linux-kernel - Re: sysfs file creation result nightmare

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Message-Id: <20061215123103.adfbd78b.akpm@osdl.org>
Date:	Fri, 15 Dec 2006 12:31:03 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
Cc:	Jean Delvare <khali@...ux-fr.org>,
	Olivier Galibert <galibert@...ox.com>,
	Paul Mackerras <paulus@...ba.org>,
	Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: sysfs file creation result nightmare

On Sat, 16 Dec 2006 07:16:13 +1100
Benjamin Herrenschmidt <benh@...nel.crashing.org> wrote:

> > Beware that sysfs_remove_bin_file() will complain loudly if you later
> > attempt to delete that file that was never created.
> 
> That's another problem... what is a driver that creates 15 files
> supposed to do ? Have 15 booleans to remember which files where
> successfully created and then test all of them on cleanup ? That sounds
> like even more bloat to me...

That's the sort of thing which should be done inside sysfs_create_group()
and sysfs_remove_group().
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