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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@redhat.com>
AuthorDate: Tue, 8 Mar 2016 19:42:30 +0100
Committer: Arnaldo Carvalho de Melo <acme@redhat.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@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160308184230.GB7897@krava.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.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:
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