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authorMasahide NAKAMURA <nakam@linux-ipv6.org>2006-08-31 15:18:49 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 15:18:46 -0700
commitdc435e6dac1439340eaeceef84022c4e4749796d (patch)
tree87da22f876202e108d7e908281bc1b21038836bb /net
parenta9917c06652165fe4eeb9ab7a5d1e0674e90e508 (diff)
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[IPV6] MIP6: Fix to update IP6CB when cloned skbuff is received at HAO.
Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/exthdrs.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 084f78c3479b..88c96b10684c 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -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;
}