netdev: make address const in device address management

The internal functions for add/deleting addresses don't change
their argument.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 2dc9d91..70d27a3 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -6890,7 +6890,7 @@
 
 static int ixgbe_ndo_fdb_add(struct ndmsg *ndm,
 			     struct net_device *dev,
-			     unsigned char *addr,
+			     const unsigned char *addr,
 			     u16 flags)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(dev);
@@ -6927,7 +6927,7 @@
 
 static int ixgbe_ndo_fdb_del(struct ndmsg *ndm,
 			     struct net_device *dev,
-			     unsigned char *addr)
+			     const unsigned char *addr)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(dev);
 	int err = -EOPNOTSUPP;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 66a9bfe..815dfcf 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -548,7 +548,7 @@
 
 static int macvlan_fdb_add(struct ndmsg *ndm,
 			   struct net_device *dev,
-			   unsigned char *addr,
+			   const unsigned char *addr,
 			   u16 flags)
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
@@ -567,7 +567,7 @@
 
 static int macvlan_fdb_del(struct ndmsg *ndm,
 			   struct net_device *dev,
-			   unsigned char *addr)
+			   const unsigned char *addr)
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
 	int err = -EINVAL;