From 00b90311f30c9ee6878e744033fe03b5f91d3bf4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Gardou?= <jerome.gardou@reactos.org>
Date: Wed, 17 Sep 2014 11:40:21 +0000
Subject: [PATCH] [WIN32K]  - Fix user-mode region attribute handling in
 IntGdiSetRegionOwner.

svn path=/trunk/; revision=64178
---
 reactos/win32ss/gdi/ntgdi/region.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/reactos/win32ss/gdi/ntgdi/region.c b/reactos/win32ss/gdi/ntgdi/region.c
index e6f737f1c2d..cda069cccc5 100644
--- a/reactos/win32ss/gdi/ntgdi/region.c
+++ b/reactos/win32ss/gdi/ntgdi/region.c
@@ -2323,23 +2323,22 @@ IntGdiSetRegionOwner(HRGN hRgn, DWORD OwnerMask)
     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