On Tue, 18 Oct 2022 12:28:25 -0300
Rafael Mendonca <rafaelmendsr@xxxxxxxxx> wrote:
> The ACPI _RST method has no return value, there's no need to pass a return
> buffer to acpi_evaluate_object().
>
> Fixes: d30daa33ec1d ("vfio: platform: call _RST method when using ACPI")
> Signed-off-by: Rafael Mendonca <rafaelmendsr@xxxxxxxxx>
> ---
> drivers/vfio/platform/vfio_platform_common.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/vfio/platform/vfio_platform_common.c b/drivers/vfio/platform/vfio_platform_common.c
> index 55dc4f43c31e..1a0a238ffa35 100644
> --- a/drivers/vfio/platform/vfio_platform_common.c
> +++ b/drivers/vfio/platform/vfio_platform_common.c
> @@ -72,12 +72,11 @@ static int vfio_platform_acpi_call_reset(struct vfio_platform_device *vdev,
> const char **extra_dbg)
> {
> #ifdef CONFIG_ACPI
> - struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
> struct device *dev = vdev->device;
> acpi_handle handle = ACPI_HANDLE(dev);
> acpi_status acpi_ret;
>
> - acpi_ret = acpi_evaluate_object(handle, "_RST", NULL, &buffer);
> + acpi_ret = acpi_evaluate_object(handle, "_RST", NULL, NULL);
> if (ACPI_FAILURE(acpi_ret)) {
> if (extra_dbg)
> *extra_dbg = acpi_format_exception(acpi_ret);
Applied to vfio next branch for v6.2. Thanks,
Alex
