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[IPV6] MIP6: Fix to update IP6CB when cloned skbuff is received at HAO.

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Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Masahide NAKAMURA 2006-08-31 15:18:49 -07:00 committed by David S. Miller
parent a9917c0665
commit dc435e6dac
1 changed files with 7 additions and 0 deletions
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7
net/ipv6/exthdrs.c
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@ -233,9 +233,14 @@ static int ipv6_dest_hao(struct sk_buff **skbp, int optoff)
if (skb_cloned(skb)) {
struct sk_buff *skb2 = skb_copy(skb, GFP_ATOMIC);
struct inet6_skb_parm *opt2;
if (skb2 == NULL)
goto discard;
opt2 = IP6CB(skb2);
memcpy(opt2, opt, sizeof(*opt2));
kfree_skb(skb);
/* update all variable using below by copied skbuff */
@ -296,6 +301,7 @@ static int ipv6_destopt_rcv(struct sk_buff **skbp)
if (ip6_parse_tlv(tlvprocdestopt_lst, skbp)) {
skb = *skbp;
skb->h.raw += ((skb->h.raw[1]+1)<<3);
opt = IP6CB(skb);
#ifdef CONFIG_IPV6_MIP6
opt->nhoff = dstbuf;
#else
@ -690,6 +696,7 @@ int ipv6_parse_hopopts(struct sk_buff **skbp)
if (ip6_parse_tlv(tlvprochopopt_lst, skbp)) {
skb = *skbp;
skb->h.raw += (skb->h.raw[1]+1)<<3;
opt = IP6CB(skb);
opt->nhoff = sizeof(struct ipv6hdr);
return 1;
}