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From: Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>
To: Gerd Knorr <kraxel@bytesex.org>, linux-kernel@vger.kernel.org
Subject: Re: [patch] 2.5 videodev redesign -- #3
Date: Mon, 4 Mar 2002 19:45:41 +0100
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Am Montag, 4. M?rz 2002 13:50 schrieb Gerd Knorr:
> Gerd Knorr wrote:
> > > > Comments?  Bugs?  I plan to feed this to Linus soon ...
> > >
> > >  Hi,
> > >
> > >  it seems to me that you are not holding the BKL during
> > >  the open method of the individual driver. This will
> > >  cause races with unplugging on some USB cameras.
> >
> >  What race exactly?
>
> Ok, I've found one:  videodev_unregister() must be locked against
> video_open().  New version of the patch below.

OK. It seems that I took the principle of doing little changes only
too far. Thhis patch seems to solve the problem.

	Regards
		Oliver
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