From 1e8cc39810ed6afb3f6fb1b4ebeb00adc016d481 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?G=C3=A9=20van=20Geldorp?= <ge@gse.nl>
Date: Sat, 22 Mar 2003 23:57:05 +0000
Subject: [PATCH] Don't access internal object for NULL handle

svn path=/trunk/; revision=4402
---
 reactos/subsys/win32k/eng/xlate.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/reactos/subsys/win32k/eng/xlate.c b/reactos/subsys/win32k/eng/xlate.c
index 57b5780c3c5..00a4f631366 100644
--- a/reactos/subsys/win32k/eng/xlate.c
+++ b/reactos/subsys/win32k/eng/xlate.c
@@ -198,8 +198,14 @@ XLATEOBJ *IntEngCreateXlate(USHORT DestPalType, USHORT SourcePalType,
   ASSERT( XlateObj );
   ASSERT( XlateGDI );
 
-  SourcePalGDI = (PALGDI*)AccessInternalObject((ULONG)PaletteSource);
-  DestPalGDI = (PALGDI*)AccessInternalObject((ULONG)PaletteDest);
+  if (NULL != PaletteSource)
+  {
+    SourcePalGDI = (PALGDI*)AccessInternalObject((ULONG)PaletteSource);
+  }
+  if (NULL != PaletteDest)
+  {
+    DestPalGDI = (PALGDI*)AccessInternalObject((ULONG)PaletteDest);
+  }
 
   XlateObj->iSrcType = SourcePalType;
   XlateObj->iDstType = DestPalType;