From 6fb553e92cd62926134f4f77a3069fa4439835fe Mon Sep 17 00:00:00 2001
From: Vincent Petry <pvince81@owncloud.com>
Date: Wed, 21 Jan 2015 22:27:59 +0100
Subject: Do not call wrapStorage if storate with same name added twice

---
 lib/private/files/storage/storagefactory.php | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'lib/private/files/storage/storagefactory.php')

diff --git a/lib/private/files/storage/storagefactory.php b/lib/private/files/storage/storagefactory.php
index c9e8d422f9d..9c1c7325b76 100644
--- a/lib/private/files/storage/storagefactory.php
+++ b/lib/private/files/storage/storagefactory.php
@@ -23,9 +23,15 @@ class StorageFactory implements IStorageFactory {
 	 *
 	 * @param string $wrapperName
 	 * @param callable $callback
+	 * @return true if the wrapper was added, false if there was already a wrapper with this
+	 * name registered
 	 */
 	public function addStorageWrapper($wrapperName, $callback) {
+		if (isset($this->storageWrappers[$wrapperName])) {
+			return false;
+		}
 		$this->storageWrappers[$wrapperName] = $callback;
+		return true;
 	}
 
 	/**
-- 
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