From 36cb3200f3ef08161088f75746c300642ec5af2f Mon Sep 17 00:00:00 2001
From: Simon Delicata <s.delicata@alptis.fr>
Date: Wed, 18 Apr 2018 15:28:03 +0200
Subject: [PATCH] Avoid counter increase when receiving null message

---
 .../Messenger/Transport/Enhancers/MaximumCountReceiver.php      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Messenger/Transport/Enhancers/MaximumCountReceiver.php b/src/Symfony/Component/Messenger/Transport/Enhancers/MaximumCountReceiver.php
index 37fa2b649a293..6160885bf47bf 100644
--- a/src/Symfony/Component/Messenger/Transport/Enhancers/MaximumCountReceiver.php
+++ b/src/Symfony/Component/Messenger/Transport/Enhancers/MaximumCountReceiver.php
@@ -34,7 +34,7 @@ public function receive(callable $handler): void
         $this->decoratedReceiver->receive(function ($message) use ($handler, &$receivedMessages) {
             $handler($message);
 
-            if (++$receivedMessages >= $this->maximumNumberOfMessages) {
+            if (null !== $message && ++$receivedMessages >= $this->maximumNumberOfMessages) {
                 $this->stop();
             }
         });