netdev - Re: SYSFS "errors"

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Date:	Tue, 19 Feb 2013 16:19:39 +0200
From:	Felipe Balbi <balbi@...com>
To:	Mauro Carvalho Chehab <mchehab@...hat.com>
CC:	Hannes Reinecke <hare@...e.de>, Borislav Petkov <bp@...en8.de>,
	Felipe Balbi <balbi@...com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...hat.com>, <JBottomley@...allels.com>,
	<linux-scsi@...r.kernel.org>, <davem@...emloft.net>,
	<netdev@...r.kernel.org>,
	Doug Thompson <dougthompson@...ssion.com>,
	<linux-edac@...r.kernel.org>, <rjw@...k.pl>,
	<linux-pm@...r.kernel.org>
Subject: Re: SYSFS "errors"

Hi,

On Tue, Feb 19, 2013 at 11:14:40AM -0300, Mauro Carvalho Chehab wrote:
> > Please consider adding a default attribute which return '-EINVAL' or 
> > somesuch when the function pointers are not set.
> > But _not_ adding it via device_create_file(). That's evil.
> 
> This thread started with Felipe's complain about it returning -ENOSYS ;)
> when this feature is not supported.

I was complaining about a file with read permission not being really
readable which is a fair bug IMHO.

-- 
balbi

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