linux-kernel - [tip:perf/core] tools lib traceevent: Free field if an error occurs on process

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Date:	Wed, 26 Sep 2012 22:38:22 -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, hpa@...or.com,
	mingo@...nel.org, a.p.zijlstra@...llo.nl, namhyung.kim@....com,
	namhyung@...nel.org, fweisbec@...il.com, rostedt@...dmis.org,
	tglx@...utronix.de
Subject: [tip:perf/core] tools lib traceevent:
  Free field if an error occurs on process_fields

Commit-ID:  f8c49d2645e5028e48ba15ec72728be121eddf95
Gitweb:     http://git.kernel.org/tip/f8c49d2645e5028e48ba15ec72728be121eddf95
Author:     Namhyung Kim <namhyung.kim@....com>
AuthorDate: Wed, 19 Sep 2012 15:58:43 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 24 Sep 2012 12:02:38 -0300

tools lib traceevent: Free field if an error occurs on process_fields

The field should be freed on error paths.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Steven Rostedt <rostedt@...dmis.org>
Link: http://lkml.kernel.org/r/1348037924-17568-4-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/lib/traceevent/event-parse.c |   12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 27088c5..a776ed5 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2186,10 +2186,10 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char **
 
 		value = arg_eval(arg);
 		if (value == NULL)
-			goto out_free;
+			goto out_free_field;
 		field->value = strdup(value);
 		if (field->value == NULL)
-			goto out_free;
+			goto out_free_field;
 
 		free_arg(arg);
 		arg = alloc_arg();
@@ -2197,14 +2197,14 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char **
 		free_token(token);
 		type = process_arg(event, arg, &token);
 		if (test_type_token(type, token, EVENT_OP, "}"))
-			goto out_free;
+			goto out_free_field;
 
 		value = arg_eval(arg);
 		if (value == NULL)
-			goto out_free;
+			goto out_free_field;
 		field->str = strdup(value);
 		if (field->str == NULL)
-			goto out_free;
+			goto out_free_field;
 		free_arg(arg);
 		arg = NULL;
 
@@ -2218,6 +2218,8 @@ process_fields(struct event_format *event, struct print_flag_sym **list, char **
 	*tok = token;
 	return type;
 
+out_free_field:
+	free_flag_sym(field);
 out_free:
 	free_arg(arg);
 	free_token(token);
--
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