6.9-stable review patch. If anyone has any objections, please let me know.
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From: Bob Zhou bob.zhou@amd.com
[ Upstream commit 506c245f3f1cd989cb89811a7f06e04ff8813a0d ]
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@amd.com Acked-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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 20436f81856ad..6f7451e3ee87e 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); }