Re: [PATCH 1/1] netfilter: ipset: bitmap:ip,mac: fix listing with timeout

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Hi Pablo,

On Tue, 16 Apr 2013, Pablo Neira Ayuso wrote:

> On Sat, Apr 13, 2013 at 02:51:14PM +0200, Jozsef Kadlecsik wrote:
> > The type when timeout support was enabled, could not list all elements,
> > just the first ones which could fit into one netlink message: it just
> > did not continue listing after the first message.
> >
> > Signed-off-by: Jozsef Kadlecsik <kadlec@xxxxxxxxxxxxxxxxx>
> > ---
> >  net/netfilter/ipset/ip_set_bitmap_ipmac.c |    6 +++++-
> >  1 files changed, 5 insertions(+), 1 deletions(-)
> >
> > diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
> > index 0f92dc2..d7df6ac 100644
> > --- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
> > +++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
> > @@ -339,7 +339,11 @@ bitmap_ipmac_tlist(const struct ip_set *set,
> >  nla_put_failure:
> >  	nla_nest_cancel(skb, nested);
> >  	ipset_nest_end(skb, atd);
> 
> I think this ipset_nest_end should be after the id == first checking.
> It doesn't make sense for the -EMSGSIZE case.

Yes, that could be moved there - candidate for the nf-next tree?
 
> BTW, in the first message, where `first' is unset, id will never equal
> first and you will always return success even if you could not add one
> single nested attribute into the message.

"first" is always initialized: it's either zero (the id of the first 
entry) or the id of the next one where listing must be continued.
 
Best regards,
Jozsef
-
E-mail  : kadlec@xxxxxxxxxxxxxxxxx, kadlecsik.jozsef@xxxxxxxxxxxxx
PGP key : http://www.kfki.hu/~kadlec/pgp_public_key.txt
Address : Wigner Research Centre for Physics, Hungarian Academy of Sciences
          H-1525 Budapest 114, POB. 49, Hungary
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