net: use get/put_unaligned_* helpers

[net-next-2.6.git] / net / ipv4 / tcp_input.c

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index ac9b8482f702eae07f6f66b935b36f986354d91f..eda4f4a233f36e940fe81cf83188dcbc2817e0fa 100644 (file)
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1172,8 +1172,8 @@ static int tcp_check_dsack(struct tcp_sock *tp, struct sk_buff *ack_skb,
                           struct tcp_sack_block_wire *sp, int num_sacks,
                           u32 prior_snd_una)
 {
-       u32 start_seq_0 = ntohl(get_unaligned(&sp[0].start_seq));
-       u32 end_seq_0 = ntohl(get_unaligned(&sp[0].end_seq));
+       u32 start_seq_0 = get_unaligned_be32(&sp[0].start_seq);
+       u32 end_seq_0 = get_unaligned_be32(&sp[0].end_seq);
        int dup_sack = 0;
 
        if (before(start_seq_0, TCP_SKB_CB(ack_skb)->ack_seq)) {
@@ -1181,8 +1181,8 @@ static int tcp_check_dsack(struct tcp_sock *tp, struct sk_buff *ack_skb,
                tcp_dsack_seen(tp);
                NET_INC_STATS_BH(LINUX_MIB_TCPDSACKRECV);
        } else if (num_sacks > 1) {
-               u32 end_seq_1 = ntohl(get_unaligned(&sp[1].end_seq));
-               u32 start_seq_1 = ntohl(get_unaligned(&sp[1].start_seq));
+               u32 end_seq_1 = get_unaligned_be32(&sp[1].end_seq);
+               u32 start_seq_1 = get_unaligned_be32(&sp[1].start_seq);
 
                if (!after(end_seq_0, end_seq_1) &&
                    !before(start_seq_0, start_seq_1)) {
@@ -1453,8 +1453,8 @@ tcp_sacktag_write_queue(struct sock *sk, struct sk_buff *ack_skb,
        for (i = 0; i < num_sacks; i++) {
                int dup_sack = !i && found_dup_sack;
 
-               sp[used_sacks].start_seq = ntohl(get_unaligned(&sp_wire[i].start_seq));
-               sp[used_sacks].end_seq = ntohl(get_unaligned(&sp_wire[i].end_seq));
+               sp[used_sacks].start_seq = get_unaligned_be32(&sp_wire[i].start_seq);
+               sp[used_sacks].end_seq = get_unaligned_be32(&sp_wire[i].end_seq);
 
                if (!tcp_is_sackblock_valid(tp, dup_sack,
                                            sp[used_sacks].start_seq,
@@ -3340,7 +3340,7 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
                        switch (opcode) {
                        case TCPOPT_MSS:
                                if (opsize == TCPOLEN_MSS && th->syn && !estab) {
-                                       u16 in_mss = ntohs(get_unaligned((__be16 *)ptr));
+                                       u16 in_mss = get_unaligned_be16(ptr);
                                        if (in_mss) {
                                                if (opt_rx->user_mss &&
                                                    opt_rx->user_mss < in_mss)
@@ -3369,8 +3369,8 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
                                    ((estab && opt_rx->tstamp_ok) ||
                                     (!estab && sysctl_tcp_timestamps))) {
                                        opt_rx->saw_tstamp = 1;
-                                       opt_rx->rcv_tsval = ntohl(get_unaligned((__be32 *)ptr));
-                                       opt_rx->rcv_tsecr = ntohl(get_unaligned((__be32 *)(ptr+4)));
+                                       opt_rx->rcv_tsval = get_unaligned_be32(ptr);
+                                       opt_rx->rcv_tsecr = get_unaligned_be32(ptr + 4);
                                }
                                break;
                        case TCPOPT_SACK_PERM:
@@ -4925,8 +4925,7 @@ step5:
        tcp_data_snd_check(sk);
        tcp_ack_snd_check(sk);
 
-       if (tcp_defer_accept_check(sk))
-               return -1;
+       tcp_defer_accept_check(sk);
        return 0;
 
 csum_error: