From 71bdc7c851d423493928fb1681a900f2f156db2b Mon Sep 17 00:00:00 2001
From: Francois Boisvert <francois@macadamian.com>
Date: Sun, 11 Apr 1999 11:59:25 +0000
Subject: [PATCH] Check if pTempActiveWindow in WINPOS_SetWindowPos is valid
 after the QUEUE_Lock.

---
 windows/winpos.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/windows/winpos.c b/windows/winpos.c
index d98a4d7d028..d07f01b9e18 100644
--- a/windows/winpos.c
+++ b/windows/winpos.c
@@ -1686,6 +1686,9 @@ BOOL WINPOS_SetActiveWindow( HWND hWnd, BOOL fMouse, BOOL fChangeFocus)
          * (global active queue may have changed)
          */
         pTempActiveQueue = QUEUE_Lock( hActiveQueue );
+        if(!pTempActiveQueue)
+            goto CLEANUP_END;
+
         hwndActive = PERQDATA_GetActiveWnd( pTempActiveQueue->pQData );
         QUEUE_Unlock( pTempActiveQueue );
         if( hwndPrevActive != hwndActive )