static inline struct sock *l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid)
{
	struct sock *s;
	read_lock(&l->lock);
	s = __l2cap_get_chan_by_scid(l, cid);
	if (s)
		bh_lock_sock(s);
	read_unlock(&l->lock);
	return s;
}
static inline struct sock *l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16 cid)
{
	struct sock *s;
	read_lock(&l->lock);
	s = __l2cap_get_chan_by_scid(l, cid);
	if (s)
		bh_lock_sock(s);
	read_unlock(&l->lock);
	return s;
}