linux-kernel - [tip:perf/core] perf tools: Omit unnecessary cast in perf_pmu__parse

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Message-ID: <tip-ea8f75f981918c5946fc4029acdc86707fa901c1@git.kernel.org>
Date:	Fri, 11 Mar 2016 00:46:51 -0800
From:	tip-bot for Jiri Olsa <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, a.p.zijlstra@...llo.nl,
	hpa@...or.com, jolsa@...hat.com, mingo@...nel.org, acme@...hat.com,
	jolsa@...nel.org, namhyung@...nel.org, tglx@...utronix.de,
	dsahern@...il.com
Subject: [tip:perf/core] perf tools: Omit unnecessary cast in
 perf_pmu__parse_scale

Commit-ID:  ea8f75f981918c5946fc4029acdc86707fa901c1
Gitweb:     http://git.kernel.org/tip/ea8f75f981918c5946fc4029acdc86707fa901c1
Author:     Jiri Olsa <jolsa@...hat.com>
AuthorDate: Tue, 8 Mar 2016 19:42:30 +0100
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 9 Mar 2016 10:42:22 -0300

perf tools: Omit unnecessary cast in perf_pmu__parse_scale

There's no need to use a const char pointer, we can used char pointer
from the beginning and omit the unnecessary cast.

Reported-by: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/20160308184230.GB7897@krava.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/pmu.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index d8cd038..adef23b 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -98,7 +98,7 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char *
 	char scale[128];
 	int fd, ret = -1;
 	char path[PATH_MAX];
-	const char *lc;
+	char *lc;
 
 	snprintf(path, PATH_MAX, "%s/%s.scale", dir, name);
 
@@ -146,7 +146,7 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char *
 	/* restore locale */
 	setlocale(LC_NUMERIC, lc);
 
-	free((char *) lc);
+	free(lc);
 
 	ret = 0;
 error: