From mboxrd@z Thu Jan 1 00:00:00 1970 From: elfring@users.sourceforge.net (SF Markus Elfring) Date: Mon, 17 Nov 2014 14:42:48 +0100 Subject: [Cocci] [PATCH 1/1] tools lib traceevent: Deletion of an unnecessary check before the function call "free_arg" In-Reply-To: <5317A59D.4@users.sourceforge.net> References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> Message-ID: <5469FB58.4070205@users.sourceforge.net> To: cocci@systeme.lip6.fr List-Id: cocci@systeme.lip6.fr From: Markus Elfring Date: Mon, 17 Nov 2014 14:38:14 +0100 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 --- 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 b502344..78debaf 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -1237,8 +1237,7 @@ 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; -- 2.1.3