[PATCH 5.10 020/130] drm/amd/amdgpu: fix potential memleak

Greg Kroah-Hartman
2021-12-06T15:29:47Z

From: Bernard Zhao <bernard@vivo.com>

[ Upstream commit 27dfaedc0d321b4ea4e10c53e4679d6911ab17aa ]

In function amdgpu_get_xgmi_hive, when kobject_init_and_add failed
There is a potential memleak if not call kobject_put.

Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Bernard Zhao <bernard@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index 0526dec1d736e..042c85fc528bb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -358,6 +358,7 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
"%s", "xgmi_hive_info");
if (ret) {
dev_err(adev->dev, "XGMI: failed initializing kobject for xgmi hive\n");
+ kobject_put(&hive->kobj);
kfree(hive);
hive = NULL;
goto pro_end;
--
2.33.0