From 5d760b1ca8acff9e19f2ab43528878b3c0c81153 Mon Sep 17 00:00:00 2001
From: Marcus Meissner <marcus@jet.franken.de>
Date: Tue, 11 Jul 2000 22:05:21 +0000
Subject: [PATCH] Check for NULL flipchain and just return the current surface
 if it happens.

---
 dlls/ddraw/dsurface/main.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/ddraw/dsurface/main.c b/dlls/ddraw/dsurface/main.c
index edeec91a16d..700b4c7175b 100644
--- a/dlls/ddraw/dsurface/main.c
+++ b/dlls/ddraw/dsurface/main.c
@@ -88,6 +88,11 @@ IDirectDrawSurface4Impl* _common_find_flipto(
     int	i,j,flipable=0;
     struct _surface_chain	*chain = This->s.chain;
 
+    if (!chain) {
+	ERR("No flip chain? -> returning This.\n");
+	return This;
+    }
+
     /* if there was no override flipto, look for current backbuffer */
     if (!flipto) {
 	/* walk the flip chain looking for backbuffer */