303 	size_t wrote;  in cdc_acm_read_cb()  local
312 	wrote = ring_buf_put(dev_data->rx_ringbuf, dev_data->rx_buf, size);  in cdc_acm_read_cb()
313 	if (wrote < size) {  in cdc_acm_read_cb()
314 		LOG_ERR("Ring buffer full, drop %zd bytes", size - wrote);  in cdc_acm_read_cb()
526 	size_t wrote;  in cdc_acm_fifo_fill()  local
532 	wrote = ring_buf_put(dev_data->tx_ringbuf, tx_data, len);  in cdc_acm_fifo_fill()
534 	LOG_DBG("Wrote %zu of %d bytes to TX ringbuffer", wrote, len);  in cdc_acm_fifo_fill()
536 	if (wrote) {  in cdc_acm_fifo_fill()
541 	return wrote;  in cdc_acm_fifo_fill()
1030 	uint32_t wrote;  in cdc_acm_poll_out()  local
1036 		wrote = ring_buf_put(dev_data->tx_ringbuf, &c, 1);  in cdc_acm_poll_out()
1038 		if (wrote == 1) {  in cdc_acm_poll_out()