s390/virtio/virtio_ccw.c

913 	void *config_area;
920 	config_area = ccw_device_dma_zalloc(vcdev->cdev,
923 	if (!config_area)
935 	memcpy(vcdev->config, config_area, offset + len);
940 		memcpy(buf, config_area + offset, len);
943 	ccw_device_dma_free(vcdev->cdev, config_area, VIRTIO_CCW_CONFIG_SIZE);
953 	void *config_area;
960 	config_area = ccw_device_dma_zalloc(vcdev->cdev,
963 	if (!config_area)
972 	memcpy(config_area, vcdev->config, sizeof(vcdev->config));
980 	ccw_device_dma_free(vcdev->cdev, config_area, VIRTIO_CCW_CONFIG_SIZE);