int xfrm_nr = 0;
int decaps = 0;
int err = xfrm4_parse_spi(skb, ip_hdr(skb)->protocol, &spi, &seq);
+ unsigned int nhoff = offsetof(struct iphdr, protocol);
if (err != 0)
goto drop;
do {
const struct iphdr *iph = ip_hdr(skb);
+ int nexthdr;
if (xfrm_nr == XFRM_MAX_DEPTH)
goto drop;
if (xfrm_state_check_expire(x))
goto drop_unlock;
- if (x->type->input(x, skb))
+ nexthdr = x->type->input(x, skb);
+ if (nexthdr <= 0)
goto drop_unlock;
+ skb_network_header(skb)[nhoff] = nexthdr;
+
/* only the first xfrm gets the encap type */
encap_type = 0;