linux-kernel - Re: [PATCH] bpf: declare bpf_sk_storage_get_cg_sock

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Date:   Mon, 27 Nov 2023 15:20:32 +0100
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Ben Dooks <ben.dooks@...ethink.co.uk>, netdev@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        sdf@...gle.com
Subject: Re: [PATCH] bpf: declare bpf_sk_storage_get_cg_sock_proto

On 11/22/23 9:13 AM, Ben Dooks wrote:
> The bpf_sk_storage_get_cg_sock_proto struct is exported from
> net/core/bpf_sk_storage.c but is not decalred in any header

nit: typo

> file. Fix the following sparse warning by adding it to the
> include/net/bpf_sk_storage.h header:
> 
> net/core/bpf_sk_storage.c:334:29: warning: symbol 'bpf_sk_storage_get_cg_sock_proto' was not declared. Should it be static

Please add Fixes tag and Cc author (sdf@...gle.com) as well as bpf@...r.kernel.org:

Fixes: f7c6cb1d9728 ("bpf: Expose socket storage to BPF_PROG_TYPE_CGROUP_SOCK")

> Signed-off-by: Ben Dooks <ben.dooks@...ethink.co.uk>
> ---
>   include/net/bpf_sk_storage.h | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/include/net/bpf_sk_storage.h b/include/net/bpf_sk_storage.h
> index 2926f1f00d65..043155810822 100644
> --- a/include/net/bpf_sk_storage.h
> +++ b/include/net/bpf_sk_storage.h
> @@ -22,6 +22,7 @@ extern const struct bpf_func_proto bpf_sk_storage_get_proto;
>   extern const struct bpf_func_proto bpf_sk_storage_delete_proto;
>   extern const struct bpf_func_proto bpf_sk_storage_get_tracing_proto;
>   extern const struct bpf_func_proto bpf_sk_storage_delete_tracing_proto;
> +extern const struct bpf_func_proto bpf_sk_storage_get_cg_sock_proto;
>   
>   struct bpf_local_storage_elem;
>   struct bpf_sk_storage_diag;
>