diff options
| author | Peter Hutterer <peter.hutterer@who-t.net> | 2009-02-02 11:00:30 +1000 |
|---|---|---|
| committer | Peter Hutterer <peter.hutterer@who-t.net> | 2009-02-02 11:03:08 +1000 |
| commit | 07f40a04df28e9ee6318411beb71eedc7cd6e288 (patch) | |
| tree | 921f5b7f41f671bf7e2efa5248a7f23b50389a40 /src/draglock.c | |
| parent | e260993b6af0c463bd593a3192d2ba4ee6912fc9 (diff) | |
Protect against zero-sized property values. #19882
X.Org Bug 19882 <http://bugs.freedesktop.org/show_bug.cgi?id=19882>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Diffstat (limited to 'src/draglock.c')
| -rw-r--r-- | src/draglock.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/draglock.c b/src/draglock.c index 631da17..8e97b0d 100644 --- a/src/draglock.c +++ b/src/draglock.c @@ -243,7 +243,9 @@ EvdevDragLockSetProperty(DeviceIntPtr dev, Atom atom, XIPropertyValuePtr val, return BadValue; } - if (val->size == 1) + if (val->size == 0) + return BadMatch; + else if (val->size == 1) { int meta = *((CARD8*)val->data); if (meta > EVDEV_MAXBUTTONS) |