From 84a5d0c3c11508123f4527bc988a02fe7ce34e26 Mon Sep 17 00:00:00 2001
From: zhongwencool <zhongwencool@gmail.com>
Date: Thu, 15 Jun 2023 16:56:47 +0800
Subject: [PATCH] fix: delete a default listener then recreate it, it's
 disabled

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

diff --git a/apps/emqx/src/emqx_listeners.erl b/apps/emqx/src/emqx_listeners.erl
index c290cc88d..1c21d1d2e 100644
--- a/apps/emqx/src/emqx_listeners.erl
+++ b/apps/emqx/src/emqx_listeners.erl
@@ -492,7 +492,9 @@ pre_config_update([?ROOT_KEY], RawConf, RawConf) ->
 pre_config_update([?ROOT_KEY], NewConf, _RawConf) ->
     {ok, convert_certs(NewConf)}.
 
-post_config_update([?ROOT_KEY, Type, Name], {create, _Request}, NewConf, undefined, _AppEnvs) ->
+post_config_update([?ROOT_KEY, Type, Name], {create, _Request}, NewConf, OldConf, _AppEnvs) when
+    OldConf =:= undefined orelse OldConf =:= ?TOMBSTONE_TYPE
+->
     create_listener(Type, Name, NewConf);
 post_config_update([?ROOT_KEY, Type, Name], {update, _Request}, NewConf, OldConf, _AppEnvs) ->
     update_listener(Type, Name, {OldConf, NewConf});