--- filefield.module	2009-07-03 13:53:07.000000000 -0700
+++ filefield-fixed.module	2009-08-17 19:29:03.000000000 -0700
@@ -180,7 +180,7 @@ function filefield_file_download($file) 
       if (isset($nodes[$content['nid']])) {
         continue; // Don't check the same node twice.
       }
-      if ($denied == FALSE && $node = node_load($content['nid']) && node_access('view', $node)) {
+      if ($denied == FALSE && ($node = node_load($content['nid'])) && !node_access('view', $node)) {
         // You don't have permission to view the node this file is attached to.
         $denied = TRUE;
       }