int hh_len;
struct iphdr *iph;
struct sk_buff *skb;
+ unsigned int iphlen;
int err;
if (length > rt->u.dst.dev->mtu) {
goto error_fault;
/* We don't modify invalid header */
- if (length >= sizeof(*iph) && iph->ihl * 4U <= length) {
+ iphlen = iph->ihl * 4;
+ if (iphlen >= sizeof(*iph) && iphlen <= length) {
if (!iph->saddr)
iph->saddr = rt->rt_src;
iph->check = 0;