linux-kernel - [PATCH 10/22] lib/traceevent: Fix a possible memory leak

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Message-Id: <1337740619-27925-11-git-send-email-namhyung.kim@lge.com>
Date:	Wed, 23 May 2012 11:36:47 +0900
From:	Namhyung Kim <namhyung.kim@....com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...hat.com>,
	Namhyung Kim <namhyung@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Borislav Petkov <bp@...en8.de>, David Ahern <dsahern@...il.com>
Subject: [PATCH 10/22] lib/traceevent: Fix a possible memory leak

If event_read_fields failed in the middle, each member of
struct format_field should be freed also.

Link: http://lkml.kernel.org/r/1333940074-19052-6-git-send-email-namhyung.kim@lge.com

Signed-off-by: Namhyung Kim <namhyung.kim@....com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Arnaldo Carvalho de Melo <acme@...radead.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: David Ahern <dsahern@...il.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
---
 tools/lib/traceevent/event-parse.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 760e7831390a..0fa09c62a14a 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -1437,8 +1437,11 @@ static int event_read_fields(struct event_format *event, struct format_field **f
 fail:
 	free_token(token);
 fail_expect:
-	if (field)
+	if (field) {
+		free(field->type);
+		free(field->name);
 		free(field);
+	}
 	return -1;
 }
 
-- 
1.7.10.1

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