Lars-Peter Clausen schrieb am 23.12.2014 um 10:07:
> On 12/23/2014 09:51 AM, Daniel Baluta wrote:
>> On Tue, Dec 16, 2014 at 11:11 AM, Roberta Dobrescu
>> <roberta.dobrescu@xxxxxxxxx> wrote:
>>> This patch fixes the following checkpatch.pl warning:
>>> WARNING: Possible unnecessary 'out of memory' message
>>>
>>> Signed-off-by: Roberta Dobrescu <roberta.dobrescu@xxxxxxxxx>
>>> ---
>>> drivers/iio/frequency/adf4350.c | 4 +---
>>> 1 file changed, 1 insertion(+), 3 deletions(-)
>>>
>>> diff --git a/drivers/iio/frequency/adf4350.c b/drivers/iio/frequency/adf4350.c
>>> index 63a25d9..2b301eb 100644
>>> --- a/drivers/iio/frequency/adf4350.c
>>> +++ b/drivers/iio/frequency/adf4350.c
>>> @@ -387,10 +387,8 @@ static struct adf4350_platform_data *adf4350_parse_dt(struct device *dev)
>>> int ret;
>>>
>>> pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
>>> - if (!pdata) {
>>> - dev_err(dev, "could not allocate memory for platform data\n");
>>> + if (!pdata)
>>> return NULL;
>>> - }
>>>
>> Based on Harmut's review we can return ERR_PTR(-ENOMEM) here
>> and then use IS_ERR and PTR_ERR inside adf4350_probe()
>
> This patch is fine as it is. It removes the redundant error message. Every
> thing else should be done in a second patch.
I can't follow on this one. From what I see, if memory allocation fails here,
we will get an appropriate error message here, and _probe will pass up -EINVAL,
causing a misleading error message. Where do you see redundancy?
>
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