[ICMP6]: Introduce icmp6_hdr()

[linux-2.6] / net / ipv6 / icmp.c

diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 3a01effda6955ba3bb8b86134dc93c37427e9bcf..d3edc3cf1ce93bf44870681f202a2b9263ed1ff9 100644 (file)
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -222,7 +222,7 @@ static int icmpv6_push_pending_frames(struct sock *sk, struct flowi *fl, struct
        if ((skb = skb_peek(&sk->sk_write_queue)) == NULL)
                goto out;
 
-       icmp6h = (struct icmp6hdr*) skb->h.raw;
+       icmp6h = icmp6_hdr(skb);
        memcpy(icmp6h, thdr, sizeof(struct icmp6hdr));
        icmp6h->icmp6_cksum = 0;
 
@@ -476,7 +476,7 @@ static void icmpv6_echo_reply(struct sk_buff *skb)
        struct inet6_dev *idev;
        struct ipv6_pinfo *np;
        struct in6_addr *saddr = NULL;
-       struct icmp6hdr *icmph = (struct icmp6hdr *) skb->h.raw;
+       struct icmp6hdr *icmph = icmp6_hdr(skb);
        struct icmp6hdr tmp_hdr;
        struct flowi fl;
        struct icmpv6_msg msg;
@@ -651,7 +651,7 @@ static int icmpv6_rcv(struct sk_buff **pskb)
        if (!pskb_pull(skb, sizeof(struct icmp6hdr)))
                goto discard_it;
 
-       hdr = (struct icmp6hdr *) skb->h.raw;
+       hdr = icmp6_hdr(skb);
 
        type = hdr->icmp6_type;
 
@@ -677,7 +677,7 @@ static int icmpv6_rcv(struct sk_buff **pskb)
                 */
                if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
                        goto discard_it;
-               hdr = (struct icmp6hdr *) skb->h.raw;
+               hdr = icmp6_hdr(skb);
                orig_hdr = (struct ipv6hdr *) (hdr + 1);
                rt6_pmtu_discovery(&orig_hdr->daddr, &orig_hdr->saddr, dev,
                                   ntohl(hdr->icmp6_mtu));