Merge pull request #10623 from owncloud/not-a-valid-resource-log-entries

Do not try to close the same resource multiple times

lib/private/files/view.php

@@ -670,7 +670,12 @@ class View {
 			$source = fopen($tmpFile, 'r');
 			if ($source) {
 				$this->file_put_contents($path, $source);
+				// $this->file_put_contents() might have already closed
+				// the resource, so we check it, before trying to close it
+				// to avoid messages in the error log.
+				if (is_resource($source)) {
 					fclose($source);
+				}
 				unlink($tmpFile);
 				return true;
 			} else {