60 	int sent = 0;  in write_to_ring()  local
70 	while ((sent < len) && ((prod - cons) < sizeof(hvc_data->intf->out))) {  in write_to_ring()
72 		hvc_data->intf->out[out_idx] = str[sent];  in write_to_ring()
74 		sent++;  in write_to_ring()
80 	if (sent) {  in write_to_ring()
84 	return sent;  in write_to_ring()
114 	int ret = 0, sent = 0;  in xen_hvc_fifo_fill()  local
117 		sent = write_to_ring(dev, tx_data, len);  in xen_hvc_fifo_fill()
119 		ret += sent;  in xen_hvc_fifo_fill()
120 		tx_data += sent;  in xen_hvc_fifo_fill()
121 		len -= sent;  in xen_hvc_fifo_fill()