linux-kernel - Re: [PATCH] virtio_net: use correct accessors for scatterlists

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Message-Id: <20090126.210055.104964648.davem@davemloft.net>
Date:	Mon, 26 Jan 2009 21:00:55 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	rusty@...tcorp.com.au
Cc:	iws@...o.caltech.edu, linux-kernel@...r.kernel.org,
	markmc@...hat.com, netdev@...r.kernel.org
Subject: Re: [PATCH] virtio_net: use correct accessors for scatterlists

From: Rusty Russell <rusty@...tcorp.com.au>
Date: Tue, 27 Jan 2009 15:21:19 +1030

> On Saturday 24 January 2009 10:40:53 Ira Snyder wrote:
> > Without this fix, virtio_net makes incorrect usage of scatterlists. It sets
> > the end of the scatterlist chain after the first element, despite the fact
> > that more entries come after it.
> > 
> > If you try to run dma_map_sg() on one of the scatterlists given to you by
> > add_buf(), you will get a null pointer oops.
> > 
> > Signed-off-by: Ira W. Snyder <iws@...o.caltech.edu>
> 
> Thanks, this should go in 2.6.29.  Dave?

Applied, should I queue it up for -stable too Rusty?

Thanks.
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