From 24928b85dc996c8d0a052ddf383df25718ee5305 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michel=20D=C3=A4nzer?= <michel@tungstengraphics.com>
Date: Sat, 15 Nov 2008 13:28:53 +0100
Subject: [PATCH] DRI2: Don't crash in DRI2ClipNotify when DRI2DrawablePtr is
 NULL.

---
 hw/xfree86/dri2/dri2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index 4c5275791..3c852a462 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -258,7 +258,7 @@ DRI2ClipNotify(WindowPtr pWin, int dx, int dy)
     DRI2ScreenPtr       ds = DRI2GetScreen(pScreen);
     DRI2DrawablePtr     dd = DRI2GetDrawable(&pWin->drawable);
 
-    if (ds->lastSequence < dd->pendingSequence && ds->Wait)
+    if (dd && ds->lastSequence < dd->pendingSequence && ds->Wait)
 	ds->Wait(pWin, dd->pendingSequence);
 
     if (ds->ClipNotify) {