linux-kernel - Re: SYSFS "errors"

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Message-ID: <20130219141026.GB26748@pd.tnic>
Date:	Tue, 19 Feb 2013 15:10:26 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Hannes Reinecke <hare@...e.de>
Cc:	Felipe Balbi <balbi@...com>,
	Mauro Carvalho Chehab <mchehab@...hat.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"

On Tue, Feb 19, 2013 at 02:58:07PM +0100, Hannes Reinecke 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 is what we do now. We probably could add the permissions fiddling
out in the the code but remain using DEVICE_ATTR.

Thanks.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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