Re:Re: [PATCH] hwmon: (gsc-hwmon) Call of_node_get() before of_find_xxx API

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At 2022-09-15 14:59:10, "Guenter Roeck" <linux@xxxxxxxxxxxx> wrote:
>On Thu, Sep 15, 2022 at 10:02:45AM +0800, Liang He wrote:
>> In gsc_hwmon_get_devtree_pdata(), we should call of_node_get() before
>> the of_find_compatible_node() which will automatically call
>> of_node_put() for the 'from' argument.
>> 
>> Fixes: 3bce5377ef66 ("hwmon: Add Gateworks System Controller support")
>> Signed-off-by: Liang He <windhl@xxxxxxx>
>> Signed-off-by: Mengda Chen <chenmengda2009@xxxxxxx>
>
>That second Signed-off-by: doesn't make sense in this context since
>the patch is from and was sent by the first signer.
>

>Guenter


Hi, Guenter

I wonder if it is OK if mengda send a Signed-off-by for this 
or I shoud resend another new version (V2) in which I only attach my SOB 
and then mengda sends his SOB.

Thanks very much!

Liang



>> ---
>>  drivers/hwmon/gsc-hwmon.c | 1 +
>>  1 file changed, 1 insertion(+)
>> 
>> diff --git a/drivers/hwmon/gsc-hwmon.c b/drivers/hwmon/gsc-hwmon.c
>> index d64be48f1ef6..b60ec95b5edb 100644
>> --- a/drivers/hwmon/gsc-hwmon.c
>> +++ b/drivers/hwmon/gsc-hwmon.c
>> @@ -267,6 +267,7 @@ gsc_hwmon_get_devtree_pdata(struct device *dev)
>>  	pdata->nchannels = nchannels;
>>  
>>  	/* fan controller base address */
>> +	of_node_get(dev->parent->of_node);
>>  	fan = of_find_compatible_node(dev->parent->of_node, NULL, "gw,gsc-fan");
>>  	if (fan && of_property_read_u32(fan, "reg", &pdata->fan_base)) {
>>  		of_node_put(fan);
>> -- 
>> 2.25.1
>> 




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