Re: [PATCH] drivers/media/video/mx2_emmaprp.c: use devm_kzalloc anddevm_clk_get

From: Lars-Peter Clausen
Date: Mon Aug 06 2012 - 10:32:56 EST


On 08/06/2012 04:26 PM, Dan Carpenter wrote:
> On Mon, Aug 06, 2012 at 05:23:23PM +0300, Dan Carpenter wrote:
>> On Sat, Aug 04, 2012 at 08:23:27PM +0200, Julia Lawall wrote:
>>> @@ -922,12 +920,7 @@ static int emmaprp_probe(struct platform_device *pdev)
>>>
>>> platform_set_drvdata(pdev, pcdev);
>>>
>>> - if (devm_request_mem_region(&pdev->dev, res_emma->start,
>>> - resource_size(res_emma), MEM2MEM_NAME) == NULL)
>>> - goto rel_vdev;
>>> -
>>> - pcdev->base_emma = devm_ioremap(&pdev->dev, res_emma->start,
>>> - resource_size(res_emma));
>>> + pcdev->base_emma = devm_request_and_ioremap(&pdev->dev, res_emma);
>>> if (!pcdev->base_emma)
>>> goto rel_vdev;
>>
>> This was in the original code, but there is a "ret = -ENOMEM;"
>> missing here, and again a couple lines down in the original code.
>>
>
> Or should that be -EIO instead of -ENOMEM? I'm not sure.

-ENXIO is usually used in such a case.

- Lars
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