From 710302f377e07056fad0d2330fb11dd87197e483 Mon Sep 17 00:00:00 2001
From: Feng Lee <feng@emqx.io>
Date: Fri, 23 Aug 2019 14:52:11 +0800
Subject: [PATCH] Fix case clause error

---
 src/emqx_channel.erl | 3 ---
 src/emqx_cm.erl      | 2 +-
 2 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/emqx_channel.erl b/src/emqx_channel.erl
index c11b1e651..e1a38e43e 100644
--- a/src/emqx_channel.erl
+++ b/src/emqx_channel.erl
@@ -610,9 +610,6 @@ handle_call(Req, Channel) ->
 %% Handle cast
 %%--------------------------------------------------------------------
 
-handle_cast(discard, Channel) ->
-    {stop, {shutdown, discarded}, Channel};
-
 handle_cast(Msg, Channel) ->
     ?LOG(error, "Unexpected cast: ~p", [Msg]),
     {ok, Channel}.
diff --git a/src/emqx_cm.erl b/src/emqx_cm.erl
index 9c3b58068..3673085ac 100644
--- a/src/emqx_cm.erl
+++ b/src/emqx_cm.erl
@@ -233,7 +233,7 @@ discard_session(ClientId) when is_binary(ClientId) ->
 
 discard_session(ClientId, ChanPid) when node(ChanPid) == node() ->
     case get_chan_attrs(ClientId, ChanPid) of
-        #{conn_mod := ConnMod} ->
+        #{client := #{conn_mod := ConnMod}} ->
             ConnMod:discard(ChanPid);
         undefined -> ok
     end;