On 1/1/20 6:49 PM, Julia Lawall wrote:
> Use resource_size rather than a verbose computation on
> the end and start fields.
> 
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> <smpl>
> @@ struct resource ptr; @@
> - (ptr.end - ptr.start + 1)
> + resource_size(&ptr)
> </smpl>
> 
> Signed-off-by: Julia Lawall <julia.law...@inria.fr>

Patch queued for v5.6 (with patch summary modified slightly to
reflect that this a change for cg14fb fbdev driver), thanks.
 
Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> ---
>  drivers/video/fbdev/cg14.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/video/fbdev/cg14.c b/drivers/video/fbdev/cg14.c
> index a620b51cf7d0..6a745eb46ca1 100644
> --- a/drivers/video/fbdev/cg14.c
> +++ b/drivers/video/fbdev/cg14.c
> @@ -509,8 +509,7 @@ static int cg14_probe(struct platform_device *op)
>       if (!par->regs || !par->clut || !par->cursor || !info->screen_base)
>               goto out_unmap_regs;
>  
> -     is_8mb = (((op->resource[1].end - op->resource[1].start) + 1) ==
> -               (8 * 1024 * 1024));
> +     is_8mb = (resource_size(&op->resource[1]) == (8 * 1024 * 1024));
>  
>       BUILD_BUG_ON(sizeof(par->mmap_map) != sizeof(__cg14_mmap_map));
>               
> 
> 
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