[PATCH 03/12] drm/panic: Return -EINVAL if font is not available

[Jocelyn Falempe]

On 18/08/2026 14:28, Thomas Zimmermann wrote:
> Font lookup does not allocate memory. Hence reporting ENOMEM on
> failed lookups is misleading. Report EINVAL instead.

Thanks, it looks good to me.

Reviewed-by: Jocelyn Falempe <jfalempe at redhat.com>
> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>   drivers/gpu/drm/drm_panic.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c
> index 705b72bf0d83..96d238bfceee 100644
> --- a/drivers/gpu/drm/drm_panic.c
> +++ b/drivers/gpu/drm/drm_panic.c
> @@ -757,8 +757,10 @@ static int _draw_panic_screen_qr_code(struct drm_scanout_buffer *sb)
>   	int qr_width, qr_canvas_width, qr_pitch, v_margin;
>   	u8 *qr_image;
>   
> -	if (!font || !stream.workspace)
> +	if (!stream.workspace)
>   		return -ENOMEM;
> +	if (!font)
> +		return -EINVAL;
>   
>   	r_screen = DRM_RECT_INIT(0, 0, sb->width, sb->height);
>