static void adjust_btf_func(struct bpf_verifier_env *env)
{
	struct bpf_prog_aux *aux = env->prog->aux;
	int i;

	if (!aux->func_info)
		return;

	for (i = 0; i < env->subprog_cnt; i++)
		aux->func_info[i].insn_off = env->subprog_info[i].start;
}