mlxsw: spectrum: Fix helper function and port variable names

Commit dd82364c ("mlxsw: Flip to the new dev walk API") did some
small changes in mlxsw code, but it did not respect the naming
conventions. So fix this now.
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Reviewed-by: NIdo Schimmel <idosch@mellanox.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

@@ -3326,13 +3326,13 @@ bool mlxsw_sp_port_dev_check(const struct net_device *dev)
 	return dev->netdev_ops == &mlxsw_sp_port_netdev_ops;
 }
 
-static int mlxsw_lower_dev_walk(struct net_device *lower_dev, void *data)
+static int mlxsw_sp_lower_dev_walk(struct net_device *lower_dev, void *data)
 {
-	struct mlxsw_sp_port **port = data;
+	struct mlxsw_sp_port **p_mlxsw_sp_port = data;
 	int ret = 0;
 
 	if (mlxsw_sp_port_dev_check(lower_dev)) {
-		*port = netdev_priv(lower_dev);
+		*p_mlxsw_sp_port = netdev_priv(lower_dev);
 		ret = 1;
 	}
 
@@ -3341,15 +3341,15 @@ static int mlxsw_lower_dev_walk(struct net_device *lower_dev, void *data)
 
 static struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find(struct net_device *dev)
 {
-	struct mlxsw_sp_port *port;
+	struct mlxsw_sp_port *mlxsw_sp_port;
 
 	if (mlxsw_sp_port_dev_check(dev))
 		return netdev_priv(dev);
 
-	port = NULL;
-	netdev_walk_all_lower_dev(dev, mlxsw_lower_dev_walk, &port);
+	mlxsw_sp_port = NULL;
+	netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &mlxsw_sp_port);
 
-	return port;
+	return mlxsw_sp_port;
 }
 
 static struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev)
@@ -3362,15 +3362,16 @@ static struct mlxsw_sp *mlxsw_sp_lower_get(struct net_device *dev)
 
 static struct mlxsw_sp_port *mlxsw_sp_port_dev_lower_find_rcu(struct net_device *dev)
 {
-	struct mlxsw_sp_port *port;
+	struct mlxsw_sp_port *mlxsw_sp_port;
 
 	if (mlxsw_sp_port_dev_check(dev))
 		return netdev_priv(dev);
 
-	port = NULL;
-	netdev_walk_all_lower_dev_rcu(dev, mlxsw_lower_dev_walk, &port);
+	mlxsw_sp_port = NULL;
+	netdev_walk_all_lower_dev_rcu(dev, mlxsw_sp_lower_dev_walk,
+				      &mlxsw_sp_port);
 
-	return port;
+	return mlxsw_sp_port;
 }
 
 struct mlxsw_sp_port *mlxsw_sp_port_lower_dev_hold(struct net_device *dev)