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
2016-02-20 06:26:09 +00:00
parent 845746817f
commit d3a3192f58
1 changed files with 1 additions and 1 deletions
--- 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";