[PATCH] drm/bridge: Constify struct i2c_device_id

Doug Anderson dianders at chromium.org
Wed Nov 20 23:18:08 UTC 2024


Hi,

On Tue, Nov 12, 2024 at 1:12 PM Christophe JAILLET
<christophe.jaillet at wanadoo.fr> wrote:
>
> 'struct i2c_device_id' is 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
>   15566     987      32   16585    40c9 drivers/gpu/drm/bridge/chipone-icn6211.o
>
> After:
> =====
>    text    data     bss     dec     hex filename
>   15630     923      32   16585    40c9 drivers/gpu/drm/bridge/chipone-icn6211.o
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet at wanadoo.fr>
> ---
> Compile tested-only.
> ---
>  drivers/gpu/drm/bridge/chipone-icn6211.c   | 2 +-
>  drivers/gpu/drm/bridge/lontium-lt9211.c    | 2 +-
>  drivers/gpu/drm/bridge/lontium-lt9611.c    | 2 +-
>  drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 2 +-
>  drivers/gpu/drm/bridge/ti-sn65dsi83.c      | 2 +-
>  drivers/gpu/drm/bridge/ti-sn65dsi86.c      | 2 +-
>  6 files changed, 6 insertions(+), 6 deletions(-)

I figured it didn't hurt if I just pushed this so I did. Now in drm-misc-next:

[1/1] drm/bridge: Constify struct i2c_device_id
      commit: dbf7986f8a56ce47465bb6e0f2b2d166b931d707

-Doug


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