Re: [PATCH v2 5/5] net: dsa: exit probe if no switch were found

From: Neil Armstrong
Date: Tue Oct 06 2015 - 03:20:39 EST


On 10/03/2015 09:27 PM, Florian Fainelli wrote:
> Le 03/10/2015 07:26, Neil Armstrong a Ãcrit :
>> If no switch were found in dsa_setup_dst, return -ENODEV and
>> exit the dsa_probe cleanly.
>>
>> Tested-by: Andrew Lunn <andrew@xxxxxxx>
>> Tested-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
>> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
>> ---
>
> [snip]
>
>> static int dsa_probe(struct platform_device *pdev)
>> @@ -926,9 +937,9 @@ static int dsa_probe(struct platform_device *pdev)
>>
>> platform_set_drvdata(pdev, dst);
>>
>> - dsa_setup_dst(dst, dev, &pdev->dev, pd);
>> -
>> - return 0;
>> + ret = dsa_setup_dst(dst, dev, &pdev->dev, pd);
>> + if (!ret)
>> + return 0;
>
> That logic is a little weird, I would just go with something like this:
>
> ret = dsa_setup_dst(ds, dev, &pdev->dev, pd);
> if (ret)
> goto out;
>
> return 0;
>
Yes you are right, the goto out is needed to clean up the of_probe resources.

I will send a v3 with this fixed.

Neil
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