From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xin Long Subject: [PATCH net-next] sctp: support ipv6 nonlocal bind Date: Fri, 22 Jul 2016 17:38:51 +0800 Message-ID: Cc: Marcelo Ricardo Leitner , Vlad Yasevich , daniel@iogearbox.net, davem@davemloft.net To: network dev , linux-sctp@vger.kernel.org Return-path: Received: from mail-pa0-f66.google.com ([209.85.220.66]:33989 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753770AbcGVJi5 (ORCPT ); Fri, 22 Jul 2016 05:38:57 -0400 Sender: netdev-owner@vger.kernel.org List-ID: This patch makes sctp support ipv6 nonlocal bind by adding sp->inet.freebind and net->ipv6.sysctl.ip_nonlocal_bind check in sctp_v6_available as what sctp did to support ipv4 nonlocal bind (commit cdac4e077489). Reported-by: Shijoe George Signed-off-by: Xin Long --- net/sctp/ipv6.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index ae6f1a2..660c4a4 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -560,6 +560,7 @@ static int sctp_v6_is_any(const union sctp_addr *addr) static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp) { int type; + struct net *net = sock_net(&sp->inet.sk); const struct in6_addr *in6 = (const struct in6_addr *)&addr->v6.sin6_addr; type = ipv6_addr_type(in6); @@ -574,7 +575,8 @@ static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp) if (!(type & IPV6_ADDR_UNICAST)) return 0; - return ipv6_chk_addr(sock_net(&sp->inet.sk), in6, NULL, 0); + return sp->inet.freebind || net->ipv6.sysctl.ip_nonlocal_bind || + ipv6_chk_addr(net, in6, NULL, 0); } /* This function checks if the address is a valid address to be used for -- 2.1.0