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

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Message-ID: <alpine.LFD.2.00.1009172231580.2416@localhost6.localdomain6>
Date:	Fri, 17 Sep 2010 22:32:35 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
cc:	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 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>
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