Il 19/02/2013 05:02, Peter Crosthwaite ha scritto:
> num_interfaces only tells you how many interfaces the concrete child class has
> (as defined in the TypeInfo). This means if you have a child class which
> defines
> no interfaces of its own, but its parent has interfaces you cannot cast to
> those
> parent interfaces.
>
> Fixed changing the guard to check the class->interfaces list instead (which is
> a complete flattened list of implemented interfaces).
>
> Signed-off-by: Peter Crosthwaite <peter.crosthwa...@xilinx.com>
> ---
> changed from v1:
> Change guard implementation rather than removed it (Paolo review)
>
> qom/object.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/qom/object.c b/qom/object.c
> index 4b72a64..3d638ff 100644
> --- a/qom/object.c
> +++ b/qom/object.c
> @@ -449,7 +449,8 @@ ObjectClass *object_class_dynamic_cast(ObjectClass *class,
> TypeImpl *type = class->type;
> ObjectClass *ret = NULL;
>
> - if (type->num_interfaces && type_is_ancestor(target_type,
> type_interface)) {
> + if (type->class->interfaces &&
> + type_is_ancestor(target_type, type_interface)) {
> int found = 0;
> GSList *i;
>
>
Series looks good, thanks!
Paolo
