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Subject: Re: [PATCH bpf-next v5 2/9] bpf: add struct_ops_tab to btf.
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To: thinker.li@gmail.com
Cc: sinquersw@gmail.com, kuifeng@meta.com, bpf@vger.kernel.org,
 ast@kernel.org, song@kernel.org, kernel-team@meta.com, andrii@kernel.org,
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References: <20231017162306.176586-1-thinker.li@gmail.com>
 <20231017162306.176586-3-thinker.li@gmail.com>
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From: Martin KaFai Lau <martin.lau@linux.dev>
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On 10/17/23 9:22 AM, thinker.li@gmail.com wrote:
> +const struct bpf_struct_ops **btf_get_struct_ops(struct btf *btf, u32 *ret_cnt)
> +{
> +	if (!btf)
> +		return NULL;
> +	if (!btf->struct_ops_tab)
> +		return NULL;
> +
> +	*ret_cnt = btf->struct_ops_tab->cnt;
> +	return (const struct bpf_struct_ops **)btf->struct_ops_tab->ops;

Is it possible that the module is already gone here? If that is the case, the 
st_ops pointer probably cannot be used?