On Wed, Jun 7, 2017 at 9:05 AM, Lee, Chun-Yi <joeyli.ker...@gmail.com> wrote:
> Kernel should decrements the reference count of acpi device
> when scheduling acpi hotplug work is failed, and also evaluates
> _OST to notify BIOS the failure.

> -       if (hotplug_event && ACPI_SUCCESS(acpi_hotplug_schedule(adev, type)))
> -               return;
> +       if (hotplug_event) {
> +               if (ACPI_FAILURE(acpi_hotplug_schedule(adev, type))) {
> +                       acpi_bus_put_acpi_device(adev);
> +                       goto err;
> +               } else {
> +                       return;
> +               }
> +       }

Wouldn't be simpler to

-               return;
+               goto err_put_device;

+ err_put_device:
+       acpi_bus_put_acpi_device(adev);
 err:

-- 
With Best Regards,
Andy Shevchenko

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