gx_device_enum_ptr(gx_device * dev)
{
    if (dev == 0 || dev->memory == 0)
        return 0;
    return dev;
}

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.