fec_mpc52xx: delete unneeded test before of_node_put

Author: Julia Lawall <Julia.Lawall@lip6.fr>

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/)

// 
@@
expression e;
@@

-if (e)
   of_node_put(e);
// 

Signed-off-by: Julia Lawall 
Signed-off-by: David S. Miller 
---
 drivers/net/ethernet/freescale/fec_mpc52xx.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
 
diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c
index 9947765..ff55fbb 100644
--- a/drivers/net/ethernet/freescale/fec_mpc52xx.c
+++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c
@@ -1015,8 +1015,7 @@ mpc52xx_fec_remove(struct platform_device *op)
 
 	unregister_netdev(ndev);
 
-	if (priv->phy_node)
-		of_node_put(priv->phy_node);
+	of_node_put(priv->phy_node);
 	priv->phy_node = NULL;
 
 	irq_dispose_mapping(ndev->irq);
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