__poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
-int bt_sock_wait_ready(struct sock *sk, unsigned long flags);
+int bt_sock_wait_ready(struct sock *sk, unsigned int msg_flags);
void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh);
void bt_accept_unlink(struct sock *sk);