static void send_reset(struct sk_buff *oldskb, int hook)
{
struct sk_buff *nskb;
- struct iphdr *oiph, *niph;
- struct tcphdr _otcph, *oth, *tcph;
+ const struct iphdr *oiph;
+ struct iphdr *niph;
+ const struct tcphdr *oth;
+ struct tcphdr _otcph, *tcph;
unsigned int addr_type;
/* IP header checks: fragment. */