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[SK_BUFF] xfrm: Use skb_set_mac_header in the memmove cases

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Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo 2007-03-10 12:40:27 -03:00 • committed by David S. Miller
parent 48d49d0ccd
commit 39f69c6f92
3 changed files with 12 additions and 6 deletions
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6
net/ipv6/xfrm6_mode_beet.c
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@ -59,6 +59,7 @@ static int xfrm6_beet_output(struct xfrm_state *x, struct sk_buff *skb)
static int xfrm6_beet_input(struct xfrm_state *x, struct sk_buff *skb)
{
struct ipv6hdr *ip6h;
const unsigned char *old_mac;
int size = sizeof(struct ipv6hdr);
int err = -EINVAL;
@ -69,8 +70,9 @@ static int xfrm6_beet_input(struct xfrm_state *x, struct sk_buff *skb)
memmove(skb->data, skb->nh.raw, size);
skb->nh.raw = skb->data;
skb->mac.raw = memmove(skb->data - skb->mac_len,
skb->mac.raw, skb->mac_len);
old_mac = skb->mac.raw;
skb_set_mac_header(skb, -skb->mac_len);
memmove(skb->mac.raw, old_mac, skb->mac_len);
ip6h = skb->nh.ipv6h;
ip6h->payload_len = htons(skb->len - size);