linux-kernel - Re: [PATCH] perf config: fix caching and memory leak in perf_home

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Date:   Tue, 24 Aug 2021 16:26:40 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Riccardo Mancini <rickyman7@...il.com>
Cc:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>,
        Ian Rogers <irogers@...gle.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        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>,
        Jin Yao <yao.jin@...ux.intel.com>, Song Liu <song@...nel.org>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf config: fix caching and memory leak in
 perf_home_perfconfig

Em Fri, Aug 20, 2021 at 09:58:16PM +0200, Riccardo Mancini escreveu:
> On Fri, 2021-08-20 at 11:13 -0300, Arnaldo Carvalho de Melo wrote:
> > diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
> > index 63d472b336de21d4..4fb5e90d7a57ae48 100644
> > --- a/tools/perf/util/config.c
> > +++ b/tools/perf/util/config.c
> > @@ -581,7 +581,10 @@ const char *perf_home_perfconfig(void)
> >         static const char *config;
> >         static bool failed;
> >  
> > -       config = failed ? NULL : home_perfconfig();
> > +       if (failed || config)
> > +               return config;
> > +
> > +       config = home_perfconfig();
> >         if (!config)
> >                 failed = true;
> >  
> 
> Looks good to me.
> Shall I resend it fixed?

No need, I'll fix it and apply, thanks for checking!

- Arnaldo