linux-kernel - Re: [PATCH] staging: fsl-dpaa2: Fix multiple assignments should be avoided

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Date:   Wed, 8 Nov 2017 09:59:36 -0500
From:   Josh Abraham <j.abraham1776@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     ruxandra.radulescu@....com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: fsl-dpaa2: Fix multiple assignments should be
 avoided

On Wed, Nov 08, 2017 at 10:20:48AM +0100, Greg KH wrote:
> On Tue, Nov 07, 2017 at 07:45:03PM -0500, Joshua Abraham wrote:
> > This patch fixes the checkpatch.pl warning:
> > "CHECK: multiple assignments should be avoided"
> > 
> > Signed-off-by: Joshua Abraham <j.abraham1776@...il.com>
> > ---
> >  drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
> > index 0d8ed002adcb..384218946108 100644
> > --- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
> > +++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.c
> > @@ -1661,7 +1661,8 @@ static void set_fq_affinity(struct dpaa2_eth_priv *priv)
> >  	 * This may well change at runtime, either through irqbalance or
> >  	 * through direct user intervention.
> >  	 */
> > -	rx_cpu = txc_cpu = cpumask_first(&priv->dpio_cpumask);
> > +	rx_cpu = cpumask_first(&priv->dpio_cpumask);
> > +	txc_cpu = rx_cpu;
> 
> The original code here makes much more sense, doesn't it?
> 
> Sometimes checkpatch is wrong :)
> 
> thanks,
> 
> greg k-h

It does make a lot more sense.

I will trust checkpatch less, and my eyes more :)

-Josh