From e48a41a1e2de28f194b3cdfffe4023cda1bb1567 Mon Sep 17 00:00:00 2001
From: justme1968 <justme1968@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Wed, 19 Apr 2017 18:59:11 +0000
Subject: [PATCH] 33_readingsGroup.pm: check for empty hash in IODev. see
 forum: https://forum.fhem.de/index.php/topic,14425.msg623033.html#msg623033

git-svn-id: https://svn.fhem.de/fhem/trunk@14038 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/33_readingsGroup.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fhem/FHEM/33_readingsGroup.pm b/fhem/FHEM/33_readingsGroup.pm
index 0e3c4edae..7a6926d84 100644
--- a/fhem/FHEM/33_readingsGroup.pm
+++ b/fhem/FHEM/33_readingsGroup.pm
@@ -118,7 +118,7 @@ readingsGroup_updateDevices($;$)
           next if( IsIgnored($d) );
           next if( !defined($defs{$d}{$lattr}) );
           next if( $lattr ne 'IODev' && $defs{$d}{$lattr} !~ m/^$re$/);
-          next if( $lattr eq 'IODev' && $defs{$d}{$lattr}{NAME} !~ m/^$re$/);
+          next if( $lattr eq 'IODev' && $defs{$d}{$lattr}{NAME} && $defs{$d}{$lattr}{NAME} !~ m/^$re$/);
           $list{$d} = 1;
           push @devices, [$d,$device[1]];
         }