sctp: Inherit all socket options from parent correctly.

[~andy/linux] / net / sctp / ipv6.c

diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 786227566696354bce2ef9e6d902b96875fe2ea6..a63de3f7f1859ccf839893f69b4b7db4ee84b431 100644 (file)
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -627,9 +627,7 @@ static sctp_scope_t sctp_v6_scope(union sctp_addr *addr)
 static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
                                             struct sctp_association *asoc)
 {
-       struct inet_sock *inet = inet_sk(sk);
        struct sock *newsk;
-       struct inet_sock *newinet;
        struct ipv6_pinfo *newnp, *np = inet6_sk(sk);
        struct sctp6_sock *newsctp6sk;
 
@@ -639,17 +637,7 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
 
        sock_init_data(NULL, newsk);
 
-       newsk->sk_type = SOCK_STREAM;
-
-       newsk->sk_prot = sk->sk_prot;
-       newsk->sk_no_check = sk->sk_no_check;
-       newsk->sk_reuse = sk->sk_reuse;
-
-       newsk->sk_destruct = inet_sock_destruct;
-       newsk->sk_family = PF_INET6;
-       newsk->sk_protocol = IPPROTO_SCTP;
-       newsk->sk_backlog_rcv = sk->sk_prot->backlog_rcv;
-       newsk->sk_shutdown = sk->sk_shutdown;
+       sctp_copy_sock(newsk, sk, asoc);
        sock_reset_flag(sk, SOCK_ZAPPED);
 
        newsctp6sk = (struct sctp6_sock *)newsk;
@@ -657,7 +645,6 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
 
        sctp_sk(newsk)->v4mapped = sctp_sk(sk)->v4mapped;
 
-       newinet = inet_sk(newsk);
        newnp = inet6_sk(newsk);
 
        memcpy(newnp, np, sizeof(struct ipv6_pinfo));
@@ -665,26 +652,8 @@ static struct sock *sctp_v6_create_accept_sk(struct sock *sk,
        /* Initialize sk's sport, dport, rcv_saddr and daddr for getsockname()
         * and getpeername().
         */
-       newinet->sport = inet->sport;
-       newnp->saddr = np->saddr;
-       newnp->rcv_saddr = np->rcv_saddr;
-       newinet->dport = htons(asoc->peer.port);
        sctp_v6_to_sk_daddr(&asoc->peer.primary_addr, newsk);
 
-       /* Init the ipv4 part of the socket since we can have sockets
-        * using v6 API for ipv4.
-        */
-       newinet->uc_ttl = -1;
-       newinet->mc_loop = 1;
-       newinet->mc_ttl = 1;
-       newinet->mc_index = 0;
-       newinet->mc_list = NULL;
-
-       if (ipv4_config.no_pmtu_disc)
-               newinet->pmtudisc = IP_PMTUDISC_DONT;
-       else
-               newinet->pmtudisc = IP_PMTUDISC_WANT;
-
        sk_refcnt_debug_inc(newsk);
 
        if (newsk->sk_prot->init(newsk)) {