static void l2cap_sock_init(struct sock *sk, struct sock *parent)
{
	struct l2cap_pinfo *pi = l2cap_pi(sk);
	struct l2cap_chan *chan = pi->chan;

	BT_DBG("sk %p", sk);

	if (parent) {
		struct l2cap_chan *pchan = l2cap_pi(parent)->chan;

		sk->sk_type = parent->sk_type;
		bt_sk(sk)->flags = bt_sk(parent)->flags;

		chan->chan_type = pchan->chan_type;
		chan->imtu = pchan->imtu;
		chan->omtu = pchan->omtu;
		chan->conf_state = pchan->conf_state;
		chan->mode = pchan->mode;
		chan->fcs  = pchan->fcs;
		chan->max_tx = pchan->max_tx;
		chan->tx_win = pchan->tx_win;
		chan->tx_win_max = pchan->tx_win_max;
		chan->sec_level = pchan->sec_level;
		chan->flags = pchan->flags;

		security_sk_clone(parent, sk);
	} else {

		switch (sk->sk_type) {
		case SOCK_RAW:
			chan->chan_type = L2CAP_CHAN_RAW;
			break;
		case SOCK_DGRAM:
			chan->chan_type = L2CAP_CHAN_CONN_LESS;
			break;
		case SOCK_SEQPACKET:
		case SOCK_STREAM:
			chan->chan_type = L2CAP_CHAN_CONN_ORIENTED;
			break;
		}

		chan->imtu = L2CAP_DEFAULT_MTU;
		chan->omtu = 0;
		if (!disable_ertm && sk->sk_type == SOCK_STREAM) {
			chan->mode = L2CAP_MODE_ERTM;
			set_bit(CONF_STATE2_DEVICE, &chan->conf_state);
		} else {
			chan->mode = L2CAP_MODE_BASIC;
		}

		l2cap_chan_set_defaults(chan);
	}

	/* Default config options */
	chan->flush_to = L2CAP_DEFAULT_FLUSH_TO;

	chan->data = sk;
	chan->ops = &l2cap_chan_ops;
}

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