030ffd4d43
When user space sets an invalid ta type, the pointer context will be empty. So it need to check the pointer context before using it Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com> Suggested-by: Tim Huang <Tim.Huang@amd.com> Reviewed-by: Tim Huang <Tim.Huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>