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Message-ID: <558C0D9B.80903@users.sourceforge.net>
Date:	Thu, 25 Jun 2015 16:18:03 +0200
From:	SF Markus Elfring <elfring@...rs.sourceforge.net>
To:	linux-kernel@...r.kernel.org
CC:	kernel-janitors@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: [PATCH] tools lib traceevent: Delete an unnecessary check before
 the function call "free_arg"

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Thu, 25 Jun 2015 16:13:47 +0200

The free_arg() 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>
---
 tools/lib/traceevent/parse-filter.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c
index 0144b3d..724a3be 100644
--- a/tools/lib/traceevent/parse-filter.c
+++ b/tools/lib/traceevent/parse-filter.c
@@ -1239,8 +1239,7 @@ filter_event(struct event_filter *filter, struct event_format *event,
 	if (filter_type == NULL)
 		return PEVENT_ERRNO__MEM_ALLOC_FAILED;
 
-	if (filter_type->filter)
-		free_arg(filter_type->filter);
+	free_arg(filter_type->filter);
 	filter_type->filter = arg;
 
 	return 0;
-- 
2.4.4

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