941     vm_dtbo: Option<&mut [u8]>,  in sanitize_device_tree()
949     let vm_dtbo = match vm_dtbo {  in sanitize_device_tree()  localVariable
950         Some(vm_dtbo) => Some(VmDtbo::from_mut_slice(vm_dtbo).map_err(|e| {  in sanitize_device_tree()
957     let info = parse_device_tree(fdt, vm_dtbo.as_deref())?;  in sanitize_device_tree()
972         let vm_dtbo = vm_dtbo.unwrap();  in sanitize_device_tree()  localVariable
973         device_assignment_info.filter(vm_dtbo).map_err(|e| {  in sanitize_device_tree()
981             fdt.apply_overlay(vm_dtbo.as_mut()).map_err(|e| {  in sanitize_device_tree()
1012 fn parse_device_tree(fdt: &Fdt, vm_dtbo: Option<&VmDtbo>) -> Result<DeviceTreeInfo, RebootReason> {  in parse_device_tree()
1067     let device_assignment = match vm_dtbo {  in parse_device_tree()
1068         Some(vm_dtbo) => {  in parse_device_tree()
1070                 DeviceAssignmentInfo::parse(fdt, vm_dtbo, hypervisor).map_err(|e| {  in parse_device_tree()