linux-kernel - Re: [linux-usb-devel] USB-related oops in sysfs with linux v2.6.23-rc3-50-g28e8351

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Message-ID: <20070815172133.4f2eeda8@gondolin.boeblingen.de.ibm.com>
Date:	Wed, 15 Aug 2007 17:21:33 +0200
From:	Cornelia Huck <cornelia.huck@...ibm.com>
To:	Tejun Heo <htejun@...il.com>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	Florin Iucha <florin@...ha.net>,
	USB development list <linux-usb-devel@...ts.sourceforge.net>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>,
	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	"Randy. Dunlap" <rdunlap@...otime.net>
Subject: Re: [linux-usb-devel] USB-related oops in sysfs with linux
 v2.6.23-rc3-50-g28e8351

On Wed, 15 Aug 2007 23:54:43 +0900,
Tejun Heo <htejun@...il.com> wrote:

> Alan Stern wrote:
> > I think we can simply remove the error message.  There's no obvious 
> > reason why sysfs_remove_bin_file() should complain about attempts to 
> > remove a nonexistent file; sysfs_remove_file() doesn't.
> > 
> > This patch will get rid of the annoying error messages.  It won't do 
> > anything about your keyboard's tendency to spontaneously stop working, 
> > alas.
> 
> Agreed but I think sysfs_remove_bin_file() should relay the return value
> from sysfs_has_and_remove() to the caller.

Three comments:

- Randy made sysfs_remove_bin_file() return void in commit
995982ca79d9262869513948ec7c540f32035491.

- For symmetry reasons, sysfs_remove_file() should then also pass the
return value on.

- I'm not sure who wants to care whether they removed an existing or
non-existing file. But maybe I'm just unimaginative.
-
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