X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_ipv4.c;h=5a1ca2698c885775914f05fe17ae45d485cbddd2;hb=adf30907d63893e4208dfe3f5c88ae12bc2f25d5;hp=f6b962f56ab425f5bb3480e8433c888e7169a861;hpb=86911732d3996a9da07914b280621450111bb6da;p=safe%2Fjmp%2Flinux-2.6

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index f6b962f..5a1ca26 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -546,7 +546,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
 	if (th->rst)
 		return;
 
-	if (skb->rtable->rt_type != RTN_LOCAL)
+	if (skb_rtable(skb)->rt_type != RTN_LOCAL)
 		return;
 
 	/* Swap the send and the receive. */
@@ -590,7 +590,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
 	arg.csumoffset = offsetof(struct tcphdr, check) / 2;
 	arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0;
 
-	net = dev_net(skb->dst->dev);
+	net = dev_net(skb_dst(skb)->dev);
 	ip_send_reply(net->ipv4.tcp_sock, skb,
 		      &arg, arg.iov[0].iov_len);
 
@@ -617,7 +617,7 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
 			];
 	} rep;
 	struct ip_reply_arg arg;
-	struct net *net = dev_net(skb->dst->dev);
+	struct net *net = dev_net(skb_dst(skb)->dev);
 
 	memset(&rep.th, 0, sizeof(struct tcphdr));
 	memset(&arg, 0, sizeof(arg));
@@ -1185,7 +1185,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 #endif
 
 	/* Never answer to SYNs send to broadcast or multicast */
-	if (skb->rtable->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
+	if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
 		goto drop;
 
 	/* TW buckets are converted to open requests without
@@ -1226,27 +1226,19 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 	if (want_cookie && !tmp_opt.saw_tstamp)
 		tcp_clear_options(&tmp_opt);
 
-	if (tmp_opt.saw_tstamp && !tmp_opt.rcv_tsval) {
-		/* Some OSes (unknown ones, but I see them on web server, which
-		 * contains information interesting only for windows'
-		 * users) do not send their stamp in SYN. It is easy case.
-		 * We simply do not advertise TS support.
-		 */
-		tmp_opt.saw_tstamp = 0;
-		tmp_opt.tstamp_ok  = 0;
-	}
 	tmp_opt.tstamp_ok = tmp_opt.saw_tstamp;
 
 	tcp_openreq_init(req, &tmp_opt, skb);
 
-	if (security_inet_conn_request(sk, skb, req))
-		goto drop_and_free;
-
 	ireq = inet_rsk(req);
 	ireq->loc_addr = daddr;
 	ireq->rmt_addr = saddr;
 	ireq->no_srccheck = inet_sk(sk)->transparent;
 	ireq->opt = tcp_v4_save_options(sk, skb);
+
+	if (security_inet_conn_request(sk, skb, req))
+		goto drop_and_free;
+
 	if (!want_cookie)
 		TCP_ECN_create_request(req, tcp_hdr(skb));
 
@@ -1601,7 +1593,7 @@ process:
 #endif
 		{
 			if (!tcp_prequeue(sk, skb))
-			ret = tcp_v4_do_rcv(sk, skb);
+				ret = tcp_v4_do_rcv(sk, skb);
 		}
 	} else
 		sk_add_backlog(sk, skb);
@@ -2351,7 +2343,7 @@ void tcp4_proc_exit(void)
 
 struct sk_buff **tcp4_gro_receive(struct sk_buff **head, struct sk_buff *skb)
 {
-	struct iphdr *iph = ip_hdr(skb);
+	struct iphdr *iph = skb_gro_network_header(skb);
 
 	switch (skb->ip_summed) {
 	case CHECKSUM_COMPLETE:
@@ -2443,7 +2435,7 @@ static struct pernet_operations __net_initdata tcp_sk_ops = {
 void __init tcp_v4_init(void)
 {
 	inet_hashinfo_init(&tcp_hashinfo);
-	if (register_pernet_device(&tcp_sk_ops))
+	if (register_pernet_subsys(&tcp_sk_ops))
 		panic("Failed to create the TCP control socket.\n");
 }