[TCP] net/ipv4/tcp_input.c: trivial annotations
Al Viro [Thu, 28 Sep 2006 01:35:09 +0000 (18:35 -0700)]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv4/tcp_input.c

index 46984ff..85c9663 100644 (file)
@@ -2629,7 +2629,7 @@ 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((__u16 *)ptr));
+                                               u16 in_mss = ntohs(get_unaligned((__be16 *)ptr));
                                                if (in_mss) {
                                                        if (opt_rx->user_mss && opt_rx->user_mss < in_mss)
                                                                in_mss = opt_rx->user_mss;
@@ -2657,8 +2657,8 @@ void tcp_parse_options(struct sk_buff *skb, struct tcp_options_received *opt_rx,
                                                if ((estab && opt_rx->tstamp_ok) ||
                                                    (!estab && sysctl_tcp_timestamps)) {
                                                        opt_rx->saw_tstamp = 1;
-                                                       opt_rx->rcv_tsval = ntohl(get_unaligned((__u32 *)ptr));
-                                                       opt_rx->rcv_tsecr = ntohl(get_unaligned((__u32 *)(ptr+4)));
+                                                       opt_rx->rcv_tsval = ntohl(get_unaligned((__be32 *)ptr));
+                                                       opt_rx->rcv_tsecr = ntohl(get_unaligned((__be32 *)(ptr+4)));
                                                }
                                        }
                                        break;
@@ -2695,8 +2695,8 @@ static int tcp_fast_parse_options(struct sk_buff *skb, struct tcphdr *th,
                return 0;
        } else if (tp->rx_opt.tstamp_ok &&
                   th->doff == (sizeof(struct tcphdr)>>2)+(TCPOLEN_TSTAMP_ALIGNED>>2)) {
-               __u32 *ptr = (__u32 *)(th + 1);
-               if (*ptr == ntohl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
+               __be32 *ptr = (__be32 *)(th + 1);
+               if (*ptr == htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
                                  | (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP)) {
                        tp->rx_opt.saw_tstamp = 1;
                        ++ptr;
@@ -3911,10 +3911,10 @@ int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
 
                /* Check timestamp */
                if (tcp_header_len == sizeof(struct tcphdr) + TCPOLEN_TSTAMP_ALIGNED) {
-                       __u32 *ptr = (__u32 *)(th + 1);
+                       __be32 *ptr = (__be32 *)(th + 1);
 
                        /* No? Slow path! */
-                       if (*ptr != ntohl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
+                       if (*ptr != htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16)
                                          | (TCPOPT_TIMESTAMP << 8) | TCPOLEN_TIMESTAMP))
                                goto slow_path;