From e6fd7faa4b9f8c824735bac85d8cd4de84833776 Mon Sep 17 00:00:00 2001
From: Gilbert Wong <gilbertwong96@icloud.com>
Date: Fri, 31 Aug 2018 16:24:10 +0800
Subject: [PATCH] add format_variable for disconnect packet

---
 src/emqx_packet.erl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/emqx_packet.erl b/src/emqx_packet.erl
index 7e4f27821..715526964 100644
--- a/src/emqx_packet.erl
+++ b/src/emqx_packet.erl
@@ -195,6 +195,10 @@ format_variable(#mqtt_packet_connect{
                        end,
     io_lib:format(Format1, Args1);
 
+format_variable(#mqtt_packet_disconnect
+                {reason_code = ReasonCode}) ->
+    io_lib:format("ReasonCode=~p", [ReasonCode]);
+
 format_variable(#mqtt_packet_connack{ack_flags   = AckFlags,
                                      reason_code = ReasonCode}) ->
     io_lib:format("AckFlags=~p, ReasonCode=~p", [AckFlags, ReasonCode]);