No functional change.

This is done as a preparation for the following patches that will
introduce several device properties.

Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
---
 hw/i386/vmport.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/hw/i386/vmport.c b/hw/i386/vmport.c
index a78e20040a79..7c21e56081b0 100644
--- a/hw/i386/vmport.c
+++ b/hw/i386/vmport.c
@@ -25,6 +25,7 @@
 #include "hw/isa/isa.h"
 #include "hw/i386/pc.h"
 #include "hw/input/i8042.h"
+#include "hw/qdev-properties.h"
 #include "sysemu/hw_accel.h"
 #include "qemu/log.h"
 #include "trace.h"
@@ -167,6 +168,10 @@ static void vmport_realizefn(DeviceState *dev, Error **errp)
     vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, NULL);
 }
 
+static Property vmport_properties[] = {
+    DEFINE_PROP_END_OF_LIST(),
+};
+
 static void vmport_class_initfn(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -174,6 +179,7 @@ static void vmport_class_initfn(ObjectClass *klass, void *data)
     dc->realize = vmport_realizefn;
     /* Reason: realize sets global port_state */
     dc->user_creatable = false;
+    device_class_set_props(dc, vmport_properties);
 }
 
 static const TypeInfo vmport_info = {
-- 
2.20.1