Fix reading disconnect packets without reason code

Wiebe Cazemier
1 parent 4a702421
Showing 1 changed file with 2 additions and 2 deletions
mqttpacket.cpp
@@ -801,10 +801,10 @@ void MqttPacket::handleDisconnect()
  
     if (this->protocolVersion >= ProtocolVersion::Mqtt5)
     {
-        reasonCode = static_cast<ReasonCodes>(readByte());
-
         if (!atEnd())
         {
+            reasonCode = static_cast<ReasonCodes>(readByte());
+
             const size_t proplen = decodeVariableByteIntAtPos();
             const size_t prop_end_at = pos + proplen;