On Thu, Nov 5, 2020 at 6:57 PM Lyude Paul wrote:
>
> Noticed this when trying to compile with -Wall on a kernel fork. We
> potentially
> don't set width here, which causes the compiler to complain about width
> potentially being uninitialized in drm_cvt_modes(). So, let's fix that.
>
> Changes since v1:
> * Don't emit an error as this code isn't reachable, just mark it as such
> Changes since v2:
> * Remove now unused variable
>
> Signed-off-by: Lyude Paul
>
> Cc: # v5.9+
> Fixes: 3f649ab728cd ("treewide: Remove uninitialized_var() usage")
> Signed-off-by: Lyude Paul
For the very little it's worth,
Reviewed-by: Ilia Mirkin
> ---
> drivers/gpu/drm/drm_edid.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
> index 631125b46e04..b84efd538a70 100644
> --- a/drivers/gpu/drm/drm_edid.c
> +++ b/drivers/gpu/drm/drm_edid.c
> @@ -3114,6 +3114,8 @@ static int drm_cvt_modes(struct drm_connector
> *connector,
> case 0x0c:
> width = height * 15 / 9;
> break;
> + default:
> + unreachable();
> }
>
> for (j = 1; j < 5; j++) {
> --
> 2.28.0
>
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