linux-kernel - Re: [PATCH] i2c: i2c-dev: Create 'name' attribute automatically

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Date:	Thu, 26 Sep 2013 10:28:35 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: i2c-dev: Create 'name' attribute automatically

Hi,

> > What race condition?
> > 
> 
> Userspace trying to access the name attribute before it is created.
> See http://kroah.com/log/blog/2013/06/26/how-to-create-a-sysfs-file-correctly/

Thanks!

> > Have you tried this with two instances? I don't think it will work since
> > class_register modifies the class struct.
> > 
> Half a dozen instances, actually. Unless I am missing something, seems to be

My bad. Sorry for the noise.

> Anyway, the patch is obsolete; one is supposed to use class->dev_groups now.

Are you willing to update the patch?

Thanks,

   Wolfram


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