Re: [Linux-fbdev-devel] [PATCH 3/3] drivers/video: Correct use ofrequest_region/request_mem_region

From: Ralf Baechle
Date: Sun Oct 11 2009 - 20:29:31 EST


On Sun, Aug 09, 2009 at 11:42:32AM +0200, Julia Lawall wrote:

> From: Julia Lawall <julia@xxxxxxx>
>
> request_region should be used with release_region, not request_mem_region.
>
> Geert Uytterhoeven pointed out that in the case of drivers/video/gbefb.c,
> the problem is actually the other way around; request_mem_region should be
> used instead of request_region.
>
> The semantic patch that finds/fixes this problem is as follows:
> (http://coccinelle.lip6.fr/)
>
> // <smpl>
> @r1@
> expression start;
> @@
>
> request_region(start,...)
>
> @b1@
> expression r1.start;
> @@
>
> request_mem_region(start,...)
>
> @depends on !b1@
> expression r1.start;
> expression E;
> @@
>
> - release_mem_region
> + release_region
> (start,E)
> // </smpl>
>
> Signed-off-by: Julia Lawall <julia@xxxxxxx>

Any reason this still hasn't been applied?

Ralf
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