- if (skb_copy_bits(skb, sizeof(stph), &stpc, sizeof(stpc)))
- return EBT_NOMATCH;
- return ebt_filter_config(info, &stpc);
+ st = skb_header_pointer(skb, sizeof(_stph),
+ sizeof(_stpc), &_stpc);
+ if (st == NULL)
+ return EBT_NOMATCH;
+ return ebt_filter_config(info, st);