From 7f52067771a0fe8b9de7c1eec09d56bb5313c790 Mon Sep 17 00:00:00 2001
From: Nathan Glasl <nathan@silverstripe.com.au>
Date: Thu, 25 Feb 2016 13:37:45 +1100
Subject: [PATCH] The current controller is now only retrieved once.

---
 code/services/MisdirectionService.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/code/services/MisdirectionService.php b/code/services/MisdirectionService.php
index a07ae92..f8d35f6 100644
--- a/code/services/MisdirectionService.php
+++ b/code/services/MisdirectionService.php
@@ -76,8 +76,8 @@ public function getMapping($URL, $host = null) {
 
 		// Enforce any hostname restriction that may have been defined.
 
-		if(is_null($host) && Controller::curr()) {
-			$host = Controller::curr()->getRequest()->getHeader('Host');
+		if(is_null($host) && ($controller = Controller::curr())) {
+			$host = $controller->getRequest()->getHeader('Host');
 		}
 		$matches = $matches->where("(HostnameRestriction IS NULL) OR (HostnameRestriction = '" . Convert::raw2sql($host) . "')");
 		$regex = clone $matches;