[gschneider] 36579: Check for NULL before using the DC. Fixes Coverity CID 680.

Author: gschneider
Date: Sun Sep 28 14:44:58 2008
New Revision: 36579

URL: http://svn.reactos.org/svn/reactos?rev=36579&view=rev
Log:
Check for NULL before using the DC.
Fixes Coverity CID 680.

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

Modified: trunk/reactos/subsystems/win32/win32k/objects/brush.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/obj...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/objects/brush.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/objects/brush.c [iso-8859-1] Sun Sep 28 14:44:58 2008
@@ -599,14 +599,17 @@
 BOOL STDCALL
 NtGdiSetBrushOrg(HDC hDC, INT XOrg, INT YOrg, LPPOINT Point)
 {
-   PDC dc = DC_LockDc(hDC);
-   PDC_ATTR Dc_Attr = dc->pDc_Attr;
-   if (!Dc_Attr) Dc_Attr = &dc->Dc_Attr;
+   PDC dc;
+   PDC_ATTR Dc_Attr;
+
+   dc = DC_LockDc(hDC);
    if (dc == NULL)
    {
       SetLastWin32Error(ERROR_INVALID_HANDLE);
       return FALSE;
    }
+   Dc_Attr = dc->pDc_Attr;
+   if (!Dc_Attr) Dc_Attr = &dc->Dc_Attr;

if (Point != NULL)
    {