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path: root/net/ipv6/xfrm6_mode_beet.c
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Diffstat (limited to 'net/ipv6/xfrm6_mode_beet.c')
-rw-r--r--net/ipv6/xfrm6_mode_beet.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/ipv6/xfrm6_mode_beet.c b/net/ipv6/xfrm6_mode_beet.c
index edcfffa..53cfe1a 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);