qom: make interface types abstract

Interfaces don't have instance, let's make the interface type really
abstract to avoid confusion.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20181204142023.15982-3-marcandre.lureau@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/include/hw/acpi/acpi_dev_interface.h b/include/hw/acpi/acpi_dev_interface.h
index dabf4c4fc9..43ff119179 100644
--- a/include/hw/acpi/acpi_dev_interface.h
+++ b/include/hw/acpi/acpi_dev_interface.h
@@ -25,11 +25,7 @@ typedef enum {
      INTERFACE_CHECK(AcpiDeviceIf, (obj), \
                      TYPE_ACPI_DEVICE_IF)
 
-
-typedef struct AcpiDeviceIf {
-    /* <private> */
-    Object Parent;
-} AcpiDeviceIf;
+typedef struct AcpiDeviceIf AcpiDeviceIf;
 
 void acpi_send_event(DeviceState *dev, AcpiEventStatusBits event);