unsigned int i, j, server_authlist_len = *(request->auth_flav_len);
/*
+ * Certain releases of Linux's mountd return an empty
+ * flavor list. To prevent behavioral regression with
+ * these servers (ie. rejecting mounts that used to
+ * succeed), revert to pre-2.6.32 behavior (no checking)
+ * if the returned flavor list is empty.
+ */
+ if (server_authlist_len == 0)
+ return 0;
+
+ /*
* We avoid sophisticated negotiating here, as there are
* plenty of cases where we can get it wrong, providing
* either too little or too much security.