netdev - Re: [PATCH] rtl8xxxu: mark expected switch fall-throughs

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Date:   Wed, 11 Oct 2017 10:47:13 -0700
From:   Joe Perches <joe@...ches.com>
To:     David Laight <David.Laight@...LAB.COM>,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>,
        Jes Sorensen <Jes.Sorensen@...il.com>,
        Kalle Valo <kvalo@...eaurora.org>
Cc:     "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Arnaldo Carvalho de Melo <acme@...radead.org>
Subject: Re: [PATCH] rtl8xxxu: mark expected switch fall-throughs

On Wed, 2017-10-11 at 12:54 +0000, David Laight wrote:
> From: Joe Perches
> > Sent: 11 October 2017 11:21
> > On Tue, 2017-10-10 at 14:30 -0500, Gustavo A. R. Silva wrote:
> > > In preparation to enabling -Wimplicit-fallthrough, mark switch cases
> > > where we are expecting to fall through.
> > 
> > perhaps use Arnaldo's idea:
> > 
> > https://lkml.org/lkml/2017/2/9/845
> > https://lkml.org/lkml/2017/2/10/485
> 
> gah, that is even uglier and requires a chase through
> headers to find out what it means.

Sure, if you think __fallthrough; isn't self-documenting.

	case foo;
		bar;
		__fallthrough;
	case baz;
		etc...