linux-kernel - Re: WARNING: at fs/sysfs/dir.c:451 sysfs_add_one: sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:01.0/slot'

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Date:	Tue, 13 Apr 2010 22:10:17 -0700
From:	Greg KH <gregkh@...e.de>
To:	Alex Chiang <achiang@...onical.com>,
	Eric Paris <eparis@...hat.com>, linux-kernel@...r.kernel.org,
	jbarnes@...tuousgeek.org
Subject: Re: WARNING: at fs/sysfs/dir.c:451 sysfs_add_one: sysfs: cannot
	create duplicate filename '/devices/pci0000:00/0000:00:01.0/slot'

On Tue, Apr 13, 2010 at 07:33:34PM -0600, Alex Chiang wrote:
> * Eric Paris <eparis@...hat.com>:
> > 
> > I get one for 1.0, 1.1, 1.2, 2.0, 3.0, 4.0, 5.0.  Below I only show the
> > example for 1.0.  Attached should be the full dmesg and config.  Please
> > let me know about any ideas, tests, questions, or things I can do to
> > help debug the spew....
> 
> These come from a patch I wrote, but unfortunately, I don't have
> the time or hardware to properly debug them. :(

It should be simple, for any dynamically allocated sysfs attribute, just
call sysfs_attribute_initialize() before registering it with the sysfs
core, and you will get rid of these messages.

If you have a pointer to your patch, I'll be glad to generate an add-on
patch to resolve this issue.

thanks,

greg k-h
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