[tip:perf/core] perf stat: Use strerror_r instead of strerror

[tip-bot for Masami Hiramatsu <tipbot@zytor.com>]

Commit-ID:  759e612bf96627b64fcafe4174b3f6f2dedf2c0d
Gitweb:     http://git.kernel.org/tip/759e612bf96627b64fcafe4174b3f6f2dedf2c0d
Author:     Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
AuthorDate: Thu, 14 Aug 2014 02:22:55 +0000
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Fri, 15 Aug 2014 13:08:40 -0300

perf stat: Use strerror_r instead of strerror

Use strerror_r instead of strerror in error message for thread-safety.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naohiro Aota <naota@elisp.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20140814022255.3545.81549.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-stat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 3e80aa1..5fe0edb 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -593,7 +593,7 @@ static int __run_perf_stat(int argc, const char **argv)
 
 	if (perf_evlist__apply_filters(evsel_list)) {
 		error("failed to set filter with %d (%s)\n", errno,
-			strerror(errno));
+			strerror_r(errno, msg, sizeof(msg)));
 		return -1;
 	}