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

From: Stephen Hemminger <[email-masked]>
Date: Thu, 13 Dec 2012 16:12:01 -0800

On Fri, 14 Dec 2012 08:07:01 +0800
Ang Way Chuang <[email-masked]> 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 <[email-masked]>
> ---
> 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.