> From: Nicolin Chen <nicolinc@xxxxxxxxxx>
> Sent: Wednesday, February 8, 2023 5:18 AM
>
> @@ -141,10 +141,19 @@ static const struct iommufd_access_ops
> vfio_user_ops = {
> int vfio_iommufd_emulated_bind(struct vfio_device *vdev,
> struct iommufd_ctx *ictx, u32 *out_device_id)
> {
> + struct iommufd_access *user;
> +
> lockdep_assert_held(&vdev->dev_set->lock);
>
> - vdev->iommufd_ictx = ictx;
> iommufd_ctx_get(ictx);
> + user = iommufd_access_create(vdev->iommufd_ictx, &vfio_user_ops,
> vdev);
> + if (IS_ERR(user)) {
> + iommufd_ctx_put(vdev->iommufd_ictx);
> + return PTR_ERR(user);
> + }
> + iommufd_access_set_ioas(user, 0);
this is not required since ioas has been NULL after creation.
otherwise,
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
