static inline void l2cap_sig_channel(struct l2cap_conn *conn,
				     struct sk_buff *skb)
{
	struct hci_conn *hcon = conn->hcon;
	u8 *data = skb->data;
	int len = skb->len;
	struct l2cap_cmd_hdr cmd;
	int err;

	l2cap_raw_recv(conn, skb);

	if (hcon->type != ACL_LINK)
		goto drop;

	while (len >= L2CAP_CMD_HDR_SIZE) {
		u16 cmd_len;
		memcpy(&cmd, data, L2CAP_CMD_HDR_SIZE);
		data += L2CAP_CMD_HDR_SIZE;
		len  -= L2CAP_CMD_HDR_SIZE;

		cmd_len = le16_to_cpu(cmd.len);

		BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len,
		       cmd.ident);

		if (cmd_len > len || !cmd.ident) {
			BT_DBG("corrupted command");
			break;
		}

		err = l2cap_bredr_sig_cmd(conn, &cmd, cmd_len, data);
		if (err) {
			struct l2cap_cmd_rej_unk rej;

			BT_ERR("Wrong link type (%d)", err);

			rej.reason = cpu_to_le16(L2CAP_REJ_NOT_UNDERSTOOD);
			l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ,
				       sizeof(rej), &rej);
		}

		data += cmd_len;
		len  -= cmd_len;
	}

drop:
	kfree_skb(skb);
}
static inline void l2cap_sig_channel(struct l2cap_conn *conn,
				     struct sk_buff *skb)
{
	struct hci_conn *hcon = conn->hcon;
	u8 *data = skb->data;
	int len = skb->len;
	struct l2cap_cmd_hdr cmd;
	int err;

	l2cap_raw_recv(conn, skb);

	if (hcon->type != ACL_LINK)
		goto drop;

	while (len >= L2CAP_CMD_HDR_SIZE) {
		u16 cmd_len;
		memcpy(&cmd, data, L2CAP_CMD_HDR_SIZE);
		data += L2CAP_CMD_HDR_SIZE;
		len  -= L2CAP_CMD_HDR_SIZE;

		cmd_len = le16_to_cpu(cmd.len);

		BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len,
		       cmd.ident);

		if (cmd_len > len || !cmd.ident) {
			BT_DBG("corrupted command");
			break;
		}

		err = l2cap_bredr_sig_cmd(conn, &cmd, cmd_len, data);
		if (err) {
			struct l2cap_cmd_rej_unk rej;

			BT_ERR("Wrong link type (%d)", err);

			rej.reason = cpu_to_le16(L2CAP_REJ_NOT_UNDERSTOOD);
			l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ,
				       sizeof(rej), &rej);
		}

		data += cmd_len;
		len  -= cmd_len;
	}

drop:
	kfree_skb(skb);
}