linux-kernel - Re: [PATCH] Firmware class name collision

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Message-ID: <20070813152251.032fb302@hyperion.delvare>
Date:	Mon, 13 Aug 2007 15:22:51 +0200
From:	Jean Delvare <khali@...ux-fr.org>
To:	"Markus Rechberger" <markus.rechberger@....com>
Cc:	linux-kernel@...r.kernel.org, "Greg KH" <greg@...ah.com>
Subject: Re: [PATCH] Firmware class name collision

Hi Markus,

On Mon, 13 Aug 2007 15:11:50 +0200, Markus Rechberger wrote:
> following patch fixes the i2c name collision with i2c-dev.
> 
> http://mcentral.de/wiki/index.php/Bugtracker#i2c_core_problem
> 
> This issue has been experienced with em28xx and saa7133 based devices.
> I discussed that problem with Jean Delvare a while ago and he proposed 
> to add a prefix to the class name.
> 
> http://mcentral.de/~mrec/patches/firmware_class_name_collision.diff
> 
> Signed-off-by: Markus Rechberger <markus.rechberger@....com>

Acked-by: Jean Delvare <khali@...ux-fr.org>

> 
> index b24efd4..bfc54a1 100644
> --- a/drivers/base/firmware_class.c
> +++ b/drivers/base/firmware_class.c
> @@ -297,8 +297,7 @@ firmware_class_timeout(u_long data)
>  
>  static inline void fw_setup_device_id(struct device *f_dev, struct 
> device *dev)
>  {
> -       /* XXX warning we should watch out for name collisions */
> -       strlcpy(f_dev->bus_id, dev->bus_id, BUS_ID_SIZE);
> +       snprintf(f_dev->bus_id, BUS_ID_SIZE, "fw-%s", dev->bus_id);
>  }
>  
>  static int fw_register_device(struct device **dev_p, const char *fw_name,


-- 
Jean Delvare
-
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