[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <20180709113242.GD22377@vkoul-mobl>
Date: Mon, 9 Jul 2018 17:02:42 +0530
From: Vinod <vkoul@...nel.org>
To: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
Cc: Dan Williams <dan.j.williams@...el.com>, dmaengine@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: nbpfaxi: Mark expected switch fall-through
On 06-07-18, 06:47, Gustavo A. R. Silva wrote:
> Hi Vinod,
>
> On 07/06/2018 12:56 AM, Vinod wrote:
> > On 02-07-18, 13:06, Gustavo A. R. Silva wrote:
> >> In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> >> where we are expecting to fall through.
> >>
> >> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> >> ---
> >> drivers/dma/nbpfaxi.c | 1 +
> >> 1 file changed, 1 insertion(+)
> >>
> >> diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
> >> index 2f9974d..8c7b2e8 100644
> >> --- a/drivers/dma/nbpfaxi.c
> >> +++ b/drivers/dma/nbpfaxi.c
> >> @@ -479,6 +479,7 @@ static size_t nbpf_xfer_size(struct nbpf_device *nbpf,
> >>
> >> default:
> >> pr_warn("%s(): invalid bus width %u\n", __func__, width);
> >> + /* fall through */
> >
> > Hmm this looks okay but am not able to trigger this warning..(used W=1) Did you
> > see this warning on your build, if so what options?
>
> Add this to your Makefile:
>
> KBUILD_CFLAGS += $(call cc-option,-Wimplicit-fallthrough=2)
Thanks, that did it..
Applied now thanks
--
~Vinod
Powered by blists - more mailing lists