Bug#491979: X server can return BadMatch to WM instead of BadWindow

[Ben Hutchings <ben@decadent.org.uk>]

I would suggest the following change.  This is untested because the
BadWindow or BadMatch error is dependent on a race condition if I
understand correctly.  But it's "obviously correct". :-)

Ben.

--- xorg-server-1.4.2.orig/dix/dixutils.c
+++ xorg-server-1.4.2/dix/dixutils.c
@@ -245,7 +245,7 @@
 {
     int rc;
     rc = dixLookupDrawable((DrawablePtr*)pWin, id, client, M_WINDOW, access);
-    return (rc == BadDrawable) ? BadWindow : rc;
+    return (rc == BadDrawable || rc == BadMatch) ? BadWindow : rc;
 }
 
 _X_EXPORT int


-- 
Ben Hutchings
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