linux-kernel - Re: [PATCH] perf tools: Fix resources leak in perf_data__open

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Date:   Mon, 2 Jan 2023 11:46:27 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Miaoqian Lin <linmq006@...il.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@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexey Bayduraev <alexey.v.bayduraev@...ux.intel.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf tools: Fix resources leak in perf_data__open_dir

Em Thu, Dec 29, 2022 at 01:27:39PM +0200, Adrian Hunter escreveu:
> On 29/12/22 11:09, Miaoqian Lin wrote:
> > In perf_data__open_dir(), opendir() opens the directory stream.
> > Add missing closedir() to release it after use.
> > 
> > Fixes: eb6176709b23 ("perf data: Add perf_data__open_dir_data function")
> > Signed-off-by: Miaoqian Lin <linmq006@...il.com>
> 
> Reviewed-by: Adrian Hunter <adrian.hunter@...el.com>

Thanks, applied.

- Arnaldo

 
> > ---
> >  tools/perf/util/data.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
> > index a7f68c309545..fc16299c915f 100644
> > --- a/tools/perf/util/data.c
> > +++ b/tools/perf/util/data.c
> > @@ -132,6 +132,7 @@ int perf_data__open_dir(struct perf_data *data)
> >  		file->size = st.st_size;
> >  	}
> >  
> > +	closedir(dir);
> >  	if (!files)
> >  		return -EINVAL;
> >  
> > @@ -140,6 +141,7 @@ int perf_data__open_dir(struct perf_data *data)
> >  	return 0;
> >  
> >  out_err:
> > +	closedir(dir);
> >  	close_dir(files, nr);
> >  	return ret;
> >  }

-- 

- Arnaldo