[igt-dev] [PATCH i-g-t v26 01/35] lib/igt_list: Add igt_list_del_init()

[Jason Ekstrand]

Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>

On Wed, Mar 17, 2021 at 9:46 AM Zbigniew Kempczyński
<zbigniew.kempczynski at intel.com> wrote:
>
> Add helper function for delete and reinitialize list element.
>
> Signed-off-by: Zbigniew Kempczyński <zbigniew.kempczynski at intel.com>
> Cc: Petri Latvala <petri.latvala at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
> Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
> ---
>  lib/igt_list.c | 6 ++++++
>  lib/igt_list.h | 1 +
>  2 files changed, 7 insertions(+)
>
> diff --git a/lib/igt_list.c b/lib/igt_list.c
> index 5e30b19b6..37ae139c4 100644
> --- a/lib/igt_list.c
> +++ b/lib/igt_list.c
> @@ -46,6 +46,12 @@ void igt_list_del(struct igt_list_head *elem)
>         elem->prev = NULL;
>  }
>
> +void igt_list_del_init(struct igt_list_head *elem)
> +{
> +       igt_list_del(elem);
> +       IGT_INIT_LIST_HEAD(elem);
> +}
> +
>  void igt_list_move(struct igt_list_head *elem, struct igt_list_head *list)
>  {
>         igt_list_del(elem);
> diff --git a/lib/igt_list.h b/lib/igt_list.h
> index dbf5f802c..cc93d7a0d 100644
> --- a/lib/igt_list.h
> +++ b/lib/igt_list.h
> @@ -75,6 +75,7 @@ struct igt_list_head {
>  void IGT_INIT_LIST_HEAD(struct igt_list_head *head);
>  void igt_list_add(struct igt_list_head *elem, struct igt_list_head *head);
>  void igt_list_del(struct igt_list_head *elem);
> +void igt_list_del_init(struct igt_list_head *elem);
>  void igt_list_move(struct igt_list_head *elem, struct igt_list_head *list);
>  void igt_list_move_tail(struct igt_list_head *elem, struct igt_list_head *list);
>  int igt_list_length(const struct igt_list_head *head);
> --
> 2.26.0
>