Re: [Qemu-devel] [PATCH v5 02/11] qom: don't require user creatable objects to be registered

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 10/10/2018 17:11, Philippe Mathieu-Daudé wrote:
> On 09/10/2018 15:04, Daniel P. Berrangé wrote:
>> When an object is in turn owned by another user object, it is not
>> desirable to expose this in the QOM object hierarchy, as it is
>> just an internal implementation detail, we should be free to change
>> without exposure.
>>
>> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> 
> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> 
>> ---
>>  qom/object.c            | 12 ++++++++----
>>  qom/object_interfaces.c | 16 ++++++++++------
>>  2 files changed, 18 insertions(+), 10 deletions(-)
>>
>> diff --git a/qom/object.c b/qom/object.c
>> index 547dcf97c3..f20f0c45a7 100644
>> --- a/qom/object.c
>> +++ b/qom/object.c
>> @@ -607,15 +607,19 @@ Object *object_new_with_propv(const char *typename,
>>          goto error;
>>      }
>>  
>> -    object_property_add_child(parent, id, obj, &local_err);
>> -    if (local_err) {
>> -        goto error;
>> +    if (id != NULL) {
>> +        object_property_add_child(parent, id, obj, &local_err);
>> +        if (local_err) {
>> +            goto error;
>> +        }
>>      }
>>  
>>      if (object_dynamic_cast(obj, TYPE_USER_CREATABLE)) {
>>          user_creatable_complete(obj, &local_err);
>>          if (local_err) {
>> -            object_unparent(obj);
>> +            if (id != NULL) {
>> +                object_unparent(obj);
>> +            }
>>              goto error;
>>          }
>>      }
>> diff --git a/qom/object_interfaces.c b/qom/object_interfaces.c
>> index 941fd63afd..94d5f91d69 100644
>> --- a/qom/object_interfaces.c
>> +++ b/qom/object_interfaces.c
>> @@ -83,16 +83,20 @@ Object *user_creatable_add_type(const char *type, const char *id,
>>          goto out;
>>      }
>>  
>> -    object_property_add_child(object_get_objects_root(),
>> -                              id, obj, &local_err);
>> -    if (local_err) {
>> -        goto out;
>> +    if (id != NULL) {
>> +        object_property_add_child(object_get_objects_root(),
>> +                                  id, obj, &local_err);
>> +        if (local_err) {
>> +            goto out;
>> +        }
>>      }
>>  
>>      user_creatable_complete(obj, &local_err);
>>      if (local_err) {
>> -        object_property_del(object_get_objects_root(),
>> -                            id, &error_abort);
>> +        if (id != NULL) {
>> +            object_property_del(object_get_objects_root(),
>> +                                id, &error_abort);
>> +        }
>>          goto out;
>>      }
>>  out:
>>