On Mon, Jul 28, 2025 at 9:06 AM Huisong Li <lihuisong@xxxxxxxxxx> wrote:
>
> The cpuidle device's memory has been leaked when register cpuidle
> device failed in acpi_processor_power_init().
>
> Fixes: 3d339dcbb56d ("cpuidle / ACPI : move cpuidle_device field out of the acpi_processor_power structure")
> Signed-off-by: Huisong Li <lihuisong@xxxxxxxxxx>
> ---
> drivers/acpi/processor_idle.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
> index 2c2dc559e0f8..031738390f2d 100644
> --- a/drivers/acpi/processor_idle.c
> +++ b/drivers/acpi/processor_idle.c
> @@ -1405,6 +1405,8 @@ int acpi_processor_power_init(struct acpi_processor *pr)
> if (retval) {
> if (acpi_processor_registered == 0)
> cpuidle_unregister_driver(&acpi_idle_driver);
> + kfree(dev);
> + per_cpu(acpi_cpuidle_device, pr->id) = NULL;
> return retval;
> }
> acpi_processor_registered++;
> --
Applied as 6.18 material with minor adjustments, thanks!
