From d4aa5ebf55ea0efeac72d57bcba91bb9f6d6ee6d Mon Sep 17 00:00:00 2001
From: Zaiming Shi <zmstone@gmail.com>
Date: Wed, 4 Nov 2020 13:41:29 +0100
Subject: [PATCH] fix(emqx): Fix dialyzer warnings

---
 src/emqx.erl | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/emqx.erl b/src/emqx.erl
index 2c6d444e7..4e4a62396 100644
--- a/src/emqx.erl
+++ b/src/emqx.erl
@@ -86,7 +86,7 @@ restart(ConfFile) ->
     reload_config(ConfFile),
     shutdown(),
     ok = application:stop(mnesia),
-    application:start(mnesia),
+    _ = application:start(mnesia),
     reboot().
 
 %% @doc Stop emqx application.
@@ -205,8 +205,8 @@ shutdown() ->
 
 shutdown(Reason) ->
     ?LOG(critical, "emqx shutdown for ~s", [Reason]),
-    emqx_alarm_handler:unload(),
-    emqx_plugins:unload(),
+    _ = emqx_alarm_handler:unload(),
+    _ = emqx_plugins:unload(),
     lists:foreach(fun application:stop/1, [emqx, ekka, cowboy, ranch, esockd, gproc]).
 
 reboot() ->