{
struct net *net = dev_net(skb->dev);
__be32 spi;
- struct iphdr *iph = (struct iphdr *)skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct ip_comp_hdr *ipch = (struct ip_comp_hdr *)(skb->data+(iph->ihl<<2));
struct xfrm_state *x;
return;
spi = htonl(ntohs(ipch->cpi));
- x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr,
+ x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
spi, IPPROTO_COMP, AF_INET);
if (!x)
return;