linux-kernel - [PATCH 01/11] ocfs2: Delete an unnecessary check before unregister_sysctl

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Date:	Sun, 05 Jul 2015 15:26:26 +0200
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	Joel Becker <jlbec@...lplan.org>, Mark Fasheh <mfasheh@...e.com>,
	ocfs2-devel@....oracle.com
CC:	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH 01/11] ocfs2: Delete an unnecessary check before unregister_sysctl_table()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Sat, 4 Jul 2015 13:20:13 +0200

The unregister_sysctl_table() 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@...rs.sourceforge.net>
---
 fs/ocfs2/stackglue.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
index 5d965e8..4222f93 100644
--- a/fs/ocfs2/stackglue.c
+++ b/fs/ocfs2/stackglue.c
@@ -737,8 +737,7 @@ static void __exit ocfs2_stack_glue_exit(void)
 	locking_max_version.pv_major = 0;
 	locking_max_version.pv_minor = 0;
 	ocfs2_sysfs_exit();
-	if (ocfs2_table_header)
-		unregister_sysctl_table(ocfs2_table_header);
+	unregister_sysctl_table(ocfs2_table_header);
 }
 
 MODULE_AUTHOR("Oracle");
-- 
2.4.5

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