Re: [PATCH 5/9] staging: ks7010: Delete unnecessary uses of the variable "retval"

[Julia Lawall]

On Thu, 21 Jul 2016, Wolfram Sang 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.
> >
> > Would you try an other source code formatting for the suggested change pattern?
>
> I don't understand the question?

I think the original code was fine.  x = blah(); if (x) ... is a perfectly
familiar kernel coding pattern.  There is no benefit in terms of
performance or understandability in dropping the variable.

julia