net: stmmac: reduce indentation by adding a continue

As suggested by Joe Perches, replacing the "if phydev" logic permit to
reduce indentation in the for loop.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Reviewed-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c

@@ -247,20 +247,20 @@ int stmmac_mdio_register(struct net_device *ndev)
 	found = 0;
 	for (addr = 0; addr < PHY_MAX_ADDR; addr++) {
 		struct phy_device *phydev = mdiobus_get_phy(new_bus, addr);
-
-		if (phydev) {
 		int act = 0;
 		char irq_num[4];
 		char *irq_str;
 
+		if (!phydev)
+			continue;
+
 		/*
 		 * If an IRQ was provided to be assigned after
 		 * the bus probe, do it here.
 		 */
 		if (!mdio_bus_data->irqs &&
 		    (mdio_bus_data->probed_phy_irq > 0)) {
-				new_bus->irq[addr] =
-					mdio_bus_data->probed_phy_irq;
+			new_bus->irq[addr] = mdio_bus_data->probed_phy_irq;
 			phydev->irq = mdio_bus_data->probed_phy_irq;
 		}
 
@@ -286,12 +286,10 @@ int stmmac_mdio_register(struct net_device *ndev)
 			break;
 		}
 		netdev_info(ndev, "PHY ID %08x at %d IRQ %s (%s)%s\n",
-				    phydev->phy_id, addr,
-				    irq_str, phydev_name(phydev),
+			    phydev->phy_id, addr, irq_str, phydev_name(phydev),
 			    act ? " active" : "");
 		found = 1;
 	}
-	}
 
 	if (!found && !mdio_node) {
 		netdev_warn(ndev, "No PHY found\n");