Re: [PATCH] drm/exynos: Constify struct exynos_drm_ipp_funcs

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Hi Christophe JAILLET,

2024년 7월 14일 (일) 오후 4:37, Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx>님이 작성:
>
> 'struct exynos_drm_ipp_funcs' are not modified in these drivers.
>
> Constifying this structure moves some data to a read-only section, so
> increase overall security.
>
> On a x86_64, with allmodconfig, as an example:
> Before:
> ======
>    text    data     bss     dec     hex filename
>   20446    1746      16   22208    56c0 drivers/gpu/drm/exynos/exynos_drm_fimc.o
>
> After:
> =====
>    text    data     bss     dec     hex filename
>   20446    1714      16   22176    56a0 drivers/gpu/drm/exynos/exynos_drm_fimc.o
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Applied. Thank for contribution,
Inki Dae

> ---
> Compile tested-only.
> ---
>  drivers/gpu/drm/exynos/exynos_drm_fimc.c   | 2 +-
>  drivers/gpu/drm/exynos/exynos_drm_gsc.c    | 2 +-
>  drivers/gpu/drm/exynos/exynos_drm_scaler.c | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> index 142184c8c3bc..4d7ea65b7dd8 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
> @@ -1125,7 +1125,7 @@ static void fimc_abort(struct exynos_drm_ipp *ipp,
>         }
>  }
>
> -static struct exynos_drm_ipp_funcs ipp_funcs = {
> +static const struct exynos_drm_ipp_funcs ipp_funcs = {
>         .commit = fimc_commit,
>         .abort = fimc_abort,
>  };
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
> index 1b111e2c3347..d80b0d1eb734 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
> @@ -1162,7 +1162,7 @@ static void gsc_abort(struct exynos_drm_ipp *ipp,
>         }
>  }
>
> -static struct exynos_drm_ipp_funcs ipp_funcs = {
> +static const struct exynos_drm_ipp_funcs ipp_funcs = {
>         .commit = gsc_commit,
>         .abort = gsc_abort,
>  };
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
> index a9d469896824..2788105ac780 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
> @@ -403,7 +403,7 @@ static int scaler_commit(struct exynos_drm_ipp *ipp,
>         return 0;
>  }
>
> -static struct exynos_drm_ipp_funcs ipp_funcs = {
> +static const struct exynos_drm_ipp_funcs ipp_funcs = {
>         .commit = scaler_commit,
>  };
>
> --
> 2.45.2
>
>




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