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Date:	Thu, 3 Jun 2010 22:58:11 +1000
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	jamal <hadi@...erus.ca>
Cc:	Jiri Pirko <jpirko@...hat.com>, netdev@...r.kernel.org,
	davem@...emloft.net, kaber@...sh.net
Subject: Re: Question about an assignment in handle_ing()

On Thu, Jun 03, 2010 at 08:53:14AM -0400, jamal wrote:
>
> I dont see the problem of when tcpdump sees the packet first.
> pedit doesnt care if it is cloned or not.
> What i am worried about - and couldnt parse in your email - is:
> What happens when pedit gets to it first? would skb_cloned() be true
> always/guaranteed?

Yes that's what I've been saying all along.  As long as the skb
is still held in the af_packet socket queue, pedit will see the
skb as cloned.  Only when tcpdump has done a recv(2) and liberated
the skb from the queue, will skb_cloned return false.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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