linux-kernel - Re: [PATCH] IB/ocrdma_hw: remove unnecessary code in ocrdma_mbx_dealloc

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Date:   Tue, 7 Nov 2017 16:44:27 +0200
From:   Leon Romanovsky <leon@...nel.org>
To:     "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Cc:     Selvin Xavier <selvin.xavier@...adcom.com>,
        Devesh Sharma <devesh.sharma@...adcom.com>,
        Doug Ledford <dledford@...hat.com>, linux-rdma@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] IB/ocrdma_hw: remove unnecessary code in
 ocrdma_mbx_dealloc_lkey

On Tue, Nov 07, 2017 at 08:30:22AM -0600, Gustavo A. R. Silva wrote:
> Hi Leon,
>
> Quoting Leon Romanovsky <leon@...nel.org>:
>
> > On Mon, Nov 06, 2017 at 08:35:14AM -0600, Gustavo A. R. Silva wrote:
> > > Check on return value and goto label mbx_err are unnecessary.
> > >
> > > Addresses-Coverity-ID: 1268780
> > > Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
> > > ---
> > >  drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 4 +---
> > >  1 file changed, 1 insertion(+), 3 deletions(-)
> > >
> > > diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
> > > b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
> > > index f8c14c7..db02bbb 100644
> > > --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
> > > +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
> > > @@ -1956,9 +1956,7 @@ int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev
> > > *dev, int fr_mr, u32 lkey)
> > >  	cmd->lkey = lkey;
> > >  	cmd->rsvd_frmr = fr_mr ? 1 : 0;
> > >  	status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
> > > -	if (status)
> > > -		goto mbx_err;
> > > -mbx_err:
> > > +
> >
> > Can you please remove assignment from "int status = -ENOMEM"?
> > It produces warning too.
> >
>
> OK. Will do.
>
> By the way, which compiler triggers that warning?

Honestly, I don't remember, one of my building bots complained about it.

Thanks

>
> I'm using GCC 7.2.0 and I don't see it.
>
> Thanks
> --
> Gustavo A. R. Silva
>
>
>
>
>

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