From 25ec7dd5335e71bc7a72102bc9c5378b6686ee0e Mon Sep 17 00:00:00 2001
From: Matteo Collina <hello@matteocollina.com>
Date: Mon, 7 Aug 2017 09:55:23 +0200
Subject: [PATCH] Revert "parallelize topic sub/unsub handles"

This reverts commit e5d9c8af59c8689893de77acd077738132f021a3.
---
 lib/handlers/subscribe.js   | 2 +-
 lib/handlers/unsubscribe.js | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/handlers/subscribe.js b/lib/handlers/subscribe.js
index e0848805..86d24b5c 100644
--- a/lib/handlers/subscribe.js
+++ b/lib/handlers/subscribe.js
@@ -23,7 +23,7 @@ function handleSubscribe (client, packet, done) {
   var subs = packet.subscriptions
   var granted = []
 
-  broker._parallel(
+  broker._series(
     new SubscribeState(client, packet, done, granted),
     doSubscribe,
     subs,
diff --git a/lib/handlers/unsubscribe.js b/lib/handlers/unsubscribe.js
index 8b4700a8..620b5256 100644
--- a/lib/handlers/unsubscribe.js
+++ b/lib/handlers/unsubscribe.js
@@ -37,7 +37,7 @@ function handleUnsubscribe (client, packet, done) {
 
 function actualUnsubscribe (client, packet, done) {
   var broker = client.broker
-  broker._parallel(
+  broker._series(
     new UnsubscribeState(client, packet, done, null),
     doUnsubscribe,
     packet.unsubscriptions,