linux-kernel - Re: [PATCH 3/5] tools lib traceevent: use else-if cascade, not separate ifs

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Date:	Tue, 18 Mar 2014 09:30:06 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Arnaldo Carvalho de Melo <acme@...hat.com>
Cc:	Namhyung Kim <namhyung@...nel.org>,
	Ramkumar Ramachandra <artagnon@...il.com>,
	LKML <linux-kernel@...r.kernel.org>, Jiri Olsa <jolsa@...hat.com>
Subject: Re: [PATCH 3/5] tools lib traceevent: use else-if cascade, not
 separate ifs

On Tue, 18 Mar 2014 10:10:48 -0300
Arnaldo Carvalho de Melo <acme@...hat.com> wrote:

> Em Tue, Mar 18, 2014 at 05:02:09PM +0900, Namhyung Kim escreveu:
> > On Mon, 17 Mar 2014 18:26:36 -0400, Ramkumar Ramachandra wrote:
> > > When token cannot be more than one value, it seems wasteful to go
> > > through all the strcmp() calls. Use an else-if cascade instead.
> > 
> > I think the end result will be same since it returns from inside the
> > block, right?
> 
> Exactly :-)
> 
> We could have it changed to something like:
> 
> 	if (strcmp()) {
> 		ret = bla();
> 		goto out_free_token;
> 	}
> .
> .
> .
> out_free_token:
> 	free_token(token);
> 	return ret;
> 
>  

Honestly, I prefer the original, thus I would add a NAK to this patch.

-- Steve
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