X-Git-Url: https://git.heureux-cyclage.org/?a=blobdiff_plain;f=includes%2Flibs%2Ffilebackend%2FFSFileBackend.php;h=c1a796f75a8b5eee45ee574e648a582f5d21dfc3;hb=760569a21f8665237388acfad8ced09daef71e2d;hp=c05dc286c81e60c8896fe7054c6e18c841fc6d45;hpb=4334e1cc02b9749e92c514bd2aa46b347010f913;p=lhc%2Fweb%2Fwiklou.git

diff --git a/includes/libs/filebackend/FSFileBackend.php b/includes/libs/filebackend/FSFileBackend.php
index c05dc286c8..c1a796f75a 100644
--- a/includes/libs/filebackend/FSFileBackend.php
+++ b/includes/libs/filebackend/FSFileBackend.php
@@ -593,7 +593,7 @@ class FSFileBackend extends FileBackendStore {
 		} elseif ( !$hadError ) {
 			return false; // file does not exist
 		} else {
-			return null; // failure
+			return self::UNKNOWN; // failure
 		}
 	}
 
@@ -610,7 +610,7 @@ class FSFileBackend extends FileBackendStore {
 		$exists = is_dir( $dir );
 		$hadError = $this->untrapWarnings();
 
-		return $hadError ? null : $exists;
+		return $hadError ? self::UNKNOWN : $exists;
 	}
 
 	/**
@@ -632,7 +632,7 @@ class FSFileBackend extends FileBackendStore {
 		} elseif ( !is_readable( $dir ) ) {
 			$this->logger->warning( __METHOD__ . "() given directory is unreadable: '$dir'\n" );
 
-			return null; // bad permissions?
+			return self::UNKNOWN; // bad permissions?
 		}
 
 		return new FSFileBackendDirList( $dir, $params );
@@ -657,7 +657,7 @@ class FSFileBackend extends FileBackendStore {
 		} elseif ( !is_readable( $dir ) ) {
 			$this->logger->warning( __METHOD__ . "() given directory is unreadable: '$dir'\n" );
 
-			return null; // bad permissions?
+			return self::UNKNOWN; // bad permissions?
 		}
 
 		return new FSFileBackendFileList( $dir, $params );