xfixes: don't dereference a NULL cursor

If the new cursor is the NULL cursor, don't dereference it and use zeros
instead.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com>
(cherry picked from commit 1ab50be938)
This commit is contained in:
Peter Hutterer 2011-11-30 09:06:06 +10:00 committed by Jeremy Huddleston
parent 9e0f777b7b
commit 85ee512bd5

View File

@ -165,9 +165,9 @@ CursorDisplayCursor (DeviceIntPtr pDev,
ev.type = XFixesEventBase + XFixesCursorNotify;
ev.subtype = XFixesDisplayCursorNotify;
ev.window = e->pWindow->drawable.id;
ev.cursorSerial = pCursor->serialNumber;
ev.cursorSerial = pCursor ? pCursor->serialNumber : 0;
ev.timestamp = currentTime.milliseconds;
ev.name = pCursor->name;
ev.name = pCursor ? pCursor->name : None;
WriteEventsToClient (e->pClient, 1, (xEvent *) &ev);
}
}