diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2007-03-10 18:40:27 +0300 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-26 09:24:37 +0400 |
| commit | 39f69c6f922fbfb51e1ff24c9e196584a79f1484 (patch) | |
| tree | 2d68a730ba5b89f895c28489872a1eea3b37db5a /net/ipv6/xfrm6_mode_tunnel.c | |
| parent | 48d49d0ccdaa9caff4636ef9c3410973d28131b5 (diff) | |
| download | linux-39f69c6f922fbfb51e1ff24c9e196584a79f1484.tar.xz | |
[SK_BUFF] xfrm: Use skb_set_mac_header in the memmove cases
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/xfrm6_mode_tunnel.c')
| -rw-r--r-- | net/ipv6/xfrm6_mode_tunnel.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c index 0bc866c0d83c..d2c560c181a1 100644 --- a/net/ipv6/xfrm6_mode_tunnel.c +++ b/net/ipv6/xfrm6_mode_tunnel.c @@ -86,6 +86,7 @@ static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb) static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb) { int err = -EINVAL; + const unsigned char *old_mac; if (skb->nh.raw[IP6CB(skb)->nhoff] != IPPROTO_IPV6 && skb->nh.raw[IP6CB(skb)->nhoff] != IPPROTO_IPIP) @@ -107,8 +108,9 @@ static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb) ip6ip_ecn_decapsulate(skb); skb->protocol = htons(ETH_P_IP); } - 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); skb->nh.raw = skb->data; err = 0; |