From e48f10d2d65a531af8ff99cb0b7e47d7db1482e5 Mon Sep 17 00:00:00 2001
From: JianBo He <heeejianbo@gmail.com>
Date: Wed, 8 Dec 2021 11:33:11 +0800
Subject: [PATCH] chore(gw): ignore needless args

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

diff --git a/apps/emqx_gateway/src/emqx_gateway_api.erl b/apps/emqx_gateway/src/emqx_gateway_api.erl
index 34165d492..8f9cb99f7 100644
--- a/apps/emqx_gateway/src/emqx_gateway_api.erl
+++ b/apps/emqx_gateway/src/emqx_gateway_api.erl
@@ -126,10 +126,12 @@ gateway_insta(get, #{bindings := #{name := Name0}}) ->
         error : badarg ->
             return_http_error(400, "Bad gateway name")
     end;
-gateway_insta(put, #{body := GwConf,
+gateway_insta(put, #{body := GwConf0,
                      bindings := #{name := Name0}
                     }) ->
     with_gateway(Name0, fun(GwName, _) ->
+        %% XXX: Clear the unused fields
+        GwConf = maps:without([<<"name">>], GwConf0),
         case emqx_gateway_conf:update_gateway(GwName, GwConf) of
             {ok, Gateway} ->
                 {200, Gateway};