated-at.bofh.it> <mSsDN-4wa-65@gated-at.bofh.it> <mSsDN-4wa-33@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Tue, 19 Jul 2016 22:42:22 +0200

The of_node_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/of/base.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/of/base.c b/drivers/of/base.c
index a4b6087..2601167 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1609,8 +1609,7 @@ static int __of_parse_phandle_with_args(const struct device_node *np,
 	 */
 
  err:
-	if (it.node)
-		of_node_put(it.node);
+	of_node_put(it.node);
 	return rc;
 }
 
-- 
2.9.2

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH] of: Delete an unnecessary check before the function call  "of_node_put" SF Markus Elfring <elfring@users.sourceforge.net> - 2016-07-19 23:00 +0200

csiph-web