linux-kernel - Re: [PATCH 3.16 29/87] staging: iio: cdc: Don't put an else right after a return

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Date:   Thu, 03 Oct 2019 15:47:49 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     Joe Perches <joe@...ches.com>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Cc:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        Catalina Mocanu <catalina.mocanu@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH 3.16 29/87] staging: iio: cdc: Don't put an else right
 after a return

On Wed, 2019-10-02 at 14:36 -0700, Joe Perches wrote:
> On Wed, 2019-10-02 at 20:06 +0100, Ben Hutchings wrote:
> > 3.16.75-rc1 review patch.  If anyone has any objections, please let me know.
> 
> This doesn't look necessary.

It allows the next patch to apply cleanly.

Ben.

> > ------------------
> > 
> > From: Catalina Mocanu <catalina.mocanu@...il.com>
> > 
> > commit 288903f6b91e759b0a813219acd376426cbb8f14 upstream.
> > 
> > This fixes the following checkpatch.pl warning:
> > WARNING: else is not generally useful after a break or return.
> > 
> > While at it, remove new line for symmetry with the rest of the code.
> > 
> > Signed-off-by: Catalina Mocanu <catalina.mocanu@...il.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
> > ---
> >  drivers/staging/iio/cdc/ad7150.c | 10 +++-------
> >  1 file changed, 3 insertions(+), 7 deletions(-)
> > 
> > --- a/drivers/staging/iio/cdc/ad7150.c
> > +++ b/drivers/staging/iio/cdc/ad7150.c
> > @@ -143,19 +143,15 @@ static int ad7150_read_event_config(stru
> >  	case IIO_EV_TYPE_MAG_ADAPTIVE:
> >  		if (dir == IIO_EV_DIR_RISING)
> >  			return adaptive && (threshtype == 0x1);
> > -		else
> > -			return adaptive && (threshtype == 0x0);
> > +		return adaptive && (threshtype == 0x0);
> >  	case IIO_EV_TYPE_THRESH_ADAPTIVE:
> >  		if (dir == IIO_EV_DIR_RISING)
> >  			return adaptive && (threshtype == 0x3);
> > -		else
> > -			return adaptive && (threshtype == 0x2);
> > -
> > +		return adaptive && (threshtype == 0x2);
> >  	case IIO_EV_TYPE_THRESH:
> >  		if (dir == IIO_EV_DIR_RISING)
> >  			return !adaptive && (threshtype == 0x1);
> > -		else
> > -			return !adaptive && (threshtype == 0x0);
> > +		return !adaptive && (threshtype == 0x0);
> >  	default:
> >  		break;
> >  	}
> > 
-- 
Ben Hutchings
Unix is many things to many people,
but it's never been everything to anybody.



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