[jgardou] 64178: [WIN32K] - Fix user-mode region attribute handling in IntGdiSetRegionOwner.

Author: jgardou
Date: Wed Sep 17 11:40:21 2014
New Revision: 64178

URL: http://svn.reactos.org/svn/reactos?rev=64178&view=rev
Log:
[WIN32K]
 - Fix user-mode region attribute handling in IntGdiSetRegionOwner.

Modified:
    trunk/reactos/win32ss/gdi/ntgdi/region.c

Modified: trunk/reactos/win32ss/gdi/ntgdi/region.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/region.c?...
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/region.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/region.c	[iso-8859-1] Wed Sep 17 11:40:21 2014
@@ -2323,23 +2323,22 @@
     PRGN_ATTR prgnattr;
     PPROCESSINFO ppi;

-    prgn = REGION_LockRgn(hRgn);
+    prgn = RGNOBJAPI_Lock(hRgn, &prgnattr);
     if (!prgn)
     {
         return FALSE;
     }

-    prgnattr = GDIOBJ_pvGetObjectAttr(&prgn->BaseObject);
-    if (prgnattr)
+    if (prgnattr != &prgn->rgnattr)
     {
         GDIOBJ_vSetObjectAttr(&prgn->BaseObject, NULL);
-        prgn->prgnattr = NULL;
+        prgn->prgnattr = &prgn->rgnattr;
         ppi = PsGetCurrentProcessWin32Process();
         GdiPoolFree(ppi->pPoolRgnAttr, prgnattr);
     }
     RGNOBJAPI_Unlock(prgn);

-     return GreSetObjectOwner(hRgn, OwnerMask);
+    return GreSetObjectOwner(hRgn, OwnerMask);
 }

INT