[PATCH v2] SoC: mediatek: mt8188-mt6359: clean up a return in codec_init

[AngeloGioacchino Del Regno]

Il 08/06/23 06:02, Trevor Wu (吳文良) ha scritto:
> On Wed, 2023-06-07 at 17:57 +0300, Dan Carpenter wrote:
>>   This code triggers a Smatch static checker warning and does sort of
>> look like an error path.
>>
>> sound/soc/mediatek/mt8188/mt8188-mt6359.c:597
>> mt8188_max98390_codec_init() warn: missing error code? 'ret'
>>
>> However, returning 0 is intentional.  Make that explicit.
> 
> Hi Dan,
> 
> There are several similar instances in this file. If using 'return
> ret;' is not recommended, should we update all of them simultaneously?
> 
> For instance, the value of 'ret' at the end of this function should
> also be zero.
> 

I'm already in the process of performing a further cleanup to this file,
will include Dan's patch in my series.

Please hold on (sending today).

Regards,
Angelo

> Thanks,
> Trevor
> 
>>
>> Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
>> ---
>> v2: At first I thought this was an error path but it is a not.
>>
>>   sound/soc/mediatek/mt8188/mt8188-mt6359.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/sound/soc/mediatek/mt8188/mt8188-mt6359.c
>> b/sound/soc/mediatek/mt8188/mt8188-mt6359.c
>> index bc4b74970a46..5ad8d2a5bbc4 100644
>> --- a/sound/soc/mediatek/mt8188/mt8188-mt6359.c
>> +++ b/sound/soc/mediatek/mt8188/mt8188-mt6359.c
>> @@ -594,7 +594,7 @@ static int mt8188_max98390_codec_init(struct
>> snd_soc_pcm_runtime *rtd)
>>   }
>>   
>>   if (rtd->dai_link->num_codecs <= 2)
>> -return ret;
>> +return 0;
>>   
>>   /* add widgets/controls/dapm for rear speakers */
>>   ret = snd_soc_dapm_new_controls(&card->dapm,
>> mt8188_rear_spk_widgets,
>> -- 
>> 2.39.2
>>