From 3578f73a323c258bd2e0d99cf5ff6ac37ef9ddc9 Mon Sep 17 00:00:00 2001
From: rudolfkoenig <>
Date: Sat, 20 Feb 2016 06:26:09 +0000
Subject: [PATCH] Blocking.pm: fix return if no telnet port can be created

git-svn-id: https://svn.fhem.de/fhem/trunk@10882 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/Blocking.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/Blocking.pm b/fhem/FHEM/Blocking.pm
index dd51fb9ab..f40e16d22 100644
--- a/fhem/FHEM/Blocking.pm
+++ b/fhem/FHEM/Blocking.pm
@@ -59,7 +59,7 @@ BlockingCall($$@)
       $ret = "BlockingCall ($blockingFn): ".
                 "No telnet port found and cannot create one: $ret";
       Log 1, $ret;
-      return $ret;
+      return undef;
     }
     $attr{$telnetDevice}{room} = "hidden"; # no red ?, Forum #46640
     $attr{$telnetDevice}{allowfrom} = "127.0.0.1";