From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754505AbaHNCWx (ORCPT ); Wed, 13 Aug 2014 22:22:53 -0400 Received: from mail9.hitachi.co.jp ([133.145.228.44]:52014 "EHLO mail9.hitachi.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754350AbaHNCWv (ORCPT ); Wed, 13 Aug 2014 22:22:51 -0400 X-AuditID: 85900ec0-d1d29b9000001514-ba-53ec1d789dc1 Subject: [PATCH 09/13] perf sched: Use strerror_r instead of strerror From: Masami Hiramatsu To: Arnaldo Carvalho de Melo Cc: Naohiro Aota , Peter Zijlstra , LKML , Ingo Molnar , Paul Mackerras , Namhyung Kim Date: Thu, 14 Aug 2014 02:22:47 +0000 Message-ID: <20140814022247.3545.4564.stgit@kbuild-fedora.novalocal> In-Reply-To: <20140814022228.3545.90481.stgit@kbuild-fedora.novalocal> References: <20140814022228.3545.90481.stgit@kbuild-fedora.novalocal> User-Agent: StGit/0.17-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Use strerror_r instead of strerror in error message for thread-safety. Signed-off-by: Masami Hiramatsu --- tools/perf/builtin-sched.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index f5874a2..9c9287f 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -428,6 +428,7 @@ static u64 get_cpu_usage_nsec_parent(void) static int self_open_counters(void) { struct perf_event_attr attr; + char sbuf[STRERR_BUFSIZE]; int fd; memset(&attr, 0, sizeof(attr)); @@ -440,7 +441,8 @@ static int self_open_counters(void) if (fd < 0) pr_err("Error: sys_perf_event_open() syscall returned " - "with %d (%s)\n", fd, strerror(errno)); + "with %d (%s)\n", fd, + strerror_r(errno, sbuf, sizeof(sbuf))); return fd; }