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

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Message-Id: <20221229090903.1402395-1-linmq006@gmail.com>
Date:   Thu, 29 Dec 2022 13:09:00 +0400
From:   Miaoqian Lin <linmq006@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Alexey Bayduraev <alexey.v.bayduraev@...ux.intel.com>,
        Miaoqian Lin <linmq006@...il.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] perf tools: Fix resources leak in perf_data__open_dir

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>
---
 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;
 }
-- 
2.25.1