linux-kernel - Re: staging: ks7010: Delete unnecessary uses of the variable "retval"

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Date:	Thu, 21 Jul 2016 18:37:14 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc:	Julia Lawall <julia.lawall@...6.fr>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org, LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org
Subject: Re: staging: ks7010: Delete unnecessary uses of the variable "retval"

On Thu, Jul 21, 2016 at 03:35:03PM +0200, SF Markus Elfring wrote:
> >>>>>  	if (atomic_read(&priv->sleepstatus.status) == 0) {
> >>>>>  		rw_data = GCR_B_DOZE;
> >>>>> -		retval =
> >>>>> -		    ks7010_sdio_write(priv, GCR_B, &rw_data, sizeof(rw_data));
> >>>>> -		if (retval) {
> >>>>> +		if (ks7010_sdio_write(priv,
> >>>>> +				      GCR_B,
> >>>>> +				      &rw_data,
> >>>>> +				      sizeof(rw_data))) {
> >>>>
> >>>> A multi-line function call in an if test does not look nice at all.  The
> >>>> original code was an easy-to-read expectable pattern.
> >>>
> >>> I agree. I am not strict on the 80 char limit, especially in cases like
> >>> the above.
> 
> Will this line length limitation trigger any more collateral evolution
> in the discussed software module?
> 
> 
> >> Would you try an other source code formatting for the suggested change pattern?
> > 
> > I don't understand the question?
> 
> Can you follow expectations around the proposed refactoring of any
> function implementations?

I don't understand both questions. Maybe you need to give examples?


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