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From: Josh Hunt <johunt@akamai.com>
To: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>,
	Hajime Tazaki <thehajime@gmail.com>,
	davem@davemloft.net
Cc: kuznet@ms2.inr.ac.ru, jmorris@namei.org, kaber@trash.net,
	netdev@vger.kernel.org, sergei.shtylyov@cogentembedded.com,
	tom@herbertland.com
Subject: Re: [PATCH v3] ipv6: Fix protocol resubmission
Date: Wed, 10 Jun 2015 10:23:51 -0500	[thread overview]
Message-ID: <55785687.90601@akamai.com> (raw)
In-Reply-To: <557854BB.1090605@linux-ipv6.org>

On 06/10/2015 10:16 AM, YOSHIFUJI Hideaki wrote:
> Hi,
>
> Josh Hunt wrote:
>>
>> Hajime
>>
>> Thanks for the report. I mentioned in an earlier post this might be a problem.
>>
>> Dave, what if we restore the old behavior, but add a new label to handle the case where the decapsulating protocol returns the nexthdr value? Allowing for migration over to this method over time. I've pasted in a patch doing so below.
>
> I think it is insufficient because IPv6 stack already uses
> positive value, 0 and negative values.
>

Where does it use a negative value?

ret is only checked to be > or == to 0. I don't see any checks or code 
handling a return value of < 0 prior to my patch.

If something does return a negative value should it since nothing 
happens with it?

Josh

  reply	other threads:[~2015-06-10 15:23 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-08 16:00 [PATCH v3] ipv6: Fix protocol resubmission Josh Hunt
2015-06-08 16:10 ` Tom Herbert
2015-06-08 19:16 ` David Miller
2015-06-10  4:24   ` Hajime Tazaki
2015-06-10  4:53     ` YOSHIFUJI Hideaki
2015-06-10 13:22     ` Josh Hunt
2015-06-10 15:16       ` YOSHIFUJI Hideaki
2015-06-10 15:23         ` Josh Hunt [this message]
2015-06-10 15:53           ` Josh Hunt
2015-06-10 21:57         ` Josh Hunt
2015-06-10 22:30           ` David Miller
2015-06-11 13:05           ` Hajime Tazaki
2015-06-11 15:32             ` Josh Hunt

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