fix

Signed-off-by: v.oleynikov <vasily.oleynikov@flant.com>

images/webhooks/src/validators/storageClassUpdate.go

@@ -44,10 +44,10 @@ func StorageClassUpdate(ctx context.Context, _ *model.AdmissionReview, obj metav
 	}
 
 	if thickExists == true && thinExists == true {
-		return &kwhvalidating.ValidatorResult{Valid: false}, errors.New("there must be only thin or thick pools simultaneously")
+		return &kwhvalidating.ValidatorResult{Valid: false},
+			errors.New("there must be only thin or thick pools simultaneously")
+	} else {
+		return &kwhvalidating.ValidatorResult{Valid: true},
+			nil
 	}
-
-	return &kwhvalidating.ValidatorResult{
-		Valid: true,
-	}, nil
 }