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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>
This commit is contained in:
Jiri Olsa 2016-03-08 19:42:30 +01:00 committed by Arnaldo Carvalho de Melo
parent d7b617f51b
commit ea8f75f981
1 changed files with 2 additions and 2 deletions
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4
tools/perf/util/pmu.c
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@ -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: