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[AMD Official Use Only - General]
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
From: Bob Zhou <bob.zhou@xxxxxxx>
Sent: Tuesday, April 23, 2024 1:32 AM To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>; Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Koenig, Christian <Christian.Koenig@xxxxxxx> Cc: Zhou, Bob <Bob.Zhou@xxxxxxx> Subject: [PATCH 1/2] drm/amdgpu: fix double free err_addr pointer warnings In amdgpu_umc_bad_page_polling_timeout, the amdgpu_umc_handle_bad_pages
will be run many times so that double free err_addr in some special case. So set the err_addr to NULL to avoid the warnings. Signed-off-by: Bob Zhou <bob.zhou@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c index f486510fc94c..32e818d182fe 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_umc.c @@ -170,6 +170,7 @@ static void amdgpu_umc_handle_bad_pages(struct amdgpu_device *adev, } kfree(err_data->err_addr); + err_data->err_addr = NULL; mutex_unlock(&con->page_retirement_lock); } -- 2.34.1 |
