igbvf: Use ETH_ALEN

Remove an unnecessary #define and use memcpy
instead of a loop to copy an ethernet address.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c
index 1955197..30a6cc4 100644
--- a/drivers/net/ethernet/intel/igbvf/vf.c
+++ b/drivers/net/ethernet/intel/igbvf/vf.c
@@ -246,7 +246,7 @@
 	for (i = 0; i < cnt; i++) {
 		hash_value = e1000_hash_mc_addr_vf(hw, mc_addr_list);
 		hash_list[i] = hash_value & 0x0FFFF;
-		mc_addr_list += ETH_ADDR_LEN;
+		mc_addr_list += ETH_ALEN;
 	}
 
 	mbx->ops.write_posted(hw, msgbuf, E1000_VFMAILBOX_SIZE);
@@ -333,10 +333,7 @@
  **/
 static s32 e1000_read_mac_addr_vf(struct e1000_hw *hw)
 {
-	int i;
-
-	for (i = 0; i < ETH_ADDR_LEN; i++)
-		hw->mac.addr[i] = hw->mac.perm_addr[i];
+	memcpy(hw->mac.addr, hw->mac.perm_addr, ETH_ALEN);
 
 	return E1000_SUCCESS;
 }