From 2aea426faace17abb2afc88d6fca36d5c1ed6cb1 Mon Sep 17 00:00:00 2001
From: Konrad Chorosinski <konrad@prettycode.de>
Date: Thu, 15 Dec 2016 15:17:19 +0100
Subject: [PATCH] Fix statement in sanitizeFileName

---
 Classes/Driver/FTPDriver.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Classes/Driver/FTPDriver.php b/Classes/Driver/FTPDriver.php
index 0092134..0b8b6d6 100644
--- a/Classes/Driver/FTPDriver.php
+++ b/Classes/Driver/FTPDriver.php
@@ -1035,7 +1035,7 @@ public function sanitizeFileName($fileName, $charset = '') {
 		}
 		// Strip trailing dots and return
 		$cleanFileName = preg_replace('/\\.*$/', '', $cleanFileName);
-		if (!$cleanFileName) {
+		if ($cleanFileName === false) {
 			throw new \TYPO3\CMS\Core\Resource\Exception\InvalidFileNameException(
 				'File name ' . $cleanFileName . ' is invalid.',
 				1320288991