sfc: Store MAC address from NVRAM in net_device::perm_addr

For some reason we failed to make this change when perm_addr was
introduced.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 07f684e..70e4f7d 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -1297,7 +1297,7 @@
 	}
 
 	/* Read the MAC addresses */
-	memcpy(efx->mac_address, nvconfig->mac_address[0], ETH_ALEN);
+	memcpy(efx->net_dev->perm_addr, nvconfig->mac_address[0], ETH_ALEN);
 
 	netif_dbg(efx, probe, efx->net_dev, "PHY is %d phy_id %d\n",
 		  efx->phy_type, efx->mdio.prtad);