diff options
| -rw-r--r-- | net/ipv6/exthdrs.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c index 084f78c3479..88c96b10684 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; } |