diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 95a44bcfc2dc..b92a457ca32e 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -185,6 +185,8 @@ static void do_read(int fd, void *buf, size_t size) if (ret < 0) die("failed to read"); + if (ret == 0) + die("failed to read: missing data"); size -= ret; buf += ret;