linux-kernel - Re: [PATCH] ASoC: amd: added error checks in dma driver

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Message-ID: <e6e54494-0579-7447-cee9-223a579f06bf@amd.com>
Date:   Thu, 30 Nov 2017 10:59:17 +0530
From:   "Mukunda,Vijendar" <vijendar.mukunda@....com>
To:     Mark Brown <broonie@...nel.org>
Cc:     alsa-devel@...a-project.org, tiwai@...e.de, lgirdwood@...il.com,
        perex@...ex.cz, Alexander.Deucher@....com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ASoC: amd: added error checks in dma driver



On Tuesday 28 November 2017 05:22 PM, Mark Brown wrote:
> On Tue, Nov 28, 2017 at 10:13:44AM +0530, Vijendar Mukunda wrote:
>
>> -	acp_init(audio_drv_data->acp_mmio, audio_drv_data->asic_type);
>> +	status = acp_init(audio_drv_data->acp_mmio, audio_drv_data->asic_type);
>> +	if (status) {
>> +		dev_err(&pdev->dev, "ACP Init failed\n");
>> +		return status;
>> +	}
>>   
> Better to print the error code to help people see what went wrong.
>
>>   static int acp_audio_remove(struct platform_device *pdev)
>>   {
>> +	int status;
>>   	struct audio_drv_data *adata = dev_get_drvdata(&pdev->dev);
>>   
>> -	acp_deinit(adata->acp_mmio);
>> +	status = acp_deinit(adata->acp_mmio);
>> +	if (status) {
>> +		dev_err(&pdev->dev, "ACP Deinit failed\n");
>> +		return status;
>> +	}
>>   	snd_soc_unregister_platform(&pdev->dev);
> Remove operations can't meaningfully fail, better to just log the error
> and carry on.
    Will prepare a patch based on your review comments and post it as V2 version.