[mbosma] 25132: Check if This and ThisSrc are NULL.

Author: mbosma
Date: Tue Dec 12 21:54:50 2006
New Revision: 25132

URL: http://svn.reactos.org/svn/reactos?rev=25132&view=rev
Log:
Check if This and ThisSrc are NULL.

Modified:
    trunk/reactos/dll/directx/ddraw/main/ddraw_main.c
    trunk/reactos/dll/directx/ddraw/main/surface_main.c

Modified: trunk/reactos/dll/directx/ddraw/main/ddraw_main.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/directx/ddraw/main/ddr…
==============================================================================
--- trunk/reactos/dll/directx/ddraw/main/ddraw_main.c (original)
+++ trunk/reactos/dll/directx/ddraw/main/ddraw_main.c Tue Dec 12 21:54:50 2006
@@ -109,7 +109,7 @@
             }
 		}
     }
-    return This->dwIntRefCnt;
+	return This ? This->dwIntRefCnt : 0;
 }
 
 /*

Modified: trunk/reactos/dll/directx/ddraw/main/surface_main.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/directx/ddraw/main/sur…
==============================================================================
--- trunk/reactos/dll/directx/ddraw/main/surface_main.c (original)
+++ trunk/reactos/dll/directx/ddraw/main/surface_main.c Tue Dec 12 21:54:50 2006
@@ -86,7 +86,7 @@
 	     BltData.Blt =
ThisDest->lpLcl->lpGbl->lpDD->lpDDCBtmp->cbDDSurfaceCallbacks.Blt;
 	    
 		 BltData.lpDDDestSurface = ThisDest->lpLcl;
-		 BltData.lpDDSrcSurface = ThisSrc->lpLcl;
+		 BltData.lpDDSrcSurface = ThisSrc ? ThisSrc->lpLcl : 0;
 		 BltData.dwFlags = dwFlags;
 
 		 if (rdst != NULL)