linux-kernel - Re: [PATCH v2] net: ll_temac: Use one return statement instead of two

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Message-ID: <1431358794.2884.17.camel@perches.com>
Date:	Mon, 11 May 2015 08:39:54 -0700
From:	Joe Perches <joe@...ches.com>
To:	Michal Simek <michal.simek@...inx.com>
Cc:	linux-kernel@...r.kernel.org, Julia Lawall <julia.lawall@...6.fr>,
	Markus Elfring <elfring@...rs.sourceforge.net>
Subject: Re: [PATCH v2] net: ll_temac: Use one return statement instead of
 two

On Mon, 2015-05-11 at 17:26 +0200, Michal Simek wrote:
> On 05/11/2015 04:42 PM, Joe Perches wrote:
> > On Mon, 2015-05-11 at 16:05 +0200, Michal Simek wrote:
> >> Use one return statement instead of two to simplify the code.
> >> Both are returning the same value.
> > 
> > trivia and FYI:
> 
> But still correct right?

Yes.

> > I think there are about 100 of these in kernel tree
> > and I'm not going to submit patches.
> > 
> > $ grep-2.5.4 -rP --include=*.[ch] -n "^([\t]+)\treturn[ \t]+([A-Za-z0-9\_\>\(\)\.\>\[\]\-]+);\n(\1}\n)?\1return[ \t]+\2;" * | \
> >   grep -P "^[\w\/\.]+:\d+:"
> 
> Are you suggesting that someone else should send patches for it?

I get enough grief for doing style oriented patches,
so if someone else wants to, sure.

> I expect that this is something what Julia can check with coccinelle
> and can be added to scripts folder.

Maybe true.

A coccinelle script might be rather more complicated
than the simpler grep above, but perhaps the script
could be a bit more complete as it could likely look
at more code indentation styles.


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