linux-kernel - [tip:perf/urgent] tools lib traceevent: Fix a possible memory leak

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Message-ID: <tip-57d34dc5568f6ac700ef7e5c67f2bd6a8c7c4659@git.kernel.org>
Date:	Thu, 24 May 2012 10:17:21 -0700
From:	tip-bot for Namhyung Kim <namhyung.kim@....com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
	namhyung.kim@....com, namhyung@...il.com, bp@...en8.de,
	fweisbec@...il.com, rostedt@...dmis.org, dsahern@...il.com,
	tglx@...utronix.de
Subject: [tip:perf/urgent] tools lib traceevent: Fix a possible memory leak

Commit-ID:  57d34dc5568f6ac700ef7e5c67f2bd6a8c7c4659
Gitweb:     http://git.kernel.org/tip/57d34dc5568f6ac700ef7e5c67f2bd6a8c7c4659
Author:     Namhyung Kim <namhyung.kim@....com>
AuthorDate: Wed, 23 May 2012 11:36:47 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 24 May 2012 11:32:10 -0300

tools 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.

Cc: Borislav Petkov <bp@...en8.de>
Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Namhyung Kim <namhyung@...il.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1337740619-27925-11-git-send-email-namhyung.kim@lge.com
Signed-off-by: Namhyung Kim <namhyung.kim@....com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/lib/traceevent/event-parse.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 33450c9..d598b37 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -1434,8 +1434,11 @@ 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;
 }
 
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