[PATCH v2 13/14] iommufd: Introduce iommufd_object_alloc_ucmd helpery

[Pranjal Shrivastava]

On Fri, Jun 13, 2025 at 11:35:25PM -0700, Nicolin Chen wrote:
> An object allocator needs to call either iommufd_object_finalize() upon a
> success or iommufd_object_abort_and_destroy() upon an error code.
> 
> To reduce duplication, store a new_obj in the struct iommufd_ucmd and call
> iommufd_object_finalize/iommufd_object_abort_and_destroy() accordingly in
> the main function.
> 
> Similar to iommufd_object_alloc() and __iommufd_object_alloc(), add a pair
> of helpers: __iommufd_object_alloc_ucmd() and iommufd_object_alloc_ucmd().
> 
> Suggested-by: Jason Gunthorpe <jgg at nvidia.com>
> Reviewed-by: Kevin Tian <kevin.tian at intel.com>
> Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>
> ---
>  drivers/iommu/iommufd/iommufd_private.h | 26 +++++++++++++++++++++++++
>  drivers/iommu/iommufd/main.c            | 25 ++++++++++++++++++++++++
>  2 files changed, 51 insertions(+)
> 
> -- 

Acked-by: Pranjal Shrivastava <praan at google.com>

> 2.43.0
>