dfu->dev_type = DFU_DEV_VIRT;
dfu->layout = DFU_RAW_ADDR;
- dfu->data.virt.dev_num = simple_strtoul(devstr, NULL, 10);
+ dfu->data.virt.dev_num = dectoul(devstr, NULL);
dfu->write_medium = dfu_write_medium_virt;
dfu->get_medium_size = dfu_get_medium_size_virt;