From c61a64fb82249ee55eaaeddd99533d3df470d8b6 Mon Sep 17 00:00:00 2001
From: Nathan Glasl <nathan@symbiote.com.au>
Date: Tue, 12 Feb 2019 10:03:03 +1100
Subject: [PATCH] [FIX] The validation now checks for empty vanity mappings.

---
 README.md                                        | 2 +-
 src/extensions/SiteTreeMisdirectionExtension.php | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 76098af..0bd0567 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # [misdirection](https://packagist.org/packages/nglasl/silverstripe-misdirection)
 
-_The current release is **3.1.0**_
+_The current release is **3.1.1**_
 
 > This module allows both simple and regular expression link redirections based on customisable mappings, either hooking into a page not found or replacing the default automated URL handling.
 
diff --git a/src/extensions/SiteTreeMisdirectionExtension.php b/src/extensions/SiteTreeMisdirectionExtension.php
index 592f52a..0ea127f 100644
--- a/src/extensions/SiteTreeMisdirectionExtension.php
+++ b/src/extensions/SiteTreeMisdirectionExtension.php
@@ -55,6 +55,9 @@ public function validate(ValidationResult $result) {
 		// Retrieve the vanity mapping URL, where this is only possible using the POST variable.
 
 		$vanityURL = (!Controller::has_curr() || is_null($controller = Controller::curr()) || is_null($URL = $controller->getRequest()->postVar('VanityURL'))) ? $this->owner->VanityMapping()->MappedLink : $URL;
+		if(!$vanityURL) {
+			return $result;
+		}
 
 		// Determine whether another vanity mapping already exists.