Don't wrap failed fopen in checksum wrapper

owncloud · Mar 9, 2017 · d7091b5 · d7091b5
1 parent c826ea3
commit d7091b5
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/lib/private/Files/Storage/Wrapper/Checksum.php b/lib/private/Files/Storage/Wrapper/Checksum.php
@@ -55,6 +55,11 @@ class Checksum extends Wrapper {
 	 */
 	public function fopen($path, $mode) {
 		$stream = $this->getWrapperStorage()->fopen($path, $mode);
+		if (!is_resource($stream)) {
+			// don't wrap on error
+			return $stream;
+		}
+
 		$requirement = $this->getChecksumRequirement($path, $mode);
 
 		if ($requirement === self::PATH_NEW_OR_UPDATED) {
@@ -163,4 +168,4 @@ public function getMetaData($path) {
 
 		return $parentMetaData;
 	}
-}
+}