static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	u32 tmp;

	if (get_user(tmp, (u32 __user *) arg))
		return -EFAULT;
	if (tmp == BRCTL_GET_VERSION)
		return BRCTL_VERSION + 1;
	return -EINVAL;
}
static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
	u32 tmp;

	if (get_user(tmp, (u32 __user *) arg))
		return -EFAULT;
	if (tmp == BRCTL_GET_VERSION)
		return BRCTL_VERSION + 1;
	return -EINVAL;
}