From: Simon Horman <simon.horman@netronome.com>
To: dccp@vger.kernel.org
Subject: Re: [oss-drivers] [trivial PATCH] treewide: Convert switch/case fallthrough; to break;
Date: Thu, 17 Sep 2020 08:03:35 +0000 [thread overview]
Message-ID: <20200917080334.GB5769@netronome.com> (raw)
In-Reply-To: <e6387578c75736d61b2fe70d9783d91329a97eb4.camel@perches.com>
On Wed, Sep 09, 2020 at 01:06:39PM -0700, Joe Perches wrote:
> fallthrough to a separate case/default label break; isn't very readable.
>
> Convert pseudo-keyword fallthrough; statements to a simple break; when
> the next label is case or default and the only statement in the next
> label block is break;
>
> Found using:
>
> $ grep-2.5.4 -rP --include=*.[ch] -n "fallthrough;(\s*(case\s+\w+|default)\s*:\s*){1,7}break;" *
>
> Miscellanea:
>
> o Move or coalesce a couple label blocks above a default: block.
>
> Signed-off-by: Joe Perches <joe@perches.com>
...
> diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
> index 252fe06f58aa..1d5b87079104 100644
> --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
> +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c
> @@ -345,7 +345,7 @@ static int matching_bar(struct nfp_bar *bar, u32 tgt, u32 act, u32 tok,
> baract = NFP_CPP_ACTION_RW;
> if (act = 0)
> act = NFP_CPP_ACTION_RW;
> - fallthrough;
> + break;
> case NFP_PCIE_BAR_PCIE2CPP_MapType_FIXED:
> break;
> default:
This is a cascading fall-through handling all map types.
I don't think this change improves readability.
...
next prev parent reply other threads:[~2020-09-17 8:03 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-09 20:06 [trivial PATCH] treewide: Convert switch/case fallthrough; to break; Joe Perches
2020-09-09 20:38 ` Gustavo A. R. Silva
2020-09-09 20:55 ` Keith Busch
2020-09-09 22:36 ` Jason Gunthorpe
2020-09-09 22:47 ` Joe Perches
2020-09-10 6:28 ` Mauro Carvalho Chehab
2020-09-10 6:53 ` Wolfram Sang
2020-09-10 8:24 ` Nicolas.Ferre
2020-09-10 8:47 ` Felipe Balbi
2020-09-10 9:18 ` Steffen Maier
2020-09-10 9:24 ` Ilya Dryomov
2020-09-10 10:16 ` Matthias Brugger
2020-09-10 14:21 ` Robin Murphy
2020-09-11 4:19 ` Joe Perches
2020-09-15 9:19 ` Miquel Raynal
2020-09-17 8:03 ` Simon Horman [this message]
2020-09-17 19:40 ` Jacob Keller
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