linux-kernel - Re: [PATCH] staging: octeon: Remove unneeded variable

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Message-ID: <20191028084007.GC1922@kadam>
Date:   Mon, 28 Oct 2019 11:40:07 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Julia Lawall <julia.lawall@...6.fr>
Cc:     Cristiane Naves <cristianenavescardoso09@...il.com>,
        outreachy-kernel@...glegroups.com, devel@...verdev.osuosl.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: octeon: Remove unneeded variable

On Mon, Oct 28, 2019 at 09:36:04AM +0100, Julia Lawall wrote:
> 
> 
> On Mon, 28 Oct 2019, Dan Carpenter wrote:
> 
> > On Sat, Oct 26, 2019 at 07:24:53PM -0300, Cristiane Naves wrote:
> > > Remove unneeded variable used to store return value. Issue found by
> > > coccicheck.
> > >
> > > Signed-off-by: Cristiane Naves <cristianenavescardoso09@...il.com>
> > > ---
> > >  drivers/staging/octeon/octeon-stubs.h | 4 +---
> > >  1 file changed, 1 insertion(+), 3 deletions(-)
> > >
> > > diff --git a/drivers/staging/octeon/octeon-stubs.h b/drivers/staging/octeon/octeon-stubs.h
> > > index b07f5e2..d53bd801 100644
> > > --- a/drivers/staging/octeon/octeon-stubs.h
> > > +++ b/drivers/staging/octeon/octeon-stubs.h
> > > @@ -1387,9 +1387,7 @@ static inline cvmx_pko_status_t cvmx_pko_send_packet_finish(uint64_t port,
> > >  		uint64_t queue, union cvmx_pko_command_word0 pko_command,
> > >  		union cvmx_buf_ptr packet, cvmx_pko_lock_t use_locking)
> > >  {
> > > -	cvmx_pko_status_t ret = 0;
> > > -
> > > -	return ret;
> > > +	return 0;
> >
> > What is the point of this function anyway?
> 
> Given that it is in octeon-stubs.h, it seems that the point is to get the
> code to compile when COMPILE_TEST is set.  There is a real definition in
> arch/mips/include/asm/octeon/cvmx-pko.h

Oh yeah...  Duh.  I saw that it was in stubs but I just assumed that it
was stubs for something which was never implemented or left over code...

My bad.

regards,
dan carpente