From b97d01b78bf1afd378535ab99f322eb3b014ac8c Mon Sep 17 00:00:00 2001
From: Christian <christian.kratky@googlemail.com>
Date: Sun, 21 Mar 2021 20:42:09 +0100
Subject: [PATCH] Fix wrong data validation (#342).

---
 Source/MQTTnet/Formatter/V3/MqttV310DataConverter.cs | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/Source/MQTTnet/Formatter/V3/MqttV310DataConverter.cs b/Source/MQTTnet/Formatter/V3/MqttV310DataConverter.cs
index c2b16747..9fc4d2a1 100644
--- a/Source/MQTTnet/Formatter/V3/MqttV310DataConverter.cs
+++ b/Source/MQTTnet/Formatter/V3/MqttV310DataConverter.cs
@@ -244,11 +244,6 @@ namespace MQTTnet.Formatter.V3
 
         public MqttDisconnectPacket CreateDisconnectPacket(MqttClientDisconnectOptions options)
         {
-            if (options.ReasonCode != MqttClientDisconnectReason.NormalDisconnection || options.ReasonString != null)
-            {
-                throw new MqttProtocolViolationException("Reason codes and reason string for disconnect are only supported for MQTTv5.");
-            }
-
             return new MqttDisconnectPacket();
         }