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@xxxxxxxxx> 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").