Stop DCE_GetVisRect dereferencing a null wndPtr.

9fd10756 · Lawson Whitney · Alexandre Julliard · d6baf1bb · 9fd10756
Commit 9fd10756 authored Jul 18, 1999 by Lawson Whitney Committed by Alexandre Julliard Jul 18, 1999
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dce.c windows/dce.c +2 -3

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--- a/windows/dce.c
+++ b/windows/dce.c
@@ -377,10 +377,9 @@ static BOOL DCE_GetVisRect( WND *wndPtr, BOOL clientArea, RECT *lprect )
 	INT xoffset = lprect->left;
 	INT yoffset = lprect->top;

-	while( !(wndPtr->flags & WIN_NATIVE) ) 
+	while( !(wndPtr->flags & WIN_NATIVE) &&
+	   ( wndPtr = WIN_LockWndPtr(wndPtr->parent)) )
 	{
-	    wndPtr = WIN_LockWndPtr(wndPtr->parent);
-
 	    if ( (wndPtr->dwStyle & (WS_ICONIC | WS_VISIBLE)) != WS_VISIBLE )
            {
                WIN_ReleaseWndPtr(wndPtr);