$NetBSD: patch-al,v 1.6 2009/07/08 20:00:58 hasso Exp $

http://cgit.freedesktop.org/mesa/mesa/commit/?id=32c44fb8

--- src/glx/x11/glxcmds.c.orig	2009-07-08 21:22:47 +0300
+++ src/glx/x11/glxcmds.c	2009-07-08 21:23:31 +0300
@@ -164,7 +164,7 @@ GetGLXScreenConfigs(Display *dpy, int sc
 {
     __GLXdisplayPrivate * const priv = __glXInitialize(dpy);
 
-    return (priv->screenConfigs != NULL) ? &priv->screenConfigs[scrn] : NULL;
+    return (priv && priv->screenConfigs != NULL) ? &priv->screenConfigs[scrn] : NULL;
 }
 
 
