1 files changed, 15 insertions, 4 deletions
diff --git a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/controller_ref.go b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/controller_ref.go
index 042cd5b9c..15b45ffa8 100644
--- a/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/controller_ref.go
+++ b/vendor/k8s.io/apimachinery/pkg/apis/meta/v1/controller_ref.go
@@ -22,7 +22,7 @@ import (
 
 // IsControlledBy checks if the  object has a controllerRef set to the given owner
 func IsControlledBy(obj Object, owner Object) bool {
-	ref := GetControllerOf(obj)
+	ref := GetControllerOfNoCopy(obj)
 	if ref == nil {
 		return false
 	}
@@ -31,9 +31,20 @@ func IsControlledBy(obj Object, owner Object) bool {
 
 // GetControllerOf returns a pointer to a copy of the controllerRef if controllee has a controller
 func GetControllerOf(controllee Object) *OwnerReference {
-	for _, ref := range controllee.GetOwnerReferences() {
-		if ref.Controller != nil && *ref.Controller {
-			return &ref
+	ref := GetControllerOfNoCopy(controllee)
+	if ref == nil {
+		return nil
+	}
+	cp := *ref
+	return &cp
+}
+
+// GetControllerOf returns a pointer to the controllerRef if controllee has a controller
+func GetControllerOfNoCopy(controllee Object) *OwnerReference {
+	refs := controllee.GetOwnerReferences()
+	for i := range refs {
+		if refs[i].Controller != nil && *refs[i].Controller {
+			return &refs[i]
 		}
 	}
 	return nil