static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, struct sk_buff *skb)
{
	struct sock *sk;

	sk = l2cap_get_sock_by_psm(0, psm, conn->src);
	if (!sk)
		goto drop;

	BT_DBG("sk %p, len %d", sk, skb->len);

	if (sk->sk_state != BT_BOUND && sk->sk_state != BT_CONNECTED)
		goto drop;

	if (l2cap_pi(sk)->imtu < skb->len)
		goto drop;

	if (!sock_queue_rcv_skb(sk, skb))
		goto done;

drop:
	kfree_skb(skb);

done:
	if (sk)
		bh_unlock_sock(sk);
	return 0;
}
static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, struct sk_buff *skb)
{
	struct sock *sk;

	sk = l2cap_get_sock_by_psm(0, psm, conn->src);
	if (!sk)
		goto drop;

	BT_DBG("sk %p, len %d", sk, skb->len);

	if (sk->sk_state != BT_BOUND && sk->sk_state != BT_CONNECTED)
		goto drop;

	if (l2cap_pi(sk)->imtu < skb->len)
		goto drop;

	if (!sock_queue_rcv_skb(sk, skb))
		goto done;

drop:
	kfree_skb(skb);

done:
	if (sk)
		bh_unlock_sock(sk);
	return 0;
}