From: Neil Horman <nhorman@redhat.com>
Date: Thu, 9 Apr 2009 10:22:43 -0400
Subject: [net] sctp: allow sctp_getladdrs to work for IPv6
Message-id: 20090409142243.GB3145@shamino.rdu.redhat.com
O-Subject: Re: [RHEL 5.4 PATCH] sctp: allow sctp_getladdrs to work for IPv6 ( bz 492633)
Bugzilla: 492633
RH-Acked-by: Jiri Pirko <jpirko@redhat.com>
RH-Acked-by: Rik van Riel <riel@redhat.com>
RH-Acked-by: David Miller <davem@redhat.com>

> >Hey all-
> >	During accept/peeloff we try to copy the list of bound addresses from
> >the original endpoint to the new one. However, we forgot to set the flag
> >to say that IPv6 is allowed on the new endpoint.
> >
> >Backport from upstream commit eb5fa39f5ef490c72901b547ac5e7211efd47d56
> >
> >Verified by SEG and customer.
> >
> >Neil
> >
> >

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index cdddff5..a60f7d8 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5695,6 +5695,8 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
 	/* Copy the bind_addr list from the original endpoint to the new
 	 * endpoint so that we can handle restarts properly
 	 */
+	if (PF_INET6 == assoc->base.sk->sk_family)
+		flags = SCTP_ADDR6_ALLOWED;
 	if (assoc->peer.ipv4_address)
 		flags |= SCTP_ADDR4_PEERSUPP;
 	if (assoc->peer.ipv6_address)