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[IPV6]: Repair IPv6 Fragments

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The commit "[IPV6]: Use kmemdup" (commit-id:
af879cc704) broke IPv6 fragments.

Bug was spotted by Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2006-12-05 13:47:21 -08:00 committed by David S. Miller
parent 5c804bfdcc
commit 9a217a1c7e
1 changed files with 1 additions and 1 deletions
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2
net/ipv6/ip6_output.c
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@ -624,13 +624,13 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
skb_shinfo(skb)->frag_list = NULL; skb_shinfo(skb)->frag_list = NULL;
/* BUILD HEADER */ /* BUILD HEADER */
*prevhdr = NEXTHDR_FRAGMENT;
tmp_hdr = kmemdup(skb->nh.raw, hlen, GFP_ATOMIC); tmp_hdr = kmemdup(skb->nh.raw, hlen, GFP_ATOMIC);
if (!tmp_hdr) { if (!tmp_hdr) {
IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS); IP6_INC_STATS(ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);
return -ENOMEM; return -ENOMEM;
} }
*prevhdr = NEXTHDR_FRAGMENT;
__skb_pull(skb, hlen); __skb_pull(skb, hlen);
fh = (struct frag_hdr*)__skb_push(skb, sizeof(struct frag_hdr)); fh = (struct frag_hdr*)__skb_push(skb, sizeof(struct frag_hdr));
skb->nh.raw = __skb_push(skb, hlen); skb->nh.raw = __skb_push(skb, hlen);