Re: [PATCH v8 4/6] media: platform: synopsys: Add support for HDMI input driver
From: Dmitry Osipenko
Date: Sun Feb 23 2025 - 23:20:09 EST
On 2/24/25 00:11, Christophe JAILLET wrote:
>>>
>>>> + ret = cec_register_adapter(cec->adap, cec->dev);
>>>> + if (ret < 0) {
>>>> + dev_err(cec->dev, "cec register adapter failed\n");
>>>> + cec_unregister_adapter(cec->adap);
>>>
>>> Is it needed to call cec_unregister_adapter() when
>>> cec_register_adapter() fails?
>>
>> Yes, it's confusing, but unregister is needed to free the adapter
>> properly, it's prepared to do it. Thanks for the review.
>>
>
> I don't know this API, so you'll get the last word, but
> cec_unregister_adapter() does not seem to do that many things in such a
> case, unless I miss something. See [1].
>
> CJ
>
> [1]: https://elixir.bootlin.com/linux/v6.14-rc3/source/drivers/media/
> cec/core/cec-core.c#L370
On a second look, apparently you're right and
cec_notifier_cec_adap_unregister() should be used there.
--
Best regards,
Dmitry