[PATCH 2/2] drm/amd/pm: Fix a potential gpu_metrics_table memory leak

From: Zhen Ni
Date: Wed Aug 03 2022 - 05:20:58 EST


Memory is allocated for gpu_metrics_table in
smu_v13_0_5_init_smc_tables(), but not freed in
smu_v13_0_5_fini_smc_tables(). This may cause memory leaks, fix it.

Signed-off-by: Zhen Ni <nizhen@xxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
index b81711c4ff33..267c9c43a010 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
@@ -167,6 +167,9 @@ static int smu_v13_0_5_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;
}

--
2.20.1