[greatlrd] 24288: NtGdiCreateDIBitmap fixed 2 more hiden bugs (cause some crash/bsod) but not the bug I am searching for.

Author: greatlrd
Date: Thu Sep 28 23:08:07 2006
New Revision: 24288

URL: http://svn.reactos.org/svn/reactos?rev=24288&view=rev
Log:
NtGdiCreateDIBitmap
fixed 2 more hiden bugs (cause some crash/bsod) but not the bug I am searching for. 

Modified:
    trunk/reactos/subsystems/win32/win32k/objects/dibobj.c

Modified: trunk/reactos/subsystems/win32/win32k/objects/dibobj.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ob…
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/dibobj.c (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/dibobj.c Thu Sep 28 23:08:07 2006
@@ -793,7 +793,16 @@
   PDC Dc;
   HBITMAP Bmp;
   
- 
+  if (Header == NULL)
+  {
+	  return NULL;
+  }
+
+  if (Header->biSize == 0)
+  {
+	  return NULL;
+  }
+
   if (NULL == hDc)
   {     
 	   BITMAPINFOHEADER *change_Header = (BITMAPINFOHEADER *)Header;