On 08/30/2015 05:07 AM, Mauro Carvalho Chehab wrote:
> Interface links connected to an entity should be removed
> before being able of removing the entity.
>
> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
>
> diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
> index a91e1ec076a6..638c682b79c4 100644
> --- a/drivers/media/media-device.c
> +++ b/drivers/media/media-device.c
> @@ -618,14 +618,30 @@ void media_device_unregister_entity(struct media_entity
> *entity)
> return;
>
> spin_lock(&mdev->lock);
> +
> + /* Remove interface links with this entity on it */
> + list_for_each_entry_safe(link, tmp, &mdev->links, graph_obj.list) {
> + if (media_type(link->gobj1) == MEDIA_GRAPH_ENTITY
> + && link->entity == entity) {
I don't think you need the == MEDIA_GRAPH_ENTITY check here. That should always
be
true if link->entity == entity.
> + media_gobj_remove(&link->graph_obj);
> + kfree(link);
> + }
> + }
> +
> + /* Remove all data links that belong to this entity */
> list_for_each_entry_safe(link, tmp, &entity->links, list) {
> media_gobj_remove(&link->graph_obj);
> list_del(&link->list);
> kfree(link);
> }
> +
> + /* Remove all pads that belong to this entity */
> for (i = 0; i < entity->num_pads; i++)
> media_gobj_remove(&entity->pads[i].graph_obj);
> +
> + /* Remove the entity */
> media_gobj_remove(&entity->graph_obj);
> +
> spin_unlock(&mdev->lock);
> entity->graph_obj.mdev = NULL;
> }
>
Regards,
Hans
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