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Date: Fri, 7 Dec 2001 08:59:58 -0700
Message-Id: <200112071559.fB7FxwR14021@vindaloo.ras.ucalgary.ca>
From: Richard Gooch <rgooch@ras.ucalgary.ca>
To: Roman Zippel <zippel@linux-m68k.org>
Cc: Rene Rebe <rene.rebe@gmx.net>, <linux-kernel@vger.kernel.org>,
        <alsa-devel@lists.sourceforge.net>
Subject: Re: devfs unable to handle permission: 2.4.17-pre[4,5] /
 ALSA-0.9.0beta[9,10]
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Roman Zippel writes:
> Hi,
> 
> On Thu, 6 Dec 2001, Richard Gooch wrote:
> 
> > Two possibilities:
> >
> > - the module is trying to register "unknown" twice. The old devfs core
> >   was forgiving about this (although it was always a driver bug to
> >   attempt to create a duplicate). The new core won't let you do that.
> >   Error 17 is EEXIST. Please fix the driver
> >
> > - something in user-space created the "unknown" inode before the
> >   driver could create it. This is a configuration bug.
> 
> Option 3:
> Turn a user generated entry into a kernel generated one and return
> 0.  Prepopulating devfs was a valid option so far, you cannot simply
> change this during a stable kernel release.

Well, no, it was never a valid option. It was always a bug. In any
case, the stricter behaviour isn't preventing people from using their
drivers, it's just issuing a warning. The user-space created device
node still works.

				Regards,

					Richard....
Permanent: rgooch@atnf.csiro.au
Current:   rgooch@ras.ucalgary.ca
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