linux-kernel - Re: [PATCH 01/11] perf, tools: Factor out scale conversion code

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Message-ID: <20170112180750.GC20003@kernel.org>
Date:   Thu, 12 Jan 2017 15:07:50 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     Jiri Olsa <jolsa@...hat.com>, Andi Kleen <andi@...stfloor.org>,
        jolsa@...nel.org, linux-kernel@...r.kernel.org, mingo@...nel.org,
        Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 01/11] perf, tools: Factor out scale conversion code

Em Thu, Jan 12, 2017 at 10:31:57AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Sun, Jan 08, 2017 at 07:57:53PM +0100, Jiri Olsa escreveu:
> > On Tue, Jan 03, 2017 at 07:08:23AM -0800, Andi Kleen wrote:
> > 
> > SNIP
> > 
> > > -		goto error;
> > > -
> > > -	if (scale[sret - 1] == '\n')
> > > -		scale[sret - 1] = '\0';
> > > -	else
> > > -		scale[sret] = '\0';
> > > +	int ret = 0;
> > >  
> > >  	/*
> > >  	 * save current locale
> > > @@ -133,8 +111,8 @@ static int perf_pmu__parse_scale(struct perf_pmu_alias *alias, char *dir, char *
> > >  	 */
> > >  	lc = strdup(lc);
> > >  	if (!lc) {
> > > -		ret = -ENOMEM;
> > > -		goto error;
> > > +		ret = -1;
> > > +		goto out;
> > 
> > not sure why you changed the -ENOMEM to -1 ;-) but it's ok anyway
> 
> These unrelated things are just that, noise, I'll ditch it to reduce
> patch size while not introducing any functional change.

But then this return is not even being looked at anywhere :-\
  
> > Acked-by: Jiri Olsa <jolsa@...nel.org>
> 
> Will keep your ack tho :-)
> 
> - Arnaldo
>  
> > thanks,
> > jirka