struct sk_buff *nskb = llc_alloc_frame();
struct sk_buff *nskb = llc_alloc_frame(skb->dev);
static int llc_station_ac_send_null_dsap_xid_c(struct sk_buff *skb){	int rc = 1;	struct sk_buff *nskb = llc_alloc_frame();	if (!nskb)		goto out;	llc_pdu_header_init(nskb, LLC_PDU_TYPE_U, 0, 0, LLC_PDU_CMD);	llc_pdu_init_as_xid_cmd(nskb, LLC_XID_NULL_CLASS_2, 127);	rc = llc_mac_hdr_init(nskb, llc_station_mac_sa, llc_station_mac_sa);	if (rc)		goto free;	llc_station_send_pdu(nskb);out:	return rc;free:	kfree_skb(skb);	goto out;}