netdev - Re: [PATCH net-next] net: remove unnecessary return's

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 13 Feb 2014 08:02:39 -0800
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Joe Perches <joe@...ches.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	Julia Lawall <julia.lawall@...6.fr>
Subject: Re: [PATCH net-next] net: remove unnecessary return's

On Wed, 12 Feb 2014 22:32:05 -0800
Joe Perches <joe@...ches.com> wrote:

> On Wed, 2014-02-12 at 20:51 -0800, Stephen Hemminger wrote:
> > One of my pet coding style peeves is the practice of
> > adding extra return; at the end of function.
> > Kill several instances of this in network code.
> > I suppose some coccinelle wizardy could do this automatically.
> 
> Maybe, but grep version 2.5.4 will show most of them.
> 
> $ grep-2.5.4 -rP --include=*.[ch] "return;\n}" *
> [...]
> 
> Fixing them has to make sure that there's no
> label before the close brace.
> 
> gcc has to have a statement before the close brace
> of a void return after a label.
> 
> label:
> }
> 
> must be:
> 
> label:
> 	;
> }
> 
> to compile.
> 

My method was to use:
 find . -name '*.c' | xargs grep -Pzo '(?s)^(\s*)\Nreturn;.}'
Then ignore cases where it was done for final label and where return
was alone in stub function.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html