From 3f7261cb82cc8d7a49e5e0865860d380ffcd4136 Mon Sep 17 00:00:00 2001
From: Rudolph Gottesheim <r.gottesheim@midnight-design.at>
Date: Wed, 15 Jun 2016 16:13:11 +0200
Subject: [PATCH] Clearer condition in SessionManager

See https://github.com/magento/magento2/commit/d2a823ba0b1187120d2baf657a4d971994357e8e
---
 lib/internal/Magento/Framework/Session/SessionManager.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/internal/Magento/Framework/Session/SessionManager.php b/lib/internal/Magento/Framework/Session/SessionManager.php
index e8013b024f438..64dde8b68d41f 100644
--- a/lib/internal/Magento/Framework/Session/SessionManager.php
+++ b/lib/internal/Magento/Framework/Session/SessionManager.php
@@ -238,7 +238,7 @@ public function isSessionExists()
     public function getData($key = '', $clear = false)
     {
         $data = $this->storage->getData($key);
-        if ($clear && isset($data)) {
+        if ($clear && $data !== null) {
             $this->storage->unsetData($key);
         }
         return $data;