linux-kernel - [PATCH 5.15 196/317] perf thread_map: Free strlist on normal path in thread_map__new_by_tid

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Date: Sun, 24 Mar 2024 19:32:56 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Yang Jihong <yangjihong1@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 196/317] perf thread_map: Free strlist on normal path in thread_map__new_by_tid_str()

From: Yang Jihong <yangjihong1@...wei.com>

[ Upstream commit 1eb3d924e3c0b8c27388b0583a989d757866efb6 ]

slist needs to be freed in both error path and normal path in
thread_map__new_by_tid_str().

Fixes: b52956c961be3a04 ("perf tools: Allow multiple threads or processes in record, stat, top")
Reviewed-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Yang Jihong <yangjihong1@...wei.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Link: https://lore.kernel.org/r/20240206083228.172607-6-yangjihong1@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/perf/util/thread_map.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c
index c9bfe4696943b..cee7fc3b5bb0c 100644
--- a/tools/perf/util/thread_map.c
+++ b/tools/perf/util/thread_map.c
@@ -279,13 +279,13 @@ struct perf_thread_map *thread_map__new_by_tid_str(const char *tid_str)
 		threads->nr = ntasks;
 	}
 out:
+	strlist__delete(slist);
 	if (threads)
 		refcount_set(&threads->refcnt, 1);
 	return threads;
 
 out_free_threads:
 	zfree(&threads);
-	strlist__delete(slist);
 	goto out;
 }
 
-- 
2.43.0