Commit d799a783 authored by Dinghao Liu's avatar Dinghao Liu Committed by Zheng Zengkai
Browse files

drm/amd/pm: fix a memleak in aldebaran_tables_init 

stable inclusion
from stable-v6.6.5
commit 6832e5396d68c182871447d438af259d08ee7d36
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8N21P

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=6832e5396d68c182871447d438af259d08ee7d36



--------------------------------

[ Upstream commit 7a88f23e768491bae653b444a96091d2aaeb0818 ]

When kzalloc() for smu_table->ecc_table fails, we should free
the previously allocated resources to prevent memleak.

Fixes: edd79420 ("drm/amd/pm: add message smu to get ecc_table v2")
Signed-off-by: default avatarDinghao Liu <dinghao.liu@zju.edu.cn>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parent f672c68c

drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c

+4 −1
Original line number Diff line number Diff line
@@ -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;

}