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* [PATCH 13/14] fec_mpc52xx: delete unneeded test before of_node_put
@ 2014-08-08 10:07 Julia Lawall
  2014-08-08 17:28 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Julia Lawall @ 2014-08-08 10:07 UTC (permalink / raw)
  To: netdev; +Cc: kernel-janitors, linux-kernel, Uwe Kleine-König

From: 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/)

// <smpl>
@@
expression e;
@@

-if (e)
   of_node_put(e);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
 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);

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 13/14] fec_mpc52xx: delete unneeded test before of_node_put
  2014-08-08 10:07 [PATCH 13/14] fec_mpc52xx: delete unneeded test before of_node_put Julia Lawall
@ 2014-08-08 17:28 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2014-08-08 17:28 UTC (permalink / raw)
  To: Julia.Lawall; +Cc: netdev, kernel-janitors, linux-kernel, u.kleine-koenig

From: Julia Lawall <Julia.Lawall@lip6.fr>
Date: Fri,  8 Aug 2014 12:07:54 +0200

> From: 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/)
 ...
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

Applied.

^ permalink raw reply	[flat|nested] 2+ messages in thread

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