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>

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 3e80aa10cfd8d717c37850a23abade2321f134a4..5fe0edb1de5dc1e00c9004376b48700e01ad86e4 100644 (file)
--- 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;
        }