From fd62547a691a7c6945281538317316b4f3dc55c2 Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Tue, 28 Jul 2015 07:50:37 +0200
Subject: [PATCH] dskspace() checks if directory could be opened

---
 inc/inc.Utils.php | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/inc/inc.Utils.php b/inc/inc.Utils.php
index aef0352bf..8342681f7 100644
--- a/inc/inc.Utils.php
+++ b/inc/inc.Utils.php
@@ -296,11 +296,12 @@ function dskspace($dir) { /* {{{ */
 	if(is_file($dir)) {
 		$space = filesize($dir);
 	} elseif (is_dir($dir)) {
-		$dh = opendir($dir);
-		while (($file = readdir($dh)) !== false)
-			if ($file != "." and $file != "..")
-				$space += dskspace($dir."/".$file);
-		closedir($dh);
+		if($dh = opendir($dir)) {
+			while (($file = readdir($dh)) !== false)
+				if ($file != "." and $file != "..")
+					$space += dskspace($dir."/".$file);
+			closedir($dh);
+		}
 	}
 	return $space;
 } /* }}} */