From b98d733e388b47d3ea47460f6dffad85014650cf Mon Sep 17 00:00:00 2001
From: igami <igami@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 20 Jun 2017 04:16:01 +0000
Subject: [PATCH] 98_monitoring: check if event exists

git-svn-id: https://svn.fhem.de/fhem/trunk@14544 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/98_monitoring.pm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fhem/FHEM/98_monitoring.pm b/fhem/FHEM/98_monitoring.pm
index 29d5e55e6..31e1f15f4 100644
--- a/fhem/FHEM/98_monitoring.pm
+++ b/fhem/FHEM/98_monitoring.pm
@@ -268,6 +268,8 @@ sub monitoring_Notify($$) {
 
   my $events = deviceEvents($dev_hash, AttrVal($SELF, "addStateEvent", 0));
 
+  return unless($events);
+
   if($name eq "global" && "INITIALIZED" =~ m/@{$events}/){
     monitoring_setActive($hash);
 
@@ -297,6 +299,8 @@ sub monitoring_Notify($$) {
   return if(@whitelist && !(grep(/$name/, @whitelist)));
 
   foreach my $event (@{$events}){
+    next unless($event);
+
     my $addMatch = "$name:$event" =~ $addRegex;
     my $removeMatch = $removeRegex ? "$name:$event" =~ $removeRegex : 0;