From 134e84afc1e0fa3725e41dff781536a05ef724ff Mon Sep 17 00:00:00 2001
From: marha <marha@users.sourceforge.net>
Date: Tue, 24 May 2011 13:26:12 +0000
Subject: Solved possible crash because windows window disappears in the middle
 of a function call

---
 xorg-server/hw/xwin/winmultiwindowwm.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'xorg-server')

diff --git a/xorg-server/hw/xwin/winmultiwindowwm.c b/xorg-server/hw/xwin/winmultiwindowwm.c
index fae132329..015192070 100644
--- a/xorg-server/hw/xwin/winmultiwindowwm.c
+++ b/xorg-server/hw/xwin/winmultiwindowwm.c
@@ -1685,6 +1685,11 @@ winApplyHints (Display *pDisplay, Window iWindow, HWND hWnd, HWND *zstyle)
   if (hint & HINT_NOMAXIMIZE)
     style = style & ~WS_MAXIMIZEBOX;
 
+  if (!IsWindow (hWnd))
+  {
+    ErrorF("Windows window 0x%x has become invalid, so returning without applying hints\n",hWnd);
+    return;
+  }
                 
   if (winMultiWindowGetWMNormalHints(pWin, &SizeHints))
   {
-- 
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