From 6280c8c9f093f52e55ca84080f2fb0d792f978eb Mon Sep 17 00:00:00 2001
From: JianBo He <heeejianbo@gmail.com>
Date: Wed, 29 Dec 2021 14:02:45 +0800
Subject: [PATCH] chore: fix dialyzer warnings

---
 apps/emqx_gateway/src/emqx_gateway_utils.erl    | 2 +-
 apps/emqx_gateway/src/lwm2m/emqx_lwm2m_impl.erl | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/apps/emqx_gateway/src/emqx_gateway_utils.erl b/apps/emqx_gateway/src/emqx_gateway_utils.erl
index 3fd3045cb..95720ff13 100644
--- a/apps/emqx_gateway/src/emqx_gateway_utils.erl
+++ b/apps/emqx_gateway/src/emqx_gateway_utils.erl
@@ -144,7 +144,7 @@ start_listeners([L | Ls], GwName, Ctx, ModCfg, Acc) ->
                      Ctx :: emqx_gateway_ctx:context(),
                      Listener :: tuple(),
                      ModCfg :: map())
-    -> {ok, pid()}
+    -> {ok, {ListenerId :: atom(), esockd:listen_on(), pid()}}
      | {error, term()}.
 start_listener(GwName, Ctx,
                {Type, LisName, ListenOn, SocketOpts, Cfg}, ModCfg) ->
diff --git a/apps/emqx_gateway/src/lwm2m/emqx_lwm2m_impl.erl b/apps/emqx_gateway/src/lwm2m/emqx_lwm2m_impl.erl
index edf035240..47ed722b1 100644
--- a/apps/emqx_gateway/src/lwm2m/emqx_lwm2m_impl.erl
+++ b/apps/emqx_gateway/src/lwm2m/emqx_lwm2m_impl.erl
@@ -62,7 +62,7 @@ on_gateway_load(_Gateway = #{ name := GwName,
                 {ok, ListenerPids} ->
                     {ok, ListenerPids, #{ctx => Ctx, registry => RegPid}};
                 {error, {Reason, Listener}} ->
-                    emqx_lwm2m_xml_object_db:stop(),
+                    _ = emqx_lwm2m_xml_object_db:stop(),
                     throw({badconf, #{ key => listeners
                                      , vallue => Listener
                                      , reason => Reason