diff options
| author | Peter Hutterer <peter.hutterer@who-t.net> | 2013-06-26 16:47:43 +1000 |
|---|---|---|
| committer | Peter Hutterer <peter.hutterer@who-t.net> | 2013-06-27 10:41:54 +1000 |
| commit | 70c17eac019a3801f3e748d9366e5d2b4fbca9b8 (patch) | |
| tree | b18fa31f518722b9b092b72da8b5a73eb30d1c58 /libevdev/libevdev-int.h | |
| parent | 7bb8e339ca9425e7378c7f6900ff5657dca34d14 (diff) | |
| download | libevdev-70c17eac019a3801f3e748d9366e5d2b4fbca9b8.tar.gz | |
Don't crash peeking at a zero-sized queue
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Diffstat (limited to 'libevdev/libevdev-int.h')
| -rw-r--r-- | libevdev/libevdev-int.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libevdev/libevdev-int.h b/libevdev/libevdev-int.h index 5d3502a..1a4f224 100644 --- a/libevdev/libevdev-int.h +++ b/libevdev/libevdev-int.h @@ -121,7 +121,7 @@ queue_pop(struct libevdev *dev, struct input_event *ev) static inline int queue_peek(struct libevdev *dev, size_t idx, struct input_event *ev) { - if (idx > dev->queue_next) + if (dev->queue_next == 0 || idx > dev->queue_next) return 1; *ev = dev->queue[idx]; return 0; |