Commit-ID: 942a91ed3ffff0267944ed3161ae292d0960fd44
Gitweb: http://git.kernel.org/tip/942a91ed3ffff0267944ed3161ae292d0960fd44
Author: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
AuthorDate: Thu, 14 Aug 2014 02:22:41 +0000
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 15 Aug 2014 13:06:28 -0300
perf trace: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error message for thead-safety.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Naohiro Aota <naota@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20140814022241.3545.97543.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-trace.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index d080b9c..a9e96ff 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -1750,7 +1750,7 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel,
signed_print:
fprintf(trace->output, ") = %d", ret);
} else if (ret < 0 && sc->fmt->errmsg) {
- char bf[256];
+ char bf[STRERR_BUFSIZE];
const char *emsg = strerror_r(-ret, bf, sizeof(bf)),
*e = audit_errno_to_name(-ret);
@@ -2044,6 +2044,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
int err = -1, i;
unsigned long before;
const bool forks = argc > 0;
+ char sbuf[STRERR_BUFSIZE];
trace->live = true;
@@ -2105,7 +2106,8 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false);
if (err < 0) {
- fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno));
+ fprintf(trace->output, "Couldn't mmap the events: %s\n",
+ strerror_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}
--
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