linux-kernel - Re: [PATCH] ASoC: codec: Omit superfluous error message injz4760_codec

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Date:   Tue, 2 Mar 2021 20:55:25 +0800
From:   tangbin <tangbin@...s.chinamobile.com>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     broonie@...nel.org, lgirdwood@...il.com, perex@...ex.cz,
        tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: codec: Omit superfluous error message
 injz4760_codec_probe()

Hi Paul:

On 2021/3/2 20:23, Paul Cercueil wrote:
> Hi Tang,
>
> Le mar. 2 mars 2021 à 20:11, Tang Bin <tangbin@...s.chinamobile.com> a 
> écrit :
>> The function devm_platform_ioremap_resource has already contained error
>> message, so remove the redundant dev_err here.
>>
>> Signed-off-by: Tang Bin <tangbin@...s.chinamobile.com>
>> ---
>>  sound/soc/codecs/jz4760.c | 1 -
>>  1 file changed, 1 deletion(-)
>>
>> diff --git a/sound/soc/codecs/jz4760.c b/sound/soc/codecs/jz4760.c
>> index e8f28ccc145a..c2d8a107f159 100644
>> --- a/sound/soc/codecs/jz4760.c
>> +++ b/sound/soc/codecs/jz4760.c
>> @@ -843,7 +843,6 @@ static int jz4760_codec_probe(struct 
>> platform_device *pdev)
>>      codec->base = devm_platform_ioremap_resource(pdev, 0);
>>      if (IS_ERR(codec->base)) {
>>          ret = PTR_ERR(codec->base);
>> -        dev_err(dev, "Failed to ioremap mmio memory: %d\n", ret);
>>          return ret;
>>      }
>
> Indeed, you are right.
>
> I guess you do this instead:
>
> if (IS_ERR(codec->base))
>    return PTR_ERR(codec->base);

Yes, I would have written it in your ways, but considered the variable 
"ret", I gave up, and just deleted dev_err().


Thanks

Tang Bin