diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c
index b38a097344fb..117eedb6f709 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -6187,20 +6187,13 @@ int hci_get_random_address(struct hci_dev *hdev, bool require_privacy,
 
 static int _update_adv_data_sync(struct hci_dev *hdev, void *data)
 {
-	u8 instance = *(u8 *)data;
-
-	kfree(data);
+	u8 instance = PTR_ERR(data);
 
 	return hci_update_adv_data_sync(hdev, instance);
 }
 
 int hci_update_adv_data(struct hci_dev *hdev, u8 instance)
 {
-	u8 *inst_ptr = kmalloc(1, GFP_KERNEL);
-
-	if (!inst_ptr)
-		return -ENOMEM;
-
-	*inst_ptr = instance;
-	return hci_cmd_sync_queue(hdev, _update_adv_data_sync, inst_ptr, NULL);
+	return hci_cmd_sync_queue(hdev, _update_adv_data_sync,
+				  ERR_PTR(instance), NULL);
 }