Silence warnings

deps/rabbitmq_mqtt/src/rabbit_mqtt_reader.erl

@@ -159,14 +159,11 @@ pstate(State = #state {}, PState = #proc_state{}) ->
 network_error(Reason,
               State = #state{ conn_name  = ConnStr,
                               proc_state = PState }) ->
-    log(info, "MQTT detected network error for ~p~n", [ConnStr]),
+    log(info, "MQTT detected network error for ~p: ~p~n", [ConnStr, Reason]),
     rabbit_mqtt_processor:send_will(PState),
     % todo: flush channel after publish
     stop({shutdown, conn_closed}, State).
 
-stop(Reason, State = #state{}) ->
-    {stop, Reason, close_connection(State)};
-
 stop(Reason, State = #state{ proc_state = PState }) ->
     % todo: maybe clean session
     ok = rabbit_mqtt_collector:unregister(

deps/rabbitmq_mqtt/src/rabbit_mqtt_sup.erl

@@ -26,7 +26,7 @@
 start_link(Listeners, []) ->
     {ok, SupPid} = supervisor:start_link({local, ?MODULE}, ?MODULE,
                                          [Listeners]),
-    {ok, Collector} =
+    {ok, _Collector} =
         supervisor2:start_child(
           SupPid,
           {collector, {rabbit_mqtt_collector, start_link, []},

deps/rabbitmq_mqtt/src/rabbit_mqtt_util.erl

@@ -48,7 +48,7 @@ env(Key) ->
         undefined -> undefined
     end.
 
-table_lookup(undefined, Key) ->
+table_lookup(undefined, _Key) ->
     undefined;
 table_lookup(Table, Key) ->
     rabbit_misc:table_lookup(Table, Key).