From cc5958705232a6c4b3549eee84a4efb00d56d228 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lubo=C5=A1=20Lu=C5=88=C3=A1k?= <l.lunak@kde.org>
Date: Tue, 9 Mar 2004 13:05:29 +0000
Subject: [PATCH] Don't lock up after doing Ctrl+Alt+Esc and clicking on the
 root window.

svn path=/trunk/kdebase/kwin/; revision=294662
---
 workspace.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/workspace.cpp b/workspace.cpp
index d299a150d6..7689705754 100644
--- a/workspace.cpp
+++ b/workspace.cpp
@@ -1291,6 +1291,8 @@ void Workspace::propagateSystemTrayWins()
 
 void Workspace::killWindowId( Window window_to_kill )
     {
+    if( window_to_kill == None )
+        return;
     Window window = window_to_kill;
     Client* client = NULL;
     for(;;)