From ba897e51f9f27de998ba638c69d65c33b8578ce1 Mon Sep 17 00:00:00 2001
From: turtled <turtled@emqtt.io>
Date: Sat, 8 Dec 2018 10:26:50 +0800
Subject: [PATCH] Subscriber down clear emqx_suboption table

---
 src/emqx_broker.erl | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/emqx_broker.erl b/src/emqx_broker.erl
index 380e16c42..5f3e63059 100644
--- a/src/emqx_broker.erl
+++ b/src/emqx_broker.erl
@@ -272,7 +272,8 @@ subscriber_down(SubPid) ->
                       I -> true = ets:delete_object(?SUBSCRIBER, {Topic, {shared, I}}),
                            true = ets:delete_object(?SUBSCRIBER, {{shared, Topic, I}, SubPid}),
                            ok = cast(pick({Topic, I}), {unsubscribed, Topic, I})
-                  end;
+                  end,
+                  ets:delete(?SUBOPTION, Sub);
               [] -> ok
           end
       end, ets:lookup(?SUBSCRIPTION, SubPid)),