PickPointer or PickKeyboard return NULL, all MDs are currently disabled and
we cannot emulate a core event. This wasn't anticipated by the protocol, so
we don't really have an error code we may use here - BadAccess is simply the
least bad of the possible ones.
And returning BadAccess beats crashing the server.
X.Org Bug 45796 <http://bugs.freedesktop.org/show_bug.cgi?id=45796>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
6b6afd3d01