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net: Xilinx: Deletion of unnecessary checks before two function calls
authorMarkus Elfring <elfring@users.sourceforge.net>
Thu, 20 Nov 2014 13:47:12 +0000 (14:47 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 21 Nov 2014 20:14:12 +0000 (15:14 -0500)
The functions kfree() and of_node_put() test whether their argument is NULL
and then return immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/xilinx/ll_temac_main.c
drivers/net/ethernet/xilinx/xilinx_emaclite.c

index 6290770..9c2d91e 100644 (file)
@@ -224,8 +224,7 @@ static void temac_dma_bd_release(struct net_device *ndev)
                dma_free_coherent(ndev->dev.parent,
                                sizeof(*lp->tx_bd_v) * TX_BD_NUM,
                                lp->tx_bd_v, lp->tx_bd_p);
-       if (lp->rx_skb)
-               kfree(lp->rx_skb);
+       kfree(lp->rx_skb);
 }
 
 /**
index 28dbbdc..2485879 100644 (file)
@@ -1200,8 +1200,7 @@ static int xemaclite_of_remove(struct platform_device *of_dev)
 
        unregister_netdev(ndev);
 
-       if (lp->phy_node)
-               of_node_put(lp->phy_node);
+       of_node_put(lp->phy_node);
        lp->phy_node = NULL;
 
        xemaclite_remove_ndev(ndev);