bonding: correct the cleanup in bond_create()

This patch makes the cleanup in bond_create nicer :) Also now the forgotten
free_netdev is called.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/bonding/bond_main.c

@@ -5158,16 +5158,15 @@ int bond_create(char *name, struct bond_params *params)
 	up_write(&bonding_rwsem);
 	rtnl_unlock(); /* allows sysfs registration of net device */
 	res = bond_create_sysfs_entry(netdev_priv(bond_dev));
-	if (res < 0) {
-		rtnl_lock();
-		down_write(&bonding_rwsem);
-		bond_deinit(bond_dev);
-		unregister_netdevice(bond_dev);
-		goto out_rtnl;
-	}
+	if (res < 0)
+		goto out_unreg;
 
 	return 0;
 
+out_unreg:
+	rtnl_lock();
+	down_write(&bonding_rwsem);
+	unregister_netdevice(bond_dev);
 out_bond:
 	bond_deinit(bond_dev);
 out_netdev: