From aa7fccdcc992b3007e51205faeade4e92fae5f87 Mon Sep 17 00:00:00 2001
From: mgehre <mgehre@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Wed, 23 Jan 2013 23:15:14 +0000
Subject: [PATCH] MAXLAN: fix one more error

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2558 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 FHEM/00_MAXLAN.pm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/FHEM/00_MAXLAN.pm b/FHEM/00_MAXLAN.pm
index dbbc8fff8..fdb8f48e8 100755
--- a/FHEM/00_MAXLAN.pm
+++ b/FHEM/00_MAXLAN.pm
@@ -265,6 +265,7 @@ MAXLAN_ReadSingleResponse($$)
 {
   my ($hash,$waitForResponse) = @_;
 
+  return undef if(!defined($hash->{TCPDev}));
 
   my ($rin, $win, $ein, $rout, $wout, $eout);
   $rin = $win = $ein = '';