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Date: Fri, 8 Aug 2014 12:44:59 +0200 From: Michal Simek <michal.simek@...inx.com> To: Julia Lawall <Julia.Lawall@...6.fr>, Anirudha Sarangi <anirudh@...inx.com> CC: <kernel-janitors@...r.kernel.org>, John Linn <John.Linn@...inx.com>, Michal Simek <michal.simek@...inx.com>, <netdev@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, Uwe Kleine-König <u.kleine-koenig@...gutronix.de> Subject: Re: [PATCH 2/14] net: axienet: delete unneeded test before of_node_put On 08/08/2014 12:07 PM, Julia Lawall wrote: > From: Julia Lawall <Julia.Lawall@...6.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@...6.fr> > > --- > drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > index 7b0a735..30e8608 100644 > --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c > @@ -1630,8 +1630,7 @@ static int axienet_of_remove(struct platform_device *op) > axienet_mdio_teardown(lp); > unregister_netdev(ndev); > > - if (lp->phy_node) > - of_node_put(lp->phy_node); > + of_node_put(lp->phy_node); > lp->phy_node = NULL; > > iounmap(lp->regs); > Reviewed-by: Michal Simek <michal.simek@...inx.com> Thanks, Michal -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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