[SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iph
[safe/jmp/linux-2.6] / net / ipv4 / icmp.c
index ff124d4..4d70c21 100644 (file)
@@ -392,7 +392,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
        icmp_param->data.icmph.checksum = 0;
        icmp_out_count(icmp_param->data.icmph.type);
 
-       inet->tos = skb->nh.iph->tos;
+       inet->tos = ip_hdr(skb)->tos;
        daddr = ipc.addr = rt->rt_src;
        ipc.opt = NULL;
        if (icmp_param->replyopts.optlen) {
@@ -404,7 +404,7 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
                struct flowi fl = { .nl_u = { .ip4_u =
                                              { .daddr = daddr,
                                                .saddr = rt->rt_spec_dst,
-                                               .tos = RT_TOS(skb->nh.iph->tos) } },
+                                               .tos = RT_TOS(ip_hdr(skb)->tos) } },
                                    .proto = IPPROTO_ICMP };
                security_skb_classify_flow(skb, &fl);
                if (ip_route_output_key(&rt, &fl))
@@ -448,7 +448,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
         *      Check this, icmp_send is called from the most obscure devices
         *      sometimes.
         */
-       iph = skb_in->nh.iph;
+       iph = ip_hdr(skb_in);
 
        if ((u8 *)iph < skb_in->head || (u8 *)(iph + 1) > skb_in->tail)
                goto out;
@@ -676,7 +676,7 @@ static void icmp_unreach(struct sk_buff *skb)
                        printk(KERN_WARNING "%u.%u.%u.%u sent an invalid ICMP "
                                            "type %u, code %u "
                                            "error to a broadcast: %u.%u.%u.%u on %s\n",
-                              NIPQUAD(skb->nh.iph->saddr),
+                              NIPQUAD(ip_hdr(skb)->saddr),
                               icmph->type, icmph->code,
                               NIPQUAD(iph->daddr),
                               skb->dev->name);
@@ -751,7 +751,7 @@ static void icmp_redirect(struct sk_buff *skb)
                 */
        case ICMP_REDIR_HOST:
        case ICMP_REDIR_HOSTTOS:
-               ip_rt_redirect(skb->nh.iph->saddr, iph->daddr,
+               ip_rt_redirect(ip_hdr(skb)->saddr, iph->daddr,
                               skb->h.icmph->un.gateway,
                               iph->saddr, skb->dev);
                break;