[PATCH] drm/amdgpu: Fix double free in amdgpu_get_xgmi_hive

Miaoqian Lin linmq006 at gmail.com
Thu Jan 20 10:17:43 UTC 2022


Callback function amdgpu_xgmi_hive_release() in kobject_put()
calls kfree(hive), So we don't need call kfree(hive) again.

Fixes: 7b833d680481 ("drm/amd/amdgpu: fix potential memleak")
Signed-off-by: Miaoqian Lin <linmq006 at gmail.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
index e8b8f28c2f72..35d4b966ef2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c
@@ -393,7 +393,6 @@ struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev)
 	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;
 	}
-- 
2.17.1



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