r/aws_iam_policy_attachment: Use 'inttypes.IsZero'.

Author: ewbankkit

internal/service/iam/policy_attachment.go

@@ -7,7 +7,6 @@ import (
 	"context"
 	"errors"
 	"log"
-	"reflect"
 
 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/service/iam"
@@ -22,6 +21,7 @@ import (
 	"github.com/hashicorp/terraform-provider-aws/internal/flex"
 	tfslices "github.com/hashicorp/terraform-provider-aws/internal/slices"
 	"github.com/hashicorp/terraform-provider-aws/internal/tfresource"
+	inttypes "github.com/hashicorp/terraform-provider-aws/internal/types"
 	"github.com/hashicorp/terraform-provider-aws/internal/verify"
 	"github.com/hashicorp/terraform-provider-aws/names"
 )
@@ -275,10 +275,10 @@ func detachPolicyFromUsers(ctx context.Context, conn *iam.Client, users []string
 }
 
 func findEntitiesForPolicyByARN(ctx context.Context, conn *iam.Client, arn string) ([]string, []string, []string, error) {
-	input := &iam.ListEntitiesForPolicyInput{
+	input := iam.ListEntitiesForPolicyInput{
 		PolicyArn: aws.String(arn),
 	}
-	groups, roles, users, err := findEntitiesForPolicy(ctx, conn, input)
+	groups, roles, users, err := findEntitiesForPolicy(ctx, conn, &input)
 
 	if err != nil {
 		return nil, nil, nil, err
@@ -316,17 +316,17 @@ func findEntitiesForPolicy(ctx context.Context, conn *iam.Client, input *iam.Lis
 		}
 
 		for _, v := range page.PolicyGroups {
-			if !reflect.ValueOf(v).IsZero() {
+			if p := &v; !inttypes.IsZero(p) {
 				groups = append(groups, v)
 			}
 		}
 		for _, v := range page.PolicyRoles {
-			if !reflect.ValueOf(v).IsZero() {
+			if p := &v; !inttypes.IsZero(p) {
 				roles = append(roles, v)
 			}
 		}
 		for _, v := range page.PolicyUsers {
-			if !reflect.ValueOf(v).IsZero() {
+			if p := &v; !inttypes.IsZero(p) {
 				users = append(users, v)
 			}
 		}