1 files changed, 21 insertions, 23 deletions

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 233bdf259965..9e85c0416109 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -900,6 +900,7 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
                 inet_csk(newsk)->icsk_ext_hdr_len = newinet->opt->optlen;
         newinet->id = newtp->write_seq ^ jiffies;
 
+        tcp_mtup_init(newsk);
         tcp_sync_mss(newsk, dst_mtu(dst));
         newtp->advmss = dst_metric(dst, RTAX_ADVMSS);
         tcp_initialize_rcv_mss(newsk);
@@ -1216,17 +1217,21 @@ int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw)
 }
 
 struct inet_connection_sock_af_ops ipv4_specific = {
-        .queue_xmit     =       ip_queue_xmit,
-        .send_check     =       tcp_v4_send_check,
-        .rebuild_header =       inet_sk_rebuild_header,
-        .conn_request   =       tcp_v4_conn_request,
-        .syn_recv_sock  =       tcp_v4_syn_recv_sock,
-        .remember_stamp =       tcp_v4_remember_stamp,
-        .net_header_len =       sizeof(struct iphdr),
-        .setsockopt     =       ip_setsockopt,
-        .getsockopt     =       ip_getsockopt,
-        .addr2sockaddr  =       inet_csk_addr2sockaddr,
-        .sockaddr_len   =       sizeof(struct sockaddr_in),
+        .queue_xmit        = ip_queue_xmit,
+        .send_check        = tcp_v4_send_check,
+        .rebuild_header    = inet_sk_rebuild_header,
+        .conn_request      = tcp_v4_conn_request,
+        .syn_recv_sock     = tcp_v4_syn_recv_sock,
+        .remember_stamp    = tcp_v4_remember_stamp,
+        .net_header_len    = sizeof(struct iphdr),
+        .setsockopt        = ip_setsockopt,
+        .getsockopt        = ip_getsockopt,
+        .addr2sockaddr     = inet_csk_addr2sockaddr,
+        .sockaddr_len      = sizeof(struct sockaddr_in),
+#ifdef CONFIG_COMPAT
+        .compat_setsockopt = compat_ip_setsockopt,
+        .compat_getsockopt = compat_ip_getsockopt,
+#endif
 };
 
 /* NOTE: A lot of things set to zero explicitly by call to
@@ -1825,23 +1830,16 @@ struct proto tcp_prot = {
         .obj_size               = sizeof(struct tcp_sock),
         .twsk_prot              = &tcp_timewait_sock_ops,
         .rsk_prot               = &tcp_request_sock_ops,
+#ifdef CONFIG_COMPAT
+        .compat_setsockopt      = compat_tcp_setsockopt,
+        .compat_getsockopt      = compat_tcp_getsockopt,
+#endif
 };
 
-
-
 void __init tcp_v4_init(struct net_proto_family *ops)
 {
-        int err = sock_create_kern(PF_INET, SOCK_RAW, IPPROTO_TCP, &tcp_socket);
-        if (err < 0)
+        if (inet_csk_ctl_sock_create(&tcp_socket, PF_INET, SOCK_RAW, IPPROTO_TCP) < 0)
                 panic("Failed to create the TCP control socket.\n");
-        tcp_socket->sk->sk_allocation   = GFP_ATOMIC;
-        inet_sk(tcp_socket->sk)->uc_ttl = -1;
-
-        /* Unhash it so that IP input processing does not even
-         * see it, we do not wish this socket to see incoming
-         * packets.
-         */
-        tcp_socket->sk->sk_prot->unhash(tcp_socket->sk);
 }
 
 EXPORT_SYMBOL(ipv4_specific);