[jimtabor] 75980: [NtUser] - Patch by MudHead : Should test for invalid parent parameter. See CORE-13718.

Author: jimtabor
Date: Wed Sep 27 22:39:17 2017
New Revision: 75980

URL: http://svn.reactos.org/svn/reactos?rev=75980&view=rev
Log:
[NtUser]
- Patch by MudHead : Should test for invalid parent parameter. See CORE-13718.

Modified:
    trunk/reactos/win32ss/user/ntuser/window.c

Modified: trunk/reactos/win32ss/user/ntuser/window.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/user/ntuser/window....
==============================================================================
--- trunk/reactos/win32ss/user/ntuser/window.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/user/ntuser/window.c	[iso-8859-1] Wed Sep 27 22:39:17 2017
@@ -1944,7 +1944,7 @@
     }
     else if ((Cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
     {
-         ERR("Cannot create a child window without a parrent!\n");
+         ERR("Cannot create a child window without a parent!\n");
          EngSetLastError(ERROR_TLW_WITH_WSCHILD);
          goto cleanup;  /* WS_CHILD needs a parent, but WS_POPUP doesn't */
     }
@@ -1955,6 +1955,12 @@
     if (hWndParent && !ParentWindow)
     {
         ERR("Got invalid parent window handle\n");
+        goto cleanup;
+    }
+    else if (hWndOwner && !OwnerWindow)
+    {
+        ERR("Got invalid owner window handle\n");
+        ParentWindow = NULL;
         goto cleanup;
     }