struct iphdr *niph, *oiph = ip_hdr(oldskb);
skb_reset_network_header(nskb);
- niph = (struct iphdr *)skb_put(nskb, sizeof(struct iphdr));
+ niph = skb_put(nskb, sizeof(struct iphdr));
niph->version = 4;
niph->ihl = sizeof(struct iphdr) / 4;
niph->tos = 0;
struct tcphdr *tcph;
skb_reset_transport_header(nskb);
- tcph = (struct tcphdr *)skb_put(nskb, sizeof(struct tcphdr));
- memset(tcph, 0, sizeof(*tcph));
+ tcph = skb_put_zero(nskb, sizeof(struct tcphdr));
tcph->source = oth->dest;
tcph->dest = oth->source;
tcph->doff = sizeof(struct tcphdr) / 4;