Re: [PATCH] util: Return void on iova_tree_remove

[Laurent Vivier]

Le 27/04/2022 à 17:49, Eugenio Pérez a écrit :
> It always returns IOVA_OK so nobody uses it.
>
> Acked-by: Jason Wang <jasowang@redhat.com>
> Reviewed-by: Peter Xu <peterx@redhat.com>
> Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
> ---
>   include/qemu/iova-tree.h | 4 +---
>   util/iova-tree.c         | 4 +---
>   2 files changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/include/qemu/iova-tree.h b/include/qemu/iova-tree.h
> index c938fb0793..16bbfdf5f8 100644
> --- a/include/qemu/iova-tree.h
> +++ b/include/qemu/iova-tree.h
> @@ -72,10 +72,8 @@ int iova_tree_insert(IOVATree *tree, const DMAMap *map);
>    * provided.  The range does not need to be exactly what has inserted,
>    * all the mappings that are included in the provided range will be
>    * removed from the tree.  Here map->translated_addr is meaningless.
> - *
> - * Return: 0 if succeeded, or <0 if error.
>    */
> -int iova_tree_remove(IOVATree *tree, const DMAMap *map);
> +void iova_tree_remove(IOVATree *tree, const DMAMap *map);
>
>   /**
>    * iova_tree_find:
> diff --git a/util/iova-tree.c b/util/iova-tree.c
> index 6dff29c1f6..fee530a579 100644
> --- a/util/iova-tree.c
> +++ b/util/iova-tree.c
> @@ -164,15 +164,13 @@ void iova_tree_foreach(IOVATree *tree, iova_tree_iterator 
> iterator)
>       g_tree_foreach(tree->tree, iova_tree_traverse, iterator);
>   }
>
> -int iova_tree_remove(IOVATree *tree, const DMAMap *map)
> +void iova_tree_remove(IOVATree *tree, const DMAMap *map)
>   {
>       const DMAMap *overlap;
>
>       while ((overlap = iova_tree_find(tree, map))) {
>           g_tree_remove(tree->tree, overlap);
>       }
> -
> -    return IOVA_OK;
>   }
>
>   /**
> --
> 2.27.0

Applied to my trivial-patches branch.

Thanks,
Laurent