goto drop;
len = run_ebpf_filter(tun, skb, len);
-
- /* Trim extra bytes since we may insert vlan proto & TCI
- * in tun_put_user().
- */
- len -= skb_vlan_tag_present(skb) ? sizeof(struct veth) : 0;
- if (len <= 0 || pskb_trim(skb, len))
+ if (len == 0 || pskb_trim(skb, len))
goto drop;
if (unlikely(skb_orphan_frags_rx(skb, GFP_ATOMIC)))