}

	return nil
}

// validateClassName checks the validity of class name.
// A class name may contain the following ASCII characters:
//   - upper- and lowercase letters ('A'-'Z', 'a'-'z')
//   - digits ('0'-'9')
//   - underscore and dash ('_', '-')
func validateClassName(class string) error {
	if class == "" {
		return fmt.Errorf("invalid (empty) device class")
	}

}

// ValidateStorageClass validates a StorageClass.
func ValidateStorageClass(storageClass *storage.StorageClass) field.ErrorList {
	allErrs := apivalidation.ValidateObjectMeta(&storageClass.ObjectMeta, false, apivalidation.ValidateClassName, field.NewPath("metadata"))
	allErrs = append(allErrs, validateProvisioner(storageClass.Provisioner, field.NewPath("provisioner"))...)

	return allErrs
}

func validateResourceClaimSpec(spec *resource.ResourceClaimSpec, fldPath *field.Path) field.ErrorList {
	allErrs := field.ErrorList{}
	for _, msg := range corevalidation.ValidateClassName(spec.ResourceClassName, false) {
		allErrs = append(allErrs, field.Invalid(fldPath.Child("resourceClassName"), spec.ResourceClassName, msg))
	}

// trailing dashes are allowed.
var ValidateEndpointsName = apimachineryvalidation.NameIsDNSSubdomain

// ValidateClassName can be used to check whether the given class name is valid.
// It is defined here to avoid import cycle between pkg/apis/storage/validation
// (where it should be) and this file.
var ValidateClassName = apimachineryvalidation.NameIsDNSSubdomain

// ValidatePriorityClassName can be used to check whether the given priority