diff options
| -rw-r--r-- | tools/perf/util/trace-event-read.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index 53f1920c3fcb..db1622fc99c2 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -72,12 +72,16 @@ static ssize_t do_read(void *data, size_t size) static void skip(size_t size) { char buf[BUFSIZ]; - size_t r; + ssize_t ret; while (size) { - r = size > BUFSIZ ? BUFSIZ : size; - do_read(buf, r); - size -= r; + size_t len = size > BUFSIZ ? BUFSIZ : size; + + ret = do_read(buf, len); + if (ret <= 0) + break; + + size -= ret; } } |