Index: attachment.py
===================================================================
--- attachment.py	(revision 5981)
+++ attachment.py	(working copy)
@@ -708,3 +708,5 @@
                     self.env.log.debug('LegacyAttachmentPolicy denied %s '
                                        'access to %s. User needs %s' %
                                        (username, context, legacy_action))
+                else:
+                    return decision