29     error, with_as_descriptor, AsRawDescriptor, Error as SysError, Event, ExternalMapping, Fd,
194     Err(SysError),
337                     .ok_or_else(|| VmMemoryResponse::Err(SysError::new(EINVAL)))  in execute()
368                         return VmMemoryResponse::Err(SysError::new(EINVAL));  in execute()
399                         return VmMemoryResponse::Err(SysError::new(EINVAL));  in execute()
407                         return VmMemoryResponse::Err(SysError::new(EINVAL));  in execute()
453                     Err(_e) => return VmMemoryResponse::Err(SysError::new(EINVAL)),  in execute()
481     Err(SysError),
526                     VmIrqResponse::Err(SysError::new(EINVAL))  in execute()
554     Err(SysError),
573     Err(SysError),
846                             _ => return VmResponse::Err(SysError::new(EINVAL)),  in execute()
862                     None => VmResponse::Err(SysError::new(EINVAL)),  in execute()
893             _ => VmResponse::Err(SysError::new(EINVAL)),  in execute()
935         _ => return Err(SysError::new(EINVAL)),  in register_memory()
942             .map_err(|_e| SysError::new(EINVAL))?,  in register_memory()
948                 .map_err(|_e| SysError::new(EINVAL))?  in register_memory()
966         .map_err(|_e| SysError::new(EINVAL))?;  in register_host_pointer()
1002                     Err(_) => VmResponse::Err(SysError::last()),  in execute()
1017                             VmResponse::Err(SysError::last())  in execute()
1020                     Err(_) => VmResponse::Err(SysError::last()),  in execute()
1031                         VmResponse::Err(SysError::new(EINVAL))  in execute()
1038                                 VmResponse::Err(SysError::new(EINVAL))  in execute()
1043                     VmResponse::Err(SysError::new(ENODEV))  in execute()
1050                     return VmResponse::Err(SysError::new(EIO));  in execute()
1056                         VmResponse::Err(SysError::new(EIO))  in execute()
1065                             return VmResponse::Err(SysError::new(EINVAL));  in execute()
1071                             return VmResponse::Err(SysError::new(EIO));  in execute()
1078                                 VmResponse::Err(SysError::new(EIO))  in execute()
1097     Err(SysError),