From: Xin Long Date: Fri, 22 Jul 2016 09:38:51 +0000 (+0800) Subject: sctp: support ipv6 nonlocal bind X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9b97420228881e839b76c8a4506da3cb187bf004;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git sctp: support ipv6 nonlocal bind 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 Acked-by: Marcelo Ricardo Leitner Signed-off-by: David S. Miller --- diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index ae6f1a2178ba..660c4a4cac31 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