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Subject[PATCH] drm/amd/pm: fix a memleak in aldebaran_tables_init
Date
When kzalloc() for smu_table->ecc_table fails, we should free
the previously allocated resources to prevent memleak.

Fixes: edd794208555 ("drm/amd/pm: add message smu to get ecc_table v2")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
---
drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index 1a6675d70a4b..f1440869d1ce 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -257,8 +257,11 @@ static int aldebaran_tables_init(struct smu_context *smu)
}

smu_table->ecc_table = kzalloc(tables[SMU_TABLE_ECCINFO].size, GFP_KERNEL);
- if (!smu_table->ecc_table)
+ if (!smu_table->ecc_table) {
+ kfree(smu_table->metrics_table);
+ kfree(smu_table->gpu_metrics_table);
return -ENOMEM;
+ }

return 0;
}
--
2.17.1
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