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gro: Fix COMPLETE checksum handling

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On a brand new GRO skb, we cannot call ip_hdr since the header
may lie in the non-linear area.  This patch adds the helper
skb_gro_network_header to handle this.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Herbert Xu 2009-04-27 05:44:45 -07:00 • committed by David S. Miller
parent edbd9e3030
commit 36e7b1b8da
3 changed files with 9 additions and 2 deletions
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2
net/ipv4/tcp_ipv4.c
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@ -2343,7 +2343,7 @@ void tcp4_proc_exit(void)
struct sk_buff **tcp4_gro_receive(struct sk_buff **head, struct sk_buff *skb)
{
struct iphdr *iph = ip_hdr(skb);
struct iphdr *iph = skb_gro_network_header(skb);
switch (skb->ip_summed) {
case CHECKSUM_COMPLETE: