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| 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 11:12:28 +1000 |
| commit | b907c23d00feae0e361f02c80570ec490e44ad6f (patch) | |
| tree | bfe8dfe3dede579e8db23f52b90840bdee427a87 /src/draglock.c | |
| parent | Add README with pointers to mailing list, bugzilla & git repos (diff) | |
| download | xf86-input-evdev-b907c23d00feae0e361f02c80570ec490e44ad6f.tar.gz xf86-input-evdev-b907c23d00feae0e361f02c80570ec490e44ad6f.tar.bz2 xf86-input-evdev-b907c23d00feae0e361f02c80570ec490e44ad6f.zip | |
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>
(cherry picked from commit 07f40a04df28e9ee6318411beb71eedc7cd6e288)
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) |