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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 2.6.34-rc6] net: Improve ks8851 snl transmit performance
Date: Mon, 24 May 2010 10:44:50 -0700 (PDT)
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From: "Ha, Tristram" <Tristram.Ha@Micrel.Com>
Date: Mon, 24 May 2010 10:28:40 -0700

> As the socket buffer is accepted by the lowest level network driver and
> reaches the end of its life, I think using one of its variables
> temporarily does not cause any harm.

The packet can be referenced by packet sniffers and other entities in
the kernel.