ll_temac: delete unneeded test before of_node_put
authorJulia Lawall <Julia.Lawall@lip6.fr>
Fri, 8 Aug 2014 10:07:53 +0000 (12:07 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 8 Aug 2014 17:28:08 +0000 (10:28 -0700)
Of_node_put supports NULL as its argument, so the initial test is not
necessary.

Suggested by Uwe Kleine-König.

The semantic patch that fixes this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression e;
@@

-if (e)
   of_node_put(e);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/xilinx/ll_temac_main.c

index 8a6e5c2d6f95a3f2f52f3d9b8148c81fffe7c5d3..36f4459520c366a88a33c9cf2663bf9e713955c3 100644 (file)
@@ -1148,8 +1148,7 @@ static int temac_of_remove(struct platform_device *op)
        temac_mdio_teardown(lp);
        unregister_netdev(ndev);
        sysfs_remove_group(&lp->dev->kobj, &temac_attr_group);
-       if (lp->phy_node)
-               of_node_put(lp->phy_node);
+       of_node_put(lp->phy_node);
        lp->phy_node = NULL;
        iounmap(lp->regs);
        if (lp->sdma_regs)