Lines Matching refs:rbuf
433 struct n_hdlc_buf *rbuf; in n_hdlc_tty_read() local
437 rbuf = *cookie; in n_hdlc_tty_read()
438 if (rbuf) in n_hdlc_tty_read()
453 rbuf = n_hdlc_buf_get(&n_hdlc->rx_buf_list); in n_hdlc_tty_read()
454 if (rbuf) in n_hdlc_tty_read()
474 if (!rbuf) in n_hdlc_tty_read()
476 *cookie = rbuf; in n_hdlc_tty_read()
480 if (offset >= rbuf->count) in n_hdlc_tty_read()
489 ret = rbuf->count - offset; in n_hdlc_tty_read()
492 memcpy(kbuf, rbuf->buf+offset, ret); in n_hdlc_tty_read()
496 if (offset < rbuf->count) in n_hdlc_tty_read()
503 kfree(rbuf); in n_hdlc_tty_read()
505 n_hdlc_buf_put(&n_hdlc->rx_free_buf_list, rbuf); in n_hdlc_tty_read()