Revert Backoff [v3]: Rename skb to icmp_skb in tcp_v4_err()

 *

 */

void tcp_v4_err(struct sk_buff *skb, u32 info)

void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)

{

	struct iphdr *iph = (struct iphdr *)skb->data;

	struct tcphdr *th = (struct tcphdr *)(skb->data + (iph->ihl << 2));

	struct iphdr *iph = (struct iphdr *)icmp_skb->data;

	struct tcphdr *th = (struct tcphdr *)(icmp_skb->data + (iph->ihl << 2));

	struct tcp_sock *tp;

	struct inet_sock *inet;

	const int type = icmp_hdr(skb)->type;

	const int code = icmp_hdr(skb)->code;

	const int type = icmp_hdr(icmp_skb)->type;

	const int code = icmp_hdr(icmp_skb)->code;

	struct sock *sk;

	__u32 seq;

	int err;

	struct net *net = dev_net(skb->dev);

	struct net *net = dev_net(icmp_skb->dev);

	if (skb->len < (iph->ihl << 2) + 8) {

	if (icmp_skb->len < (iph->ihl << 2) + 8) {

		ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS);

		return;

	}

	sk = inet_lookup(net, &tcp_hashinfo, iph->daddr, th->dest,

			iph->saddr, th->source, inet_iif(skb));

			iph->saddr, th->source, inet_iif(icmp_skb));

	if (!sk) {

		ICMP_INC_STATS_BH(net, ICMP_MIB_INERRORS);

		return;