[PATCH v4 3/5] mmc: davinci_mmc: add DT support

Sekhar Nori nsekhar at ti.com
Tue Mar 5 06:46:25 EST 2013


On 3/5/2013 4:54 PM, Manjunathappa, Prakash wrote:

>>> +	pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
>>> +	if (!pdata) {
>>> +		dev_err(&pdev->dev, "Failed to allocate memory for struct davinci_mmc_config\n");
>>> +		goto nodata;
>>
>> devm_kzalloc() returns NULL on error so you will end up returning
>> success in this case.
>>
> 
> Returns NULL on failure, caller is checking on NULL for failures.
> 
>         pdata = mmc_parse_pdata(pdev);
>         if (pdata == NULL) {
>                 dev_err(&pdev->dev, "Can not get platform data\n");
>                 return -ENOENT;
>         }

Ha, okay. I was somehow confused into thinking this is part of probe
routine.

Thanks,
Sekhar



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