From ea52400097caf540745eb293c9ad78722e8a5add Mon Sep 17 00:00:00 2001
From: Trent Steel <trentsteel@Trents-MBP.lan>
Date: Thu, 11 Feb 2016 21:12:43 +1000
Subject: [PATCH] remove unnecessary retrieval and setting of data

---
 .../Extension/Csrf/EventListener/CsrfValidationListener.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/Symfony/Component/Form/Extension/Csrf/EventListener/CsrfValidationListener.php b/src/Symfony/Component/Form/Extension/Csrf/EventListener/CsrfValidationListener.php
index a800fc48d9..91871a8286 100644
--- a/src/Symfony/Component/Form/Extension/Csrf/EventListener/CsrfValidationListener.php
+++ b/src/Symfony/Component/Form/Extension/Csrf/EventListener/CsrfValidationListener.php
@@ -84,9 +84,10 @@ class CsrfValidationListener implements EventSubscriberInterface
     public function preSubmit(FormEvent $event)
     {
         $form = $event->getForm();
-        $data = $event->getData();
 
         if ($form->isRoot() && $form->getConfig()->getOption('compound')) {
+            $data = $event->getData();
+
             if (!isset($data[$this->fieldName]) || !$this->csrfProvider->isCsrfTokenValid($this->intention, $data[$this->fieldName])) {
                 $errorMessage = $this->errorMessage;
 
@@ -99,10 +100,9 @@ class CsrfValidationListener implements EventSubscriberInterface
 
             if (is_array($data)) {
                 unset($data[$this->fieldName]);
+                $event->setData($data);
             }
         }
-
-        $event->setData($data);
     }
 
     /**