Lines Matching refs:rbuf
445 struct n_hdlc_buf *rbuf; in n_hdlc_tty_read() local
449 rbuf = *cookie; in n_hdlc_tty_read()
450 if (rbuf) in n_hdlc_tty_read()
465 rbuf = n_hdlc_buf_get(&n_hdlc->rx_buf_list); in n_hdlc_tty_read()
466 if (rbuf) in n_hdlc_tty_read()
486 if (!rbuf) in n_hdlc_tty_read()
488 *cookie = rbuf; in n_hdlc_tty_read()
492 if (offset >= rbuf->count) in n_hdlc_tty_read()
501 ret = rbuf->count - offset; in n_hdlc_tty_read()
504 memcpy(kbuf, rbuf->buf+offset, ret); in n_hdlc_tty_read()
508 if (offset < rbuf->count) in n_hdlc_tty_read()
515 kfree(rbuf); in n_hdlc_tty_read()
517 n_hdlc_buf_put(&n_hdlc->rx_free_buf_list, rbuf); in n_hdlc_tty_read()