提交 35550da3 编写于 作者: M Masami Hiramatsu 提交者: Arnaldo Carvalho de Melo

perf record: Use strerror_r instead of strerror

Use strerror_r instead of strerror in error messages for thread-safety.
Signed-off-by: NMasami 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.novalocalSigned-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
上级 942a91ed
...@@ -161,7 +161,7 @@ static int record__open(struct record *rec) ...@@ -161,7 +161,7 @@ static int record__open(struct record *rec)
if (perf_evlist__apply_filters(evlist)) { if (perf_evlist__apply_filters(evlist)) {
error("failed to set filter with %d (%s)\n", errno, error("failed to set filter with %d (%s)\n", errno,
strerror(errno)); strerror_r(errno, msg, sizeof(msg)));
rc = -1; rc = -1;
goto out; goto out;
} }
...@@ -175,7 +175,8 @@ static int record__open(struct record *rec) ...@@ -175,7 +175,8 @@ static int record__open(struct record *rec)
"(current value: %u)\n", opts->mmap_pages); "(current value: %u)\n", opts->mmap_pages);
rc = -errno; rc = -errno;
} else { } 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; rc = -errno;
} }
goto out; goto out;
...@@ -480,7 +481,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) ...@@ -480,7 +481,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
} }
if (forks && workload_exec_errno) { if (forks && workload_exec_errno) {
char msg[512]; char msg[STRERR_BUFSIZE];
const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg)); const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg));
pr_err("Workload failed: %s\n", emsg); pr_err("Workload failed: %s\n", emsg);
err = -1; err = -1;
......
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