MAXLAN: ignore invalid data (which the cube sends after a reset)

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2162 2b470e98-0d58-463d-a4d8-8e2adae1ed80

FHEM/00_MAXLAN.pm

@@ -499,6 +499,7 @@ MAXLAN_Parse($$)
       Log 5, "bindata: ".unpack("H*",substr($bindata,0,$len+1)); #+1 because the len field is not counted
       Log 5, "len $len, addr $addr, initialized $initialized, valid $valid, rferror $rferror1, errframetype $errframetype, unkbit ($unkbit1,$unkbit2,$unkbit3,$unkbit4)";
 
+      if($valid) {
         my $shash = $modules{MAX}{defptr}{$addr};
 
         if(!$shash) {
@@ -532,8 +533,9 @@ MAXLAN_Parse($$)
         }else{
           Log 2, "Got status for unimplemented device type $shash->{type}";
         }
+      } # if($valid)
       $bindata=substr($bindata,$len+1); #+1 because the len field is not counted
-    }
+    } # while(length($bindata))
 
     if(!$hash->{gothello}) {
       # "L:..." is the last response after connection before the cube starts to idle