? sites/default/files
? sites/default/private
? sites/default/settings.php
Index: modules/file/file.field.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/file/file.field.inc,v
retrieving revision 1.10
diff -u -p -r1.10 file.field.inc
--- modules/file/file.field.inc	11 Nov 2009 08:32:35 -0000	1.10
+++ modules/file/file.field.inc	29 Nov 2009 12:21:33 -0000
@@ -256,7 +256,19 @@ function file_field_update($obj_type, $o
   // Check for files that have been removed from the object.
 
   // On new revisions, old files are always maintained in the previous revision.
-  if ($object->is_new || (isset($object->revision) && $object->revision)) {
+  if (isset($object->revision) && $object->revision) {
+    return;
+  }
+
+  // On new objects, make sure to set the status of the file to '1' so it is
+  // not garbage collected as a temporary file.
+  if ($object->is_new) {
+    // Set permanent status on files.
+    foreach ($items as $delta => $item) {
+      $file = file_load($item['fid']);
+      $file->status = $item['status'] = 1;
+      file_save($file);
+    }
     return;
   }