From 25b05b1a2f9b69a34d3edb7f61ba8dc728e7dac4 Mon Sep 17 00:00:00 2001
From: Lionel Ulmer <lionel.ulmer@free.fr>
Date: Wed, 3 May 2000 17:43:07 +0000
Subject: [PATCH] Remove the assertion when there is no source surface.

---
 dlls/ddraw/dsurface/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ddraw/dsurface/main.c b/dlls/ddraw/dsurface/main.c
index 13d8d6a89ac..265c68950d2 100644
--- a/dlls/ddraw/dsurface/main.c
+++ b/dlls/ddraw/dsurface/main.c
@@ -221,7 +221,7 @@ HRESULT WINAPI IDirectDrawSurface4Impl_Blt(
 	    memset(&xsrc,0,sizeof(xsrc));
 	}
     }
-    assert(xsrc.bottom <= sdesc.dwHeight);
+    if (src) assert(xsrc.bottom <= sdesc.dwHeight);
     assert(xdst.bottom <= ddesc.dwHeight);
 
     bpp = GET_BPP(ddesc);