staging: et131x: improve indenting in et131x_adjust_link()

Negate some 'if' checks to return early, allowing a large block of code
to be un-indented.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/et131x/et131x.c

@@ -3754,7 +3754,11 @@ static void et131x_adjust_link(struct net_device *netdev)
 	struct et131x_adapter *adapter = netdev_priv(netdev);
 	struct  phy_device *phydev = adapter->phydev;
 
-	if (phydev && phydev->link != adapter->link) {
+	if (!phydev)
+		return;
+	if (phydev->link == adapter->link)
+		return;
+
 	/* Check to see if we are in coma mode and if
 	 * so, disable it because we will not be able
 	 * to read PHY values until we are out.
@@ -3844,8 +3848,6 @@ static void et131x_adjust_link(struct net_device *netdev)
 		et131x_disable_txrx(netdev);
 		et131x_enable_txrx(netdev);
 	}
-
-	}
 }
 
 static int et131x_mii_probe(struct net_device *netdev)