Index: files/patch-sm-mod_roster.c
===================================================================
--- files/patch-sm-mod_roster.c	(revision 0)
+++ files/patch-sm-mod_roster.c	(working copy)
@@ -0,0 +1,11 @@
+--- sm/mod_roster.c.orig	2012-02-12 22:36:18.000000000 +0100
++++ sm/mod_roster.c	2013-06-13 23:42:35.669583304 +0200
+@@ -460,7 +460,7 @@
+     log_debug(ZONE, "added %s to roster (to %d from %d ask %d name %s ngroups %d)", jid_full(item->jid), item->to, item->from, item->ask, item->name, item->ngroups);
+ 
+     if (sm_storage_rate_limit(sess->user->sm, jid_user(sess->user->jid)))
+-        return -stanza_err_RESOURCE_CONSTRAINT;
++        return;
+ 
+     /* save changes */
+     _roster_save_item(sess->user, item);