Re: [PATCH] cpuidle: Fix reference count on CPU node

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On dj., de nov. 14 2024, Miquel Sabaté Solà wrote:

> On dt., d’oct. 22 2024, Miquel Sabaté Solà wrote:
>
>> On dt., d’oct. 01 2024, Miquel Sabaté Solà wrote:
>>
>>> On dt., de set. 17 2024, Miquel Sabaté Solà wrote:
>>>
>>>> For the qcom-spm driver, an early return was not calling the proper
>>>> of_node_put call for a previously acquired device node.
>>>>
>>>> Signed-off-by: Miquel Sabaté Solà <mikisabate@xxxxxxxxx>
>>>> ---
>>>>  drivers/cpuidle/cpuidle-qcom-spm.c | 4 +++-
>>>>  1 file changed, 3 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/drivers/cpuidle/cpuidle-qcom-spm.c b/drivers/cpuidle/cpuidle-qcom-spm.c
>>>> index 1fc9968eae19..d3608f47d02b 100644
>>>> --- a/drivers/cpuidle/cpuidle-qcom-spm.c
>>>> +++ b/drivers/cpuidle/cpuidle-qcom-spm.c
>>>> @@ -96,8 +96,10 @@ static int spm_cpuidle_register(struct device *cpuidle_dev, int cpu)
>>>>  		return -ENODEV;
>>>>
>>>>  	saw_node = of_parse_phandle(cpu_node, "qcom,saw", 0);
>>>> -	if (!saw_node)
>>>> +	if (!saw_node) {
>>>> +		of_node_put(cpu_node);
>>>>  		return -ENODEV;
>>>> +	}
>>>>
>>>>  	pdev = of_find_device_by_node(saw_node);
>>>>  	of_node_put(saw_node);
>>>
>>> Gently ping for a fix in the same spirit as [1].
>>>
>>> Could you take a look whenever you have some time?
>>>
>>> Thanks!
>>> Miquel
>>>
>>> [1] https://lore.kernel.org/all/20240917134246.584026-1-mikisabate@xxxxxxxxx/
>>
>> Gently ping. Could someone take a look at this fix?
>>
>> Thanks,
>> Miquel
>
> Hello,
>
> This is most probably too late for 6.12, but might this be included for
> 6.13?
>
> Could you take a look?
>
> Thanks,
> Miquel

Hello,

Gently ping. Could you please take a look at this fix?

Thanks,
Miquel

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