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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2014-08-14 02:22:43 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-15 13:07:14 -0300
commit35550da389ba8752f024a44ef14b74001c4fc4d3 (patch)
treea04c06b41e92814d62cdb56301b63a5c1b1d3741 /tools/perf
parent942a91ed3ffff0267944ed3161ae292d0960fd44 (diff)
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@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/20140814022243.3545.7411.stgit@kbuild-fedora.novalocal Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/builtin-record.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 4db670d4b8da..87e28a4e33ba 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;