From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756898AbcCXHpe (ORCPT ); Thu, 24 Mar 2016 03:45:34 -0400 Received: from terminus.zytor.com ([198.137.202.10]:43480 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751448AbcCXHp0 (ORCPT ); Thu, 24 Mar 2016 03:45:26 -0400 Date: Thu, 24 Mar 2016 00:45:10 -0700 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: hpa@zytor.com, jolsa@kernel.org, mingo@kernel.org, adrian.hunter@intel.com, wangnan0@huawei.com, tglx@linutronix.de, linux-kernel@vger.kernel.org, namhyung@kernel.org, acme@redhat.com Reply-To: mingo@kernel.org, adrian.hunter@intel.com, hpa@zytor.com, jolsa@kernel.org, namhyung@kernel.org, linux-kernel@vger.kernel.org, acme@redhat.com, tglx@linutronix.de, wangnan0@huawei.com To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/urgent] perf llvm: Use strerror_r instead of the thread unsafe strerror one Git-Commit-ID: 76267147f233f347dbd8f4f8c05492e5ea0a7dce X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 76267147f233f347dbd8f4f8c05492e5ea0a7dce Gitweb: http://git.kernel.org/tip/76267147f233f347dbd8f4f8c05492e5ea0a7dce Author: Arnaldo Carvalho de Melo AuthorDate: Wed, 23 Mar 2016 17:42:21 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 23 Mar 2016 17:42:21 -0300 perf llvm: Use strerror_r instead of the thread unsafe strerror one Cc: Adrian Hunter Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-5njrq9dltckgm624omw9ljgu@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/llvm-utils.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c index aab855f..33071d6 100644 --- a/tools/perf/util/llvm-utils.c +++ b/tools/perf/util/llvm-utils.c @@ -98,11 +98,12 @@ read_from_pipe(const char *cmd, void **p_buf, size_t *p_read_sz) void *buf = NULL; FILE *file = NULL; size_t read_sz = 0, buf_sz = 0; + char serr[STRERR_BUFSIZE]; file = popen(cmd, "r"); if (!file) { pr_err("ERROR: unable to popen cmd: %s\n", - strerror(errno)); + strerror_r(errno, serr, sizeof(serr))); return -EINVAL; } @@ -136,7 +137,7 @@ read_from_pipe(const char *cmd, void **p_buf, size_t *p_read_sz) if (ferror(file)) { pr_err("ERROR: error occurred when reading from pipe: %s\n", - strerror(errno)); + strerror_r(errno, serr, sizeof(serr))); err = -EIO; goto errout; } @@ -370,7 +371,7 @@ int llvm__compile_bpf(const char *path, void **p_obj_buf, if (nr_cpus_avail <= 0) { pr_err( "WARNING:\tunable to get available CPUs in this system: %s\n" -" \tUse 128 instead.\n", strerror(errno)); +" \tUse 128 instead.\n", strerror_r(errno, serr, sizeof(serr))); nr_cpus_avail = 128; } snprintf(nr_cpus_avail_str, sizeof(nr_cpus_avail_str), "%d",