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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v3] net: af_packet: don't call tpacket_destruct_skb()
 until the skb is sent out
Date: Sun, 26 Sep 2010 18:22:08 -0700 (PDT)
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From: Jarek Poplawski <jarkao2@gmail.com>
Date: Fri, 24 Sep 2010 06:36:23 +0000

> af_packet could check some flag which guarantees the queued dev can do
> skb_orphan after the real xmit and copy buffers otherwise.

Jarek, we pre-orphan SKBs in the core way before device even gets
the packet.

So talking about device-specific situations where this could behave
differently has no sense.