linux-kernel - Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style issue

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Date:	Wed, 1 Jul 2015 14:50:42 +0530
From:	Sohny Thomas <sohnythomas@...o.com>
To:	Julia Lawall <julia.lawall@...6.fr>
Cc:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	benjamin.romer@...sys.com, david.kershner@...sys.com,
	bryan.thompson@...sys.com, erik.arfvidson@...sys.com,
	devel@...verdev.osuosl.org, gregkh@...uxfoundation.org,
	sparmaintainer@...sys.com, kernel-janitors@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Staging: unisys: virtpci: fixed a brace coding style
 issue

>>>>   	i = virtpci_device_del(NULL /*no parent bus */, VIRTHBA_TYPE,
>>>>   			       &scsi.wwnn, NULL);
>>>> -	if (i) {
>>>> +	if (i)
>>>>   		return 1;
>>>> -	}
>>>> -	return 0;
>>>> +	else
>>>> +		return 0;
>>> No, now this will introduce a new checkpatch warning that "else is not
>>> required after return". why did you introduce this "else"?
>> I did this so that the code is more readable and understandable, I checked and
>> checkpatch didn't call this out , so its clean.
>>
>> Otherwise the above code looks like this
>>
>> if(i)
>>    return 1;
>> return 0;
> 
> That looks fine.
> 
> I haven't looked at the code in detail.  Is it normal that the return
> values seem to be 0 1 and -1?  Which values represent success and which
> represent an error?  It is nicer to have the errors under if and success
> as a direct return at the end.
Here in this driver directory, return 1 means SUCCESS and return 0 means FAILURE
So you mean my code change is fine?
> 
> julia
> 

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