From 50c101135c6af901cef2082f542971ce5d9efe26 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Stefan=20D=C3=B6singer?= <stefan@codeweavers.com>
Date: Tue, 14 Aug 2007 14:40:33 +0200
Subject: [PATCH] wined3d: Refuse to ReleaseDC the wrong DC.

---
 dlls/wined3d/surface.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/wined3d/surface.c b/dlls/wined3d/surface.c
index 7e525c5fa90..2abb277db33 100644
--- a/dlls/wined3d/surface.c
+++ b/dlls/wined3d/surface.c
@@ -1456,6 +1456,11 @@ HRESULT WINAPI IWineD3DSurfaceImpl_ReleaseDC(IWineD3DSurface *iface, HDC hDC) {
     if (!(This->Flags & SFLAG_DCINUSE))
         return WINED3DERR_INVALIDCALL;
 
+    if (This->hDC !=hDC) {
+        WARN("Application tries to release an invalid DC(%p), surface dc is %p\n", hDC, This->hDC);
+        return WINED3DERR_INVALIDCALL;
+    }
+
     /* we locked first, so unlock now */
     IWineD3DSurface_UnlockRect(iface);
 
-- 
2.11.4.GIT