sctp: Enable sctp in all network namespaces

- Fix the sctp_af operations to work in all namespaces
- Enable sctp socket creation in all network namespaces.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 6 insertions, 6 deletions

diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index bbf15341eb2b..a18cda60e156 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -582,7 +582,7 @@ static int sctp_v6_available(union sctp_addr *addr, struct sctp_sock *sp)
         if (!(type & IPV6_ADDR_UNICAST))
                 return 0;
 
-        return ipv6_chk_addr(&init_net, in6, NULL, 0);
+        return ipv6_chk_addr(sock_net(&sp->inet.sk), in6, NULL, 0);
 }
 
 /* This function checks if the address is a valid address to be used for
@@ -859,14 +859,14 @@ static int sctp_inet6_bind_verify(struct sctp_sock *opt, union sctp_addr *addr)
                 struct net_device *dev;
 
                 if (type & IPV6_ADDR_LINKLOCAL) {
+                        struct net *net;
                         if (!addr->v6.sin6_scope_id)
                                 return 0;
+                        net = sock_net(&opt->inet.sk);
                         rcu_read_lock();
-                        dev = dev_get_by_index_rcu(&init_net,
-                                                   addr->v6.sin6_scope_id);
+                        dev = dev_get_by_index_rcu(net, addr->v6.sin6_scope_id);
                         if (!dev ||
-                            !ipv6_chk_addr(&init_net, &addr->v6.sin6_addr,
-                                           dev, 0)) {
+                            !ipv6_chk_addr(net, &addr->v6.sin6_addr, dev, 0)) {
                                 rcu_read_unlock();
                                 return 0;
                         }
@@ -899,7 +899,7 @@ static int sctp_inet6_send_verify(struct sctp_sock *opt, union sctp_addr *addr)
                         if (!addr->v6.sin6_scope_id)
                                 return 0;
                         rcu_read_lock();
-                        dev = dev_get_by_index_rcu(&init_net,
+                        dev = dev_get_by_index_rcu(sock_net(&opt->inet.sk),
                                                    addr->v6.sin6_scope_id);
                         rcu_read_unlock();
                         if (!dev)