From 7b133cbedda670b0437ce906183ee1c790543d08 Mon Sep 17 00:00:00 2001
From: rudolfkoenig <rudolfkoenig@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 17 Sep 2019 16:25:01 +0000
Subject: [PATCH] 00_MQTT2_CLIENT.pm: better handling of close (Forum #103717)

git-svn-id: https://svn.fhem.de/fhem/trunk@20184 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/00_MQTT2_CLIENT.pm | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/fhem/FHEM/00_MQTT2_CLIENT.pm b/fhem/FHEM/00_MQTT2_CLIENT.pm
index 9c4ab4d8a..727a180ed 100644
--- a/fhem/FHEM/00_MQTT2_CLIENT.pm
+++ b/fhem/FHEM/00_MQTT2_CLIENT.pm
@@ -290,7 +290,10 @@ MQTT2_CLIENT_Read($@)
 
   if(!$reread) {
     my $buf = DevIo_SimpleRead($hash);
-    return "" if(!defined($buf));
+    if(!defined($buf)) {
+      MQTT2_CLIENT_Disco($hash);
+      return "";
+    }
     $hash->{BUF} .= $buf;
   }