[PATCH v10 5/9] bpf: Add bpf_lookup_*_key() and bpf_key_put() kfuncs

[Alexei Starovoitov]

On Wed, Aug 10, 2022 at 06:59:28PM +0200, Roberto Sassu wrote:
> +
> +static int __init bpf_key_sig_kfuncs_init(void)
> +{
> +	int ret;
> +
> +	ret = register_btf_kfunc_id_set(BPF_PROG_TYPE_TRACING,
> +					&bpf_key_sig_kfunc_set);
> +	if (!ret)
> +		return 0;
> +
> +	return register_btf_kfunc_id_set(BPF_PROG_TYPE_LSM,
> +					 &bpf_key_sig_kfunc_set);

Isn't this a watery water ?
Don't you have a patch 1 ?
What am I missing ?