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Message-ID: <20140814022040.3140.9378.stgit@kbuild-fedora.novalocal> Date: Thu, 14 Aug 2014 02:20:40 +0000 From: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Naohiro Aota <naota@...sp.net>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...hat.com>, Paul Mackerras <paulus@...ba.org>, Namhyung Kim <namhyung@...nel.org> Subject: [PATCH 7/8] perf record: 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@...achi.com> --- tools/perf/builtin-record.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4db670d..87e28a4 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -161,7 +161,7 @@ try_again: if (perf_evlist__apply_filters(evlist)) { error("failed to set filter with %d (%s)\n", errno, - strerror(errno)); + strerror_r(errno, msg, sizeof(msg))); rc = -1; goto out; } @@ -175,7 +175,8 @@ try_again: "(current value: %u)\n", opts->mmap_pages); rc = -errno; } else { - pr_err("failed to mmap with %d (%s)\n", errno, strerror(errno)); + pr_err("failed to mmap with %d (%s)\n", errno, + strerror_r(errno, msg, sizeof(msg))); rc = -errno; } goto out; @@ -480,7 +481,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) } if (forks && workload_exec_errno) { - char msg[512]; + char msg[STRERR_BUFSIZE]; const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); pr_err("Workload failed: %s\n", emsg); err = -1; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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