Re: [PATCH] fbdev: fbmem: Fix logo center image dx issue

From: Helge Deller
Date: Thu Jun 30 2022 - 02:52:32 EST


On 6/28/22 18:36, Guiling Deng wrote:
> Image.dx gets wrong value because of missing '()'.
>
> If xres == logo->width and n == 1, image.dx = -16.
>
> Signed-off-by: Guiling Deng <greens9@xxxxxxx>

Nice catch!

applied to the fbdev tree.

Thanks,
Helge

> ---
> drivers/video/fbdev/core/fbmem.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
> index c4a18322dee9..1fd2bdb11266 100644
> --- a/drivers/video/fbdev/core/fbmem.c
> +++ b/drivers/video/fbdev/core/fbmem.c
> @@ -511,7 +511,7 @@ static int fb_show_logo_line(struct fb_info *info, int rotate,
>
> while (n && (n * (logo->width + 8) - 8 > xres))
> --n;
> - image.dx = (xres - n * (logo->width + 8) - 8) / 2;
> + image.dx = (xres - (n * (logo->width + 8) - 8)) / 2;
> image.dy = y ?: (yres - logo->height) / 2;
> } else {
> image.dx = 0;