netdev - Re: [PATCH] bnx2x: Convert return 0 to return rc

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Date:	Fri, 16 May 2014 13:12:24 -0700
From:	Joe Perches <joe@...ches.com>
To:	Dmitry Kravkov <Dmitry.Kravkov@...gic.com>,
	Julia Lawall <julia.lawall@...6.fr>
Cc:	Ariel Elior <ariel.elior@...gic.com>,
	netdev <netdev@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] bnx2x: Convert return 0 to return rc

On Fri, 2014-05-16 at 12:02 +0000, Dmitry Kravkov wrote:
> > -----Original Message-----
> > From: netdev-owner@...r.kernel.org [mailto:netdev-
> > owner@...r.kernel.org] On Behalf Of Joe Perches
> > Sent: Friday, May 16, 2014 9:52 AM
> > To: Ariel Elior; Dmitry Kravkov
> > Cc: netdev; linux-kernel
> > Subject: [PATCH] bnx2x: Convert return 0 to return rc
> >
> > These "return 0;" uses seem wrong as there are
> > rc variables where error return values are set
> > but unused.
[]
> Thanks Joe for catching this!
> 
> Acked-by: Dmitry Kravkov <Dmitry.Kravkov@...gic.com>

Hello Dmitry.

Couple things actually:
o Could you please update the MAINTAINER entry for
  BNX2X?  Ariel Elior's email address is still listed
  as @broadcom and that seems to bounce.

o I found this via coccinelle actually.
  Julia Lawall submitted a patch to remove unused
  netdev_priv calls.  I modified that to check for
  any expression that returns an unused value and
  found this and many others.  There are a lot of
  false positives though.

@@
local idexpression x;
expression E;
@@
-x = E;
    ... when != x


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