ipmr: convert ipmr virtual interface to net_device_ops

Convert to new network device ops interface.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index ee58bcb..77fc4d3 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -222,12 +222,16 @@
 	return 0;
 }
 
+static const struct net_device_ops reg_vif_netdev_ops = {
+	.ndo_start_xmit	= reg_vif_xmit,
+};
+
 static void reg_vif_setup(struct net_device *dev)
 {
 	dev->type		= ARPHRD_PIMREG;
 	dev->mtu		= ETH_DATA_LEN - sizeof(struct iphdr) - 8;
 	dev->flags		= IFF_NOARP;
-	dev->hard_start_xmit	= reg_vif_xmit;
+	dev->netdev_ops		= &reg_vif_netdev_ops,
 	dev->destructor		= free_netdev;
 }