case SCTP_PARAM_IPV6_ADDRESS:
if (PF_INET6 != asoc->base.sk->sk_family)
break;
- /* Fall through. */
+ goto do_addr_param;
+
case SCTP_PARAM_IPV4_ADDRESS:
+ /* v4 addresses are not allowed on v6-only socket */
+ if (ipv6_only_sock(asoc->base.sk))
+ break;
+do_addr_param:
af = sctp_get_af_specific(param_type2af(param.p->type));
af->from_addr_param(&addr, param.addr, htons(asoc->peer.port), 0);
scope = sctp_scope(peer_addr);
union sctp_addr addr;
union sctp_addr_param *addr_param;
+ addr_param = (union sctp_addr_param *)
+ ((void *)asconf_param + sizeof(sctp_addip_param_t));
+
switch (addr_param->v4.param_hdr.type) {
case SCTP_PARAM_IPV6_ADDRESS:
if (!asoc->peer.ipv6_address)
return SCTP_ERROR_INV_PARAM;
}
- addr_param = (union sctp_addr_param *)
- ((void *)asconf_param + sizeof(sctp_addip_param_t));
-
af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type));
if (unlikely(!af))
return SCTP_ERROR_INV_PARAM;