linux-kernel - [PATCH 3/4] tools lib traceevent: Free field if an error occurs on process

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Message-Id: <1348037924-17568-4-git-send-email-namhyung@kernel.org>
Date:	Wed, 19 Sep 2012 15:58:43 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Namhyung Kim <namhyung.kim@....com>
Subject: [PATCH 3/4] tools lib traceevent: Free field if an error occurs on process_fields

From: Namhyung Kim <namhyung.kim@....com>

The field should be freed on error paths.

Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/lib/traceevent/event-parse.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index bc4e70e3ba29..e0f755111bd0 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2262,10 +2262,10 @@ 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();
@@ -2275,14 +2275,14 @@ 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;
 
@@ -2296,6 +2296,8 @@ 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);
-- 
1.7.11.4

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