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Message-ID: <DB3PR0402MB3916F370C524F3F8CE590167F5CF0@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date: Thu, 26 Mar 2020 14:17:05 +0000
From: Anson Huang <anson.huang@....com>
To: Daniel Lezcano <daniel.lezcano@...aro.org>,
"rui.zhang@...el.com" <rui.zhang@...el.com>,
"amit.kucheria@...durent.com" <amit.kucheria@...durent.com>,
"shawnguo@...nel.org" <shawnguo@...nel.org>,
"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
"kernel@...gutronix.de" <kernel@...gutronix.de>,
"festevam@...il.com" <festevam@...il.com>,
"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC: dl-linux-imx <linux-imx@....com>
Subject: RE: [PATCH] thermal: imx: Add missing of_node_put()
Hi, Daniel
> Subject: Re: [PATCH] thermal: imx: Add missing of_node_put()
>
> On 26/03/2020 06:27, Anson Huang wrote:
> > After finishing using cpu node got from of_get_cpu_node(),
> > of_node_put() needs to be called.
> >
> > Signed-off-by: Anson Huang <Anson.Huang@....com> ---
> > drivers/thermal/imx_thermal.c | 10 +++++++--- 1 file changed, 7
> > insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/thermal/imx_thermal.c
> > b/drivers/thermal/imx_thermal.c index e761c9b..f7b970d 100644 ---
> > a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c
> @@
> > -649,7 +649,7 @@ MODULE_DEVICE_TABLE(of, of_imx_thermal_match);
> static
> > int imx_thermal_register_legacy_cooling(struct imx_thermal_data *data)
> > { struct device_node *np; - int ret; + int ret = 0;
> >
> > data->policy = cpufreq_cpu_get(0); if (!data->policy) { @@ -664,11
> > +664,15 @@ static int imx_thermal_register_legacy_cooling(struct
> > imx_thermal_data *data) if (IS_ERR(data->cdev)) { ret =
> > PTR_ERR(data->cdev); cpufreq_cpu_put(data->policy); -
> return
> > ret; + goto put_node; } }
> >
> > - return 0; +put_node: + if (np) + of_node_put(np);
>
> of_node_put() is already checking if 'np' is NULL.
OK, I will remove the checking of if 'np' is NULL.
Thanks,
Anson
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