linux-kernel - Re: [bisected] Re: WARNING: at net/ipv4/devinet.c:1599

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Date:	Tue, 04 Feb 2014 20:41:24 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	geert@...ux-m68k.org
Cc:	cwang@...pensource.com, jiri@...nulli.us, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [bisected] Re: WARNING: at net/ipv4/devinet.c:1599

From: Geert Uytterhoeven <geert@...ux-m68k.org>
Date: Tue, 4 Feb 2014 21:03:24 +0100

> On Tue, Feb 4, 2014 at 8:20 PM, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>> On Tue, Feb 4, 2014 at 7:08 PM, Cong Wang <cwang@...pensource.com> wrote:
>>> On Tue, Feb 4, 2014 at 6:19 AM, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
>>>>
>>>> Anyone with a clue?
>>>>
>>>
>>> Looks like we need:
>>>
>>> diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
>>> index ac2dff3..bdbf68b 100644
>>> --- a/net/ipv4/devinet.c
>>> +++ b/net/ipv4/devinet.c
>>> @@ -1443,7 +1443,8 @@ static size_t inet_nlmsg_size(void)
>>>                + nla_total_size(4) /* IFA_LOCAL */
>>>                + nla_total_size(4) /* IFA_BROADCAST */
>>>                + nla_total_size(IFNAMSIZ) /* IFA_LABEL */
>>> -              + nla_total_size(4);  /* IFA_FLAGS */
>>> +              + nla_total_size(4)  /* IFA_FLAGS */
>>> +              + nla_total_size(sizeof(struct ifa_cacheinfo)); /*
>>> IFA_CACHEINFO */
>>>  }
>>
>> Thanks for your suggestion, but it doesn't help :-(
> 
> Bummer, I applied it to the wrong tree.
> 
> Yes, it works, thanks a lot!
> 
> David, Jiri, is this the right fix, or just a band-aid?

It looks correct, and if you look ipv6 does this correctly already,
someone please submit this formally.
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