fix: golint errors in staging/src/k8s.io/apimachinery/pkg/api/validation

Signed-off-by: QianChenglong <qian_cheng_long@163.com>

hack/.golint_failures

@@ -262,8 +262,6 @@ staging/src/k8s.io/apimachinery/pkg/api/apitesting/fuzzer
 staging/src/k8s.io/apimachinery/pkg/api/apitesting/roundtrip
 staging/src/k8s.io/apimachinery/pkg/api/meta
 staging/src/k8s.io/apimachinery/pkg/api/resource
-staging/src/k8s.io/apimachinery/pkg/api/validation
-staging/src/k8s.io/apimachinery/pkg/api/validation/path
 staging/src/k8s.io/apimachinery/pkg/apis/meta/fuzzer
 staging/src/k8s.io/apimachinery/pkg/apis/meta/internalversion
 staging/src/k8s.io/apimachinery/pkg/apis/meta/v1

staging/src/k8s.io/apimachinery/pkg/api/validation/generic.go

@@ -23,6 +23,7 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 )
 
+// IsNegativeErrorMsg is a error message for value must be greater than or equal to 0.
 const IsNegativeErrorMsg string = `must be greater than or equal to 0`
 
 // ValidateNameFunc validates that the provided name is valid for a given resource type.
@@ -75,7 +76,7 @@ func maskTrailingDash(name string) string {
 	return name
 }
 
-// Validates that given value is not negative.
+// ValidateNonnegativeField validates that given value is not negative.
 func ValidateNonnegativeField(value int64, fldPath *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
 	if value < 0 {

staging/src/k8s.io/apimachinery/pkg/api/validation/objectmeta.go

@@ -30,6 +30,7 @@ import (
 	"k8s.io/apimachinery/pkg/util/validation/field"
 )
 
+// FieldImmutableErrorMsg is a error message for field is immutable.
 const FieldImmutableErrorMsg string = `field is immutable`
 
 const totalAnnotationSizeLimitB int = 256 * (1 << 10) // 256 kB
@@ -80,6 +81,7 @@ func validateOwnerReference(ownerReference metav1.OwnerReference, fldPath *field
 	return allErrs
 }
 
+// ValidateOwnerReferences validates that a set of owner references are correctly defined.
 func ValidateOwnerReferences(ownerReferences []metav1.OwnerReference, fldPath *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
 	controllerName := ""
@@ -97,7 +99,7 @@ func ValidateOwnerReferences(ownerReferences []metav1.OwnerReference, fldPath *f
 	return allErrs
 }
 
-// Validate finalizer names
+// ValidateFinalizerName validates finalizer names.
 func ValidateFinalizerName(stringValue string, fldPath *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
 	for _, msg := range validation.IsQualifiedName(stringValue) {
@@ -107,6 +109,7 @@ func ValidateFinalizerName(stringValue string, fldPath *field.Path) field.ErrorL
 	return allErrs
 }
 
+// ValidateNoNewFinalizers validates the new finalizers has no new finalizers compare to old finalizers.
 func ValidateNoNewFinalizers(newFinalizers []string, oldFinalizers []string, fldPath *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
 	extra := sets.NewString(newFinalizers...).Difference(sets.NewString(oldFinalizers...))
@@ -116,6 +119,7 @@ func ValidateNoNewFinalizers(newFinalizers []string, oldFinalizers []string, fld
 	return allErrs
 }
 
+// ValidateImmutableField validates the new value and the old value are deeply equal.
 func ValidateImmutableField(newVal, oldVal interface{}, fldPath *field.Path) field.ErrorList {
 	allErrs := field.ErrorList{}
 	if !apiequality.Semantic.DeepEqual(oldVal, newVal) {
@@ -137,7 +141,7 @@ func ValidateObjectMeta(objMeta *metav1.ObjectMeta, requiresNamespace bool, name
 	return ValidateObjectMetaAccessor(metadata, requiresNamespace, nameFn, fldPath)
 }
 
-// ValidateObjectMeta validates an object's metadata on creation. It expects that name generation has already
+// ValidateObjectMetaAccessor validates an object's metadata on creation. It expects that name generation has already
 // been performed.
 // It doesn't return an error for rootscoped resources with namespace, because namespace should already be cleared before.
 func ValidateObjectMetaAccessor(meta metav1.Object, requiresNamespace bool, nameFn ValidateNameFunc, fldPath *field.Path) field.ErrorList {
@@ -208,7 +212,7 @@ func ValidateFinalizers(finalizers []string, fldPath *field.Path) field.ErrorLis
 	return allErrs
 }
 
-// ValidateObjectMetaUpdate validates an object's metadata when updated
+// ValidateObjectMetaUpdate validates an object's metadata when updated.
 func ValidateObjectMetaUpdate(newMeta, oldMeta *metav1.ObjectMeta, fldPath *field.Path) field.ErrorList {
 	newMetadata, err := meta.Accessor(newMeta)
 	if err != nil {
@@ -225,6 +229,7 @@ func ValidateObjectMetaUpdate(newMeta, oldMeta *metav1.ObjectMeta, fldPath *fiel
 	return ValidateObjectMetaAccessorUpdate(newMetadata, oldMetadata, fldPath)
 }
 
+// ValidateObjectMetaAccessorUpdate validates an object's metadata when updated.
 func ValidateObjectMetaAccessorUpdate(newMeta, oldMeta metav1.Object, fldPath *field.Path) field.ErrorList {
 	var allErrs field.ErrorList
 

staging/src/k8s.io/apimachinery/pkg/api/validation/path/name.go

@@ -62,7 +62,7 @@ func IsValidPathSegmentPrefix(name string) []string {
 func ValidatePathSegmentName(name string, prefix bool) []string {
 	if prefix {
 		return IsValidPathSegmentPrefix(name)
-	} else {
-		return IsValidPathSegmentName(name)
 	}
+
+	return IsValidPathSegmentName(name)
 }