ethernet: s2io: use eth_hw_addr_set()

Manual conversions because we need to get to the member
which is inside an array to have a u8 pointer which
eth_hw_addr_set() expects.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/neterion/s2io.c

@@ -7954,7 +7954,7 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
 
 	/*  Set the factory defined MAC address initially   */
 	dev->addr_len = ETH_ALEN;
-	memcpy(dev->dev_addr, sp->def_mac_addr, ETH_ALEN);
+	eth_hw_addr_set(dev, sp->def_mac_addr[0].mac_addr);
 
 	/* initialize number of multicast & unicast MAC entries variables */
 	if (sp->device_type == XFRAME_I_DEVICE) {