Re: [PATCH] staging: iio: meter: use min() for comparison and assignment

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On Tue, Nov 08, 2022 at 04:12:17PM +0100, Greg Kroah-Hartman wrote:
> On Mon, Nov 07, 2022 at 09:40:00AM +0530, Deepak R Varma wrote:
> > Simplify code by using recommended min helper macro for logical
> > evaluation and value assignment. This issue is identified by
> > coccicheck using the minmax.cocci file.
> >
> > Signed-off-by: Deepak R Varma <drv@xxxxxxxxx>
> > ---
> >  drivers/staging/iio/meter/ade7854-i2c.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/staging/iio/meter/ade7854-i2c.c b/drivers/staging/iio/meter/ade7854-i2c.c
> > index a9a06e8dda51..a6ce7b24cc8f 100644
> > --- a/drivers/staging/iio/meter/ade7854-i2c.c
> > +++ b/drivers/staging/iio/meter/ade7854-i2c.c
> > @@ -61,7 +61,7 @@ static int ade7854_i2c_write_reg(struct device *dev,
> >  unlock:
> >  	mutex_unlock(&st->buf_lock);
> >
> > -	return ret < 0 ? ret : 0;
> > +	return min(ret, 0);
>
> As others have said, this isn't ok, and I hate ? : usage, so if you
> want, spell that out please.

Hello Greg,
Just want to make sure I am getting it right:
Are you suggesting me to resubmit the patch with revised patch description?

Should I consider using the "if" based evaluation rather than using min() macro?

Thank you,
./drv

>
> thanks,
>
> greg k-h
>






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