From 85f8ba10ce9ad2c87dc212a9c1aba8db537cc07c Mon Sep 17 00:00:00 2001
From: Zaiming Shi <zmstone@gmail.com>
Date: Fri, 6 Aug 2021 08:21:06 +0200
Subject: [PATCH] fix(emqx_machine_signal_handler): ignore unknown info

---
 apps/emqx_machine/src/emqx_machine_signal_handler.erl | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/apps/emqx_machine/src/emqx_machine_signal_handler.erl b/apps/emqx_machine/src/emqx_machine_signal_handler.erl
index c75261f51..d8cc545d7 100644
--- a/apps/emqx_machine/src/emqx_machine_signal_handler.erl
+++ b/apps/emqx_machine/src/emqx_machine_signal_handler.erl
@@ -42,10 +42,12 @@ handle_event(Event, State) ->
     %% delegate other events back to erl_signal_handler
     %% erl_signal_handler does not make use of the State
     %% so we can pass whatever from here
-    erl_signal_handler:handle_event(Event, State),
+    _ = erl_signal_handler:handle_event(Event, State),
     {ok, State}.
 
 handle_info(stop, State) ->
+    {ok, State};
+handle_info(_Other, State) ->
     {ok, State}.
 
 handle_call(_Request, State) ->