linux-kernel - [PATCH 5.18 267/339] drm/amd/pm: fix a potential gpu_metrics

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Message-Id: <20220613094934.745789090@linuxfoundation.org>
Date:   Mon, 13 Jun 2022 12:11:32 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Gong Yuanjun <ruc_gongyuanjun@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.18 267/339] drm/amd/pm: fix a potential gpu_metrics_table memory leak

From: Gong Yuanjun <ruc_gongyuanjun@....com>

[ Upstream commit d2f4460a3d9502513419f06cc376c7ade49d5753 ]

gpu_metrics_table is allocated in yellow_carp_init_smc_tables() but
not freed in yellow_carp_fini_smc_tables().

Signed-off-by: Gong Yuanjun <ruc_gongyuanjun@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
index 87257b1b028f..feff4f8c927c 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
@@ -190,6 +190,9 @@ static int yellow_carp_fini_smc_tables(struct smu_context *smu)
 	kfree(smu_table->watermarks_table);
 	smu_table->watermarks_table = NULL;
 
+	kfree(smu_table->gpu_metrics_table);
+	smu_table->gpu_metrics_table = NULL;
+
 	return 0;
 }
 
-- 
2.35.1