Re: [PATCH 1/4] netfilter: nfnetlink_log: use proper helper for fetching physinif

From: Florian Westphal
Date: Wed Jan 10 2024 - 08:36:32 EST


Pavel Tikhomirov <ptikhomirov@xxxxxxxxxxxxx> wrote:
> We don't use physindev in __build_packet_message except for getting
> physinif from it. So let's switch to nf_bridge_get_physinif to get what
> we want directly.
>
> Signed-off-by: Pavel Tikhomirov <ptikhomirov@xxxxxxxxxxxxx>
> ---
> net/netfilter/nfnetlink_log.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
> index f03f4d4d7d889..134e05d31061e 100644
> --- a/net/netfilter/nfnetlink_log.c
> +++ b/net/netfilter/nfnetlink_log.c
> @@ -508,7 +508,7 @@ __build_packet_message(struct nfnl_log_net *log,
> htonl(br_port_get_rcu(indev)->br->dev->ifindex)))
> goto nla_put_failure;
> } else {
> - struct net_device *physindev;
> + int physinif;
>
> /* Case 2: indev is bridge group, we need to look for
> * physical device (when called from ipv4) */
> @@ -516,10 +516,10 @@ __build_packet_message(struct nfnl_log_net *log,
> htonl(indev->ifindex)))
> goto nla_put_failure;
>
> - physindev = nf_bridge_get_physindev(skb);
> - if (physindev &&
> + physinif = nf_bridge_get_physinif(skb);
> + if (physinif &&
> nla_put_be32(inst->skb, NFULA_IFINDEX_PHYSINDEV,
> - htonl(physindev->ifindex)))
> + htonl(physinif)))

I think you can drop this patch and make the last patch pass
nf_bridge_info->physinif directly.