From 99cbcf396bc9cdf9bc1359ef177a8e714b4c9d34 Mon Sep 17 00:00:00 2001
From: Timo Kreuzer <timo.kreuzer@reactos.org>
Date: Sat, 28 Nov 2015 15:48:57 +0000
Subject: [PATCH] [WIN32K] Check for dc->dclevel.pSurface == NULL in
 IntGdiPolygon. CORE-10377 #resolve

svn path=/trunk/; revision=70179
---
 reactos/win32ss/gdi/ntgdi/fillshap.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/reactos/win32ss/gdi/ntgdi/fillshap.c b/reactos/win32ss/gdi/ntgdi/fillshap.c
index db16f01ea86..fa9c27a98ac 100644
--- a/reactos/win32ss/gdi/ntgdi/fillshap.c
+++ b/reactos/win32ss/gdi/ntgdi/fillshap.c
@@ -81,8 +81,11 @@ IntGdiPolygon(PDC    dc,
         pbrFill = dc->dclevel.pbrFill;
         pbrLine = dc->dclevel.pbrLine;
         psurf = dc->dclevel.pSurface;
-        /* FIXME: psurf can be NULL!!!! don't assert but handle this case gracefully! */
-        ASSERT(psurf);
+        if (psurf == NULL)
+        {
+            /* Memory DC without a bitmap selected, nothing to do. */
+            return TRUE;
+        }
 
         /* Now fill the polygon with the current fill brush. */
         if (!(pbrFill->flAttrs & BR_IS_NULL))