diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/xfrm6_mode_beet.c | 6 | ||||
| -rw-r--r-- | net/ipv6/xfrm6_mode_tunnel.c | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c index edcfffa9e87b..53cfe1a10ccd 100644 --- a/net/ipv6/xfrm6_mode_beet.c +++ b/net/ipv6/xfrm6_mode_beet.c @@ -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); 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; |