if ((new_mtu < 68) || (new_mtu > (1<<20)))
struct ibmveth_adapter *adapter = dev->priv; int i; int prev_smaller = 1;  if ((new_mtu < 68) || (new_mtu > (pool_size[IbmVethNumBufferPools-1]) - IBMVETH_BUFF_OH))
static int ibmveth_change_mtu(struct net_device *dev, int new_mtu){	if ((new_mtu < 68) || (new_mtu > (1<<20)))		return -EINVAL;	dev->mtu = new_mtu;	return 0;	}