linux-kernel - [tip:perf/urgent] perf tools: Simplify event_read

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Message-ID: <tip-842f07f6127afa48cca6b2ce9021b985e8eb9068@git.kernel.org>
Date:	Fri, 23 Mar 2012 01:28:57 -0700
From:	tip-bot for Borislav Petkov <bp@...64.org>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, hpa@...or.com,
	mingo@...nel.org, tglx@...utronix.de, bp@...64.org
Subject: [tip:perf/urgent] perf tools: Simplify event_read_id exit path

Commit-ID:  842f07f6127afa48cca6b2ce9021b985e8eb9068
Gitweb:     http://git.kernel.org/tip/842f07f6127afa48cca6b2ce9021b985e8eb9068
Author:     Borislav Petkov <bp@...64.org>
AuthorDate: Wed, 21 Mar 2012 15:15:47 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Thu, 22 Mar 2012 15:10:42 -0300

perf tools: Simplify event_read_id exit path

We're freeing the token in any case so simplify the exit path by
unifying it.

No functional change.

Signed-off-by: Borislav Petkov <bp@...64.org>
Link: http://lkml.kernel.org/r/1332339347-21342-1-git-send-email-bp@amd64.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/trace-event-parse.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index a4088ce..dfd1bd8 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -722,7 +722,7 @@ static char *event_read_name(void)
 static int event_read_id(void)
 {
 	char *token;
-	int id;
+	int id = -1;
 
 	if (read_expected_item(EVENT_ITEM, "ID") < 0)
 		return -1;
@@ -731,15 +731,13 @@ static int event_read_id(void)
 		return -1;
 
 	if (read_expect_type(EVENT_ITEM, &token) < 0)
-		goto fail;
+		goto free;
 
 	id = strtoul(token, NULL, 0);
-	free_token(token);
-	return id;
 
- fail:
+ free:
 	free_token(token);
-	return -1;
+	return id;
 }
 
 static int field_is_string(struct format_field *field)
--
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