Messages in this thread | | | From | Anson Huang <> | Subject | RE: [PATCH V2] thermal: imx: Add missing of_node_put() | Date | Wed, 29 Apr 2020 02:00:23 +0000 |
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Hi, Amit
> Subject: Re: [PATCH V2] thermal: imx: Add missing of_node_put() > > On Thu, Mar 26, 2020 at 8:06 PM Anson Huang <Anson.Huang@nxp.com> > 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@nxp.com> > > --- > > Changes since V1: > > - improve the logic, no need to use got. > > --- > > drivers/thermal/imx_thermal.c | 7 ++++--- > > 1 file changed, 4 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/thermal/imx_thermal.c > > b/drivers/thermal/imx_thermal.c index e761c9b..1b84ea6 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 +664,12 @@ 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); > > You could move this policy release outside the if block too, no?
Looks like yes, the policy can be put before function return anyway, I will do it in V3.
Thanks, Anson
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