linux-kernel - Re: [PATCH] ntb: ntb_transport: Mark expected switch fall-throughs

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Message-ID: <20181031203951.GC22474@kudzu.us>
Date:   Wed, 31 Oct 2018 16:39:52 -0400
From:   Jon Mason <jdmason@...zu.us>
To:     Allen Hubbe <allenbh@...il.com>
Cc:     gustavo@...eddedor.com, dave.jiang@...el.com,
        linux-ntb@...glegroups.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ntb: ntb_transport: Mark expected switch fall-throughs

On Fri, Oct 05, 2018 at 01:03:01PM -0400, Allen Hubbe wrote:
> On Fri, Oct 5, 2018 at 3:12 AM Gustavo A. R. Silva
> <gustavo@...eddedor.com> wrote:
> > In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> > where we are expecting to fall through.
> >
> > Addresses-Coverity-ID: 1373888 ("Missing break in switch")
> > Addresses-Coverity-ID: 1373889 ("Missing break in switch")
> > Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> 
> Acked-by: Allen Hubbe <allenbh@...il.com>

Applied

Thanks,
Jon

> 
> > ---
> >  drivers/ntb/ntb_transport.c | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
> > index 9398959..c643b9c 100644
> > --- a/drivers/ntb/ntb_transport.c
> > +++ b/drivers/ntb/ntb_transport.c
> > @@ -1278,6 +1278,7 @@ static void ntb_rx_copy_callback(void *data,
> >                 case DMA_TRANS_READ_FAILED:
> >                 case DMA_TRANS_WRITE_FAILED:
> >                         entry->errors++;
> > +                       /* fall through */
> >                 case DMA_TRANS_ABORTED:
> >                 {
> >                         struct ntb_transport_qp *qp = entry->qp;
> > @@ -1533,6 +1534,7 @@ static void ntb_tx_copy_callback(void *data,
> >                 case DMA_TRANS_READ_FAILED:
> >                 case DMA_TRANS_WRITE_FAILED:
> >                         entry->errors++;
> > +                       /* fall through */
> >                 case DMA_TRANS_ABORTED:
> >                 {
> >                         void __iomem *offset =
> > --
> > 2.7.4