Messages in this thread | | | Date | Sat, 12 Nov 2022 16:35:32 +0000 | From | Jonathan Cameron <> | Subject | Re: [PATCH] staging: iio: meter: use min() for comparison and assignment |
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On Tue, 8 Nov 2022 21:06:24 +0530 Deepak R Varma <drv@mailo.com> wrote:
> 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@mailo.com> > > > --- > > > 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?
For IIO staging drivers, I'd take a cleanup that moved to
if (ret < 0) return ret;
return 0;
As others have suggested though, not a good idea to do this broadly as it would be a lot of noise. We don't mind noise so much for staging drivers :)
Jonathan
> > Thank you, > ./drv > > > > > thanks, > > > > greg k-h > > > >
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