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Message-ID: <20191211220653.skv5habd6fs6abqk@salvia>
Date: Wed, 11 Dec 2019 23:06:53 +0100
From: Pablo Neira Ayuso <pablo@...filter.org>
To: Xin Long <lucien.xin@...il.com>
Cc: network dev <netdev@...r.kernel.org>,
netfilter-devel@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH nf-next 3/7] netfilter: nft_tunnel: no need to call
htons() when dumping ports
On Wed, Dec 11, 2019 at 11:06:37PM +0100, Pablo Neira Ayuso wrote:
> On Wed, Dec 11, 2019 at 10:53:12PM +0100, Pablo Neira Ayuso wrote:
> > On Sun, Dec 08, 2019 at 12:41:33PM +0800, Xin Long wrote:
> > > info->key.tp_src and tp_dst are __be16, when using nla_put_be16()
> > > to dump them, htons() is not needed, so remove it in this patch.
> > >
> > > Signed-off-by: Xin Long <lucien.xin@...il.com>
> > > ---
> > > net/netfilter/nft_tunnel.c | 4 ++--
> > > 1 file changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c
> > > index d9d6c0d..e1184fa 100644
> > > --- a/net/netfilter/nft_tunnel.c
> > > +++ b/net/netfilter/nft_tunnel.c
> > > @@ -502,8 +502,8 @@ static int nft_tunnel_opts_dump(struct sk_buff *skb,
> > > static int nft_tunnel_ports_dump(struct sk_buff *skb,
> > > struct ip_tunnel_info *info)
> > > {
> > > - if (nla_put_be16(skb, NFTA_TUNNEL_KEY_SPORT, htons(info->key.tp_src)) < 0 ||
> > > - nla_put_be16(skb, NFTA_TUNNEL_KEY_DPORT, htons(info->key.tp_dst)) < 0)
> > > + if (nla_put_be16(skb, NFTA_TUNNEL_KEY_SPORT, info->key.tp_src) < 0 ||
> > > + nla_put_be16(skb, NFTA_TUNNEL_KEY_DPORT, info->key.tp_dst) < 0)
> >
> > info->key.tp_src is already in __be16 as you describe. So I would take
> > this as a consistency fix. I would take this as a fix.
>
> I mean, I think this is worth fixing it indeed.
Acked-by: Pablo Neira Ayuso <pablo@...filter.org>
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