mlx4_core: fix memory leak at multi_func_cleanup

Perform cleanup also in non-master flow.
The VFs use communication channel as well.
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/mellanox/mlx4/cmd.c

@@ -1616,12 +1616,12 @@ void mlx4_multi_func_cleanup(struct mlx4_dev *dev)
 				kfree(priv->mfunc.master.slave_state[i].vlan_filter[port]);
 		}
 		kfree(priv->mfunc.master.slave_state);
+	}
+
 	iounmap(priv->mfunc.comm);
 	dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
-						     priv->mfunc.vhcr,
-						     priv->mfunc.vhcr_dma);
+		     priv->mfunc.vhcr, priv->mfunc.vhcr_dma);
 	priv->mfunc.vhcr = NULL;
-	}
 }
 
 void mlx4_cmd_cleanup(struct mlx4_dev *dev)