Re: [PATCH] netfilter: bpf: Only define get_proto_defrag_hook() if necessary

From: Alexei Starovoitov
Date: Mon Jul 31 2023 - 20:53:47 EST


On Mon, Jul 31, 2023 at 2:55 PM Daniel Xu <dxu@xxxxxxxxx> wrote:
>
> Before, we were getting this warning:
>
> net/netfilter/nf_bpf_link.c:32:1: warning: 'get_proto_defrag_hook' defined but not used [-Wunused-function]
>
> Guard the definition with CONFIG_NF_DEFRAG_IPV[4|6].
>
> Fixes: 91721c2d02d3 ("netfilter: bpf: Support BPF_F_NETFILTER_IP_DEFRAG in netfilter link")

since that commit is in bpf-next only
please use [PATCH bpf-next] in the future to make sure BPF CI can test it.

I've applied it after manual testing, but very much prefer
the automation to do it for me.