netdev - Re: [PATCH 20/52] net: fealnx: remove unnecessary pci_set

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Date:	Thu, 12 Sep 2013 21:11:42 +0400
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Jingoo Han <jg1.han@...sung.com>
CC:	"'David S. Miller'" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH 20/52] net: fealnx: remove unnecessary pci_set_drvdata()

Hello.

On 09/12/2013 04:11 AM, Jingoo Han wrote:

>>> The driver core clears the driver data to NULL after device_release
>>> or on probe failure. Thus, it is not needed to manually clear the
>>> device driver data to NULL.

>>> Signed-off-by: Jingoo Han <jg1.han@...sung.com>
>>> ---
>>>    drivers/net/ethernet/fealnx.c |    4 ++--
>>>    1 file changed, 2 insertions(+), 2 deletions(-)

>>> diff --git a/drivers/net/ethernet/fealnx.c b/drivers/net/ethernet/fealnx.c
>>> index c706b7a..99194d1 100644
>>> --- a/drivers/net/ethernet/fealnx.c
>>> +++ b/drivers/net/ethernet/fealnx.c
>>> @@ -699,9 +699,9 @@ static void fealnx_remove_one(struct pci_dev *pdev)
>>>    		pci_iounmap(pdev, np->mem);
>>>    		free_netdev(dev);
>>>    		pci_release_regions(pdev);
>>> -		pci_set_drvdata(pdev, NULL);
>>> -	} else
>>> +	} else {
>>>    		printk(KERN_ERR "fealnx: remove for unknown device\n");
>>> +	}

>>      No "drove-by" coding style fixes, please.

> Hi Sergei,

> Sorry, but I just want to know the reason. :-)
> Would you let know the reason not to add coding style fixes?

    This change doesn't get covered by the patch subject/changelog. Even if 
you're doing it, it should preferably be done in a separate patch and at the 
very least documented in the changelog.

> Thank you.

    Not at all.

> Best regards,
> Jingoo Han

WBR, Sergei

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