linux-kernel - Re: [PATCH 1/1] perf diff: fix error return value in __cmd

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Date:   Fri, 27 Nov 2020 14:22:02 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Zhen Lei <thunder.leizhen@...wei.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/1] perf diff: fix error return value in __cmd_diff()

Em Fri, Nov 27, 2020 at 10:35:37PM +0900, Namhyung Kim escreveu:
> Hello,
> 
> On Tue, Nov 24, 2020 at 7:37 PM Zhen Lei <thunder.leizhen@...wei.com> wrote:
> >
> > An appropriate return value should be set on the failed path.
> >
> > Reported-by: Hulk Robot <hulkci@...wei.com>
> > Signed-off-by: Zhen Lei <thunder.leizhen@...wei.com>
> 
> Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks, applied.

- Arnaldo

 
> Thanks,
> Namhyung
> 
> > ---
> >  tools/perf/builtin-diff.c | 4 +++-
> >  1 file changed, 3 insertions(+), 1 deletion(-)
> >
> > diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
> > index 584e2e1a3793..cefc71506409 100644
> > --- a/tools/perf/builtin-diff.c
> > +++ b/tools/perf/builtin-diff.c
> > @@ -1222,8 +1222,10 @@ static int __cmd_diff(void)
> >                 if (compute == COMPUTE_STREAM) {
> >                         d->evlist_streams = evlist__create_streams(
> >                                                 d->session->evlist, 5);
> > -                       if (!d->evlist_streams)
> > +                       if (!d->evlist_streams) {
> > +                               ret = -ENOMEM;
> >                                 goto out_delete;
> > +                       }
> >                 }
> >         }
> >
> > --
> > 2.26.0.106.g9fadedd
> >
> >

-- 

- Arnaldo