kernel/net/packet/af_packet.c
.. .. @@ -3309,6 +3309,7 @@ 3309 3309 po = pkt_sk(sk); 3310 3310 init_completion(&po->skb_completion); 3311 3311 sk->sk_family = PF_PACKET; 3312 + sk->sk_protocol = protocol;3312 3313 po->num = proto; 3313 3314 po->xmit = dev_queue_xmit; 3314 3315