netdev - Re: [PATCH] bridge: Bug fix for incorrect interpretation of MLDv2 maximum response code

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Date:	Fri, 14 Dec 2012 08:19:04 +0800
From:	Ang Way Chuang <wcang@....wide.ad.jp>
To:	Stephen Hemminger <shemminger@...tta.com>
CC:	netdev@...r.kernel.org, bridge@...ts.linux-foundation.org
Subject: Re: [PATCH] bridge: Bug fix for incorrect interpretation of MLDv2
 maximum response code

On 14/12/2012 08:12, Stephen Hemminger wrote:
> On Fri, 14 Dec 2012 08:07:01 +0800
> Ang Way Chuang <wcang@....wide.ad.jp> wrote:
>
>> This patch fixes the incorrect interpretation of endianness of MLDv2 maximum response
>> code within bridge's multicast snooping code.
>>
>> Signed-off-by: Ang Way Chuang <wcang@....wide.ad.jp>
>> ---
>> diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
>> index 977c3ee..29c6283 100644
>> --- a/net/bridge/br_multicast.c
>> +++ b/net/bridge/br_multicast.c
>> @@ -1172,7 +1172,7 @@ static int br_ip6_multicast_query(struct net_bridge *br,
>>  		mld2q = (struct mld2_query *)icmp6_hdr(skb);
>>  		if (!mld2q->mld2q_nsrcs)
>>  			group = &mld2q->mld2q_mca;
>> -		max_delay = mld2q->mld2q_mrc ? MLDV2_MRC(mld2q->mld2q_mrc) : 1;
>> +		max_delay = mld2q->mld2q_mrc ? MLDV2_MRC(ntohs(mld2q->mld2q_mrc)) : 1;
>>  	}
>>  
>>  	if (!group)
> Already fixed as part of my patch to fix sparse warnings.
> --
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aye, aye.
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