From d4fda00dd993bbc71b9db73139d66916da68b2fe Mon Sep 17 00:00:00 2001
From: im-mi <im.mi.mail.mi@gmail.com>
Date: Sun, 25 Sep 2016 14:24:20 -0400
Subject: [PATCH] Check for existence of POST var tag_edit__owner before using
 it

---
 ext/tag_edit/main.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ext/tag_edit/main.php b/ext/tag_edit/main.php
index 508e18dc..2f270fd0 100644
--- a/ext/tag_edit/main.php
+++ b/ext/tag_edit/main.php
@@ -214,7 +214,7 @@ class TagEdit extends Extension {
 
 	public function onImageInfoSet(ImageInfoSetEvent $event) {
 		global $user;
-		if($user->can("edit_image_owner")) {
+		if($user->can("edit_image_owner") && isset($_POST['tag_edit__owner'])) {
 			$owner = User::by_name($_POST['tag_edit__owner']);
 			if ($owner instanceof User) {
 				send_event(new OwnerSetEvent($event->image, $owner));