Re: [PATCH] cpuidle: Fix reference count on CPU node
From: Miquel Sabaté Solà
Date: Tue Oct 22 2024 - 09:05:44 EST
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
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