From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Westphal <fw@strlen.de>
Subject: Re: [PATCH nf-next] netfilter: nf_dup4: remove redundant checksum
 recalculation
Date: Sat, 30 Jul 2016 15:17:06 +0200
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References: <1469879052-15378-1-git-send-email-zlpnobody@163.com>
 <20160730131317.GA29291@breakpoint.cc>
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Cc: Liping Zhang <zlpnobody@163.com>, pablo@netfilter.org,
	netfilter-devel@vger.kernel.org,
	Liping Zhang <liping.zhang@spreadtrum.com>
To: Florian Westphal <fw@strlen.de>
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Florian Westphal <fw@strlen.de> wrote:
> Liping Zhang <zlpnobody@163.com> wrote:
> > From: Liping Zhang <liping.zhang@spreadtrum.com>
> > 
> > IP header checksum will be recalculated at ip_local_out, so
> 
> Thats only called for local packets.

Nevermind, nft_dup indeed uses ip_local_out, patch looks correct.