perf test: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error messages 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/20140814022245.3545.91394.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index c6796d2..9948136 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -185,9 +185,11 @@
static int run_test(struct test *test)
{
int status, err = -1, child = fork();
+ char sbuf[STRERR_BUFSIZE];
if (child < 0) {
- pr_err("failed to fork test: %s\n", strerror(errno));
+ pr_err("failed to fork test: %s\n",
+ strerror_r(errno, sbuf, sizeof(sbuf)));
return -1;
}