linux-kernel - Re: [PATCH 1/5] uio: Fix lack of locking in init_uio

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Date:	Fri, 17 Sep 2010 22:49:20 +0200
From:	"Hans J. Koch" <hjk@...utronix.de>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	"Hans J. Koch" <hjk@...utronix.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] uio: Fix lack of locking in init_uio_class

On Fri, Sep 17, 2010 at 10:32:35PM +0200, Thomas Gleixner wrote:
> 
> 
> On Tue, 14 Sep 2010, Eric W. Biederman wrote:
> 
> > 
> > There is no locking in init_uio_class so multiple
> > drivers can race and create multiple uio classes.
> > 
> > Fix this by simplifying the code.   In particular always
> > register the uio class during module_init and make things
> > simpler.
> > 
> > Signed-off-by: Eric W. Biederman <ebiederm@...stanetworks.com>
> 
> Reviewed-by: Thomas Gleixner <tglx@...utronix.de>

Signed-off-by: Hans J. Koch <hjk@...utronix.de>
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