Re: [PATCH 28/29] drivers/input/{keyboard,serio}: simplify use of devm_ioremap_resource

From: Viresh Kumar
Date: Wed Aug 14 2013 - 07:21:38 EST


On Wed, Aug 14, 2013 at 4:33 PM, Julia Lawall <Julia.Lawall@xxxxxxx> wrote:
> From: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> Remove unneeded error handling on the result of a call to
> platform_get_resource when the value is passed to devm_ioremap_resource.
>
> Move the call to platform_get_resource adjacent to the call to
> devm_ioremap_resource to make the connection between them more clear.
>
> A simplified version of the semantic patch that makes this change is as
> follows: (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @@
> expression pdev,res,n,e,e1;
> expression ret != 0;
> identifier l;
> @@
>
> - res = platform_get_resource(pdev, IORESOURCE_MEM, n);
> ... when != res
> - if (res == NULL) { ... \(goto l;\|return ret;\) }
> ... when != res
> + res = platform_get_resource(pdev, IORESOURCE_MEM, n);
> e = devm_ioremap_resource(e1, res);
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
>
> ---

> drivers/input/keyboard/spear-keyboard.c | 7 +------

For SPEAr:

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/