diff options
Diffstat (limited to 'tools/perf/util/evsel.c')
| -rw-r--r-- | tools/perf/util/evsel.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index abc7fda4a0fe..d831038b55f2 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1574,7 +1574,7 @@ int evsel__open(struct evsel *evsel, struct perf_cpu_map *cpus, { int cpu, thread, nthreads; unsigned long flags = PERF_FLAG_FD_CLOEXEC; - int pid = -1, err; + int pid = -1, err, old_errno; enum { NO_CHANGE, SET_TO_MAX, INCREASED_MAX } set_rlimit = NO_CHANGE; if ((perf_missing_features.write_backward && evsel->core.attr.write_backward) || @@ -1727,8 +1727,8 @@ try_fallback: */ if (err == -EMFILE && set_rlimit < INCREASED_MAX) { struct rlimit l; - int old_errno = errno; + old_errno = errno; if (getrlimit(RLIMIT_NOFILE, &l) == 0) { if (set_rlimit == NO_CHANGE) l.rlim_cur = l.rlim_max; @@ -1812,6 +1812,7 @@ out_close: if (err) threads->err_thread = thread; + old_errno = errno; do { while (--thread >= 0) { close(FD(evsel, cpu, thread)); @@ -1819,6 +1820,7 @@ out_close: } thread = nthreads; } while (--cpu >= 0); + errno = old_errno; return err; } |