diff options
| author | Peter Hutterer <peter.hutterer@who-t.net> | 2009-06-08 12:24:24 +1000 |
|---|---|---|
| committer | Peter Hutterer <peter.hutterer@who-t.net> | 2009-06-09 10:34:30 +1000 |
| commit | 0e66a443a09176b8a875195d5473b953c07aa1d7 (patch) | |
| tree | b4a29bd8c5de692015dc051abbc2c9e1d6197fe9 | |
| parent | 69a9545d1f8110841538410818df19fd960412c5 (diff) | |
Xi: return BadValue for XI_HierarchyChangd mask on devices.
This mask may only be selected for XIAllDevices.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
| -rw-r--r-- | Xi/xiselectev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Xi/xiselectev.c b/Xi/xiselectev.c index 9dbdea72c..51d9c9928 100644 --- a/Xi/xiselectev.c +++ b/Xi/xiselectev.c @@ -97,6 +97,13 @@ ProcXISelectEvent(ClientPtr client) if (rc != Success) return rc; + /* hierarchy event mask is not allowed on devices */ + if (evmask->deviceid != XIAllDevices && evmask->mask_len >= 1) + { + unsigned char *bits = (unsigned char*)&evmask[1]; + if (BitIsOn(bits, XI_HierarchyChanged)) + return BadValue; + } if ((evmask->mask_len * 4) > XI_LASTEVENT) { |