linux-kernel - Re: [PATCH v2] Driver core: convert platform_{get,set}

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20110217084705.GA7435@pengutronix.de>
Date:	Thu, 17 Feb 2011 09:47:05 +0100
From:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
To:	Marc Kleine-Budde <mkl@...gutronix.de>
Cc:	linux-kernel@...r.kernel.org, kernel@...gutronix.de,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2] Driver core: convert platform_{get,set}_drvdata to
 static inline functions

Hello,

On Wed, Feb 16, 2011 at 11:23:27PM +0100, Marc Kleine-Budde wrote:
> This patch converts the macros for platform_{get,set}_drvdata to
> static inline functions to add typechecking.
> 
> Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
> ---
> Changes since v1:
> - remove ugly macro magic, use static inline functions instead
> 
>  include/linux/platform_device.h |   11 +++++++++--
>  1 files changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
> index 2e700ec..d96db98 100644
> --- a/include/linux/platform_device.h
> +++ b/include/linux/platform_device.h
> @@ -130,8 +130,15 @@ extern void platform_driver_unregister(struct platform_driver *);
>  extern int platform_driver_probe(struct platform_driver *driver,
>  		int (*probe)(struct platform_device *));
>  
> -#define platform_get_drvdata(_dev)	dev_get_drvdata(&(_dev)->dev)
> -#define platform_set_drvdata(_dev,data)	dev_set_drvdata(&(_dev)->dev, (data))
> +static inline void *platform_get_drvdata(const struct platform_device *pdev)
> +{
> +	return dev_get_drvdata(&pdev->dev);
> +}
> +
> +static inline void platform_set_drvdata(struct platform_device *pdev, void *data)
> +{
> +	dev_set_drvdata(&pdev->dev, data);
> +}
Another improvement would be to make dev_set_drvdata and
platform_set_drvdata return an int (as dev_set_drvdata can fail) (and
then maybe mark it __must_check).

Other than that,

Acked-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/