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Date: Wed, 4 May 2016 16:59:11 +0200
From: Linus =?utf-8?Q?L=C3=BCssing?= <linus.luessing@c0d3.blue>
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Subject: Re: [Bridge] [PATCH net] bridge: fix igmp / mld query parsing
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To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Simon Wunderlich <sw@simonwunderlich.de>, netdev@vger.kernel.org, bridge@lists.linux-foundation.org, "David S . Miller" <davem@davemloft.net>, linux-kernel@vger.kernel.org

On Tue, May 03, 2016 at 01:26:23PM -0700, Stephen Hemminger wrote:
> On Tue,  3 May 2016 22:18:54 +0200
> Linus Lüssing <linus.luessing@c0d3.blue> wrote:
> 
> > diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
> > index 03661d9..7105cdf 100644
> > --- a/net/bridge/br_multicast.c
> > +++ b/net/bridge/br_multicast.c
> > @@ -1271,6 +1271,7 @@ static int br_ip4_multicast_query(struct net_bridge *br,
> >  	unsigned long max_delay;
> >  	unsigned long now = jiffies;
> >  	__be32 group;
> > +	int offset = skb_transport_offset(skb);
> shouldn't this be unsigned?

Yes, should always be unsigned here.

Ok, I'm changing that (even though skb_transport_offset() is "static
inline int").