538 	int	new_z2, fcnt_rx, fcnt_tx, maxlen;  in hfcpci_empty_fifo_trans()  local
546 	fcnt_rx = le16_to_cpu(*z1r) - le16_to_cpu(*z2r);  in hfcpci_empty_fifo_trans()
547 	if (!fcnt_rx)  in hfcpci_empty_fifo_trans()
550 	if (fcnt_rx <= 0)  in hfcpci_empty_fifo_trans()
551 		fcnt_rx += B_FIFO_SIZE;	/* bytes actually buffered */  in hfcpci_empty_fifo_trans()
552 	new_z2 = le16_to_cpu(*z2r) + fcnt_rx;	/* new position in fifo */  in hfcpci_empty_fifo_trans()
564 		bch->dropcnt += fcnt_rx;  in hfcpci_empty_fifo_trans()
568 	maxlen = bchannel_get_rxbuf(bch, fcnt_rx);  in hfcpci_empty_fifo_trans()
570 		pr_warn("B%d: No bufferspace for %d bytes\n", bch->nr, fcnt_rx);  in hfcpci_empty_fifo_trans()
572 		ptr = skb_put(bch->rx_skb, fcnt_rx);  in hfcpci_empty_fifo_trans()
573 		if (le16_to_cpu(*z2r) + fcnt_rx <= B_FIFO_SIZE + B_SUB_VAL)  in hfcpci_empty_fifo_trans()
574 			maxlen = fcnt_rx;	/* complete transfer */  in hfcpci_empty_fifo_trans()
582 		fcnt_rx -= maxlen;  in hfcpci_empty_fifo_trans()
584 		if (fcnt_rx) {	/* rest remaining */  in hfcpci_empty_fifo_trans()
587 			memcpy(ptr, ptr1, fcnt_rx);	/* rest */  in hfcpci_empty_fifo_trans()