235 pub enum DeviceRegistrationError {  enum
276 impl Display for DeviceRegistrationError {  implementation
278         use self::DeviceRegistrationError::*;  in fmt()
320     DeviceRegistrationError,  in generate_pci_root()  argument
333             .map_err(DeviceRegistrationError::AllocateDeviceAddrs)?;  in generate_pci_root()
342             .map_err(DeviceRegistrationError::AllocateIoAddrs)?;  in generate_pci_root()
351             .map_err(DeviceRegistrationError::AllocateDeviceAddrs)?;  in generate_pci_root()
360         let irqfd = Event::new().map_err(DeviceRegistrationError::EventCreate)?;  in generate_pci_root()
361         let irq_resample_fd = Event::new().map_err(DeviceRegistrationError::EventCreate)?;  in generate_pci_root()
367                 .ok_or(DeviceRegistrationError::AllocateIrq)?;  in generate_pci_root()
382             .map_err(DeviceRegistrationError::RegisterIrqfd)?;  in generate_pci_root()
392             .map_err(DeviceRegistrationError::RegisterDeviceCapabilities)?;  in generate_pci_root()
396                 .map_err(DeviceRegistrationError::RegisterIoevent)?;  in generate_pci_root()
401                 .map_err(DeviceRegistrationError::ProxyDeviceCreation)?;  in generate_pci_root()
412                 .map_err(DeviceRegistrationError::MmioInsert)?;  in generate_pci_root()
418                 .map_err(DeviceRegistrationError::MmioInsert)?;  in generate_pci_root()
442 ) -> Result<Tube, DeviceRegistrationError> {  in add_goldfish_battery()  argument
452         .map_err(DeviceRegistrationError::AllocateIoResource)?;  in add_goldfish_battery()
454     let irq_evt = Event::new().map_err(DeviceRegistrationError::EventCreate)?;  in add_goldfish_battery()
455     let irq_resample_evt = Event::new().map_err(DeviceRegistrationError::EventCreate)?;  in add_goldfish_battery()
459         .map_err(DeviceRegistrationError::RegisterIrqfd)?;  in add_goldfish_battery()
462         Tube::pair().map_err(DeviceRegistrationError::CreateTube)?;  in add_goldfish_battery()
479     .map_err(DeviceRegistrationError::RegisterBattery)?;  in add_goldfish_battery()
490                             .map_err(DeviceRegistrationError::ProxyDeviceCreation)?,  in add_goldfish_battery()
495                 .map_err(DeviceRegistrationError::MmioInsert)?;  in add_goldfish_battery()
504                 .map_err(DeviceRegistrationError::MmioInsert)?;  in add_goldfish_battery()