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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Cc: Samasth Norway Ananda <samasth.norway.ananda@oracle.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Sasha Levin <sashal@kernel.org>
Subject: [PATCH AUTOSEL 6.6 40/75] tools/power x86_energy_perf_policy: Fix file leak in get_pkg_num()
Date: Fri, 29 Mar 2024 08:42:21 -0400
Message-ID: <20240329124330.3089520-40-sashal@kernel.org>
In-Reply-To: <20240329124330.3089520-1-sashal@kernel.org>
References: <20240329124330.3089520-1-sashal@kernel.org>
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From: Samasth Norway Ananda <samasth.norway.ananda@oracle.com>

[ Upstream commit f85450f134f0b4ca7e042dc3dc89155656a2299d ]

In function get_pkg_num() if fopen_or_die() succeeds it returns a file
pointer to be used. But fclose() is never called before returning from
the function.

Signed-off-by: Samasth Norway Ananda <samasth.norway.ananda@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c b/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
index 5fd9e594079cf..ebda9c366b2ba 100644
--- a/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
+++ b/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
@@ -1241,6 +1241,7 @@ unsigned int get_pkg_num(int cpu)
 	retval = fscanf(fp, "%d\n", &pkg);
 	if (retval != 1)
 		errx(1, "%s: failed to parse", pathname);
+	fclose(fp);
 	return pkg;
 }
 
-- 
2.43.0