1 files changed, 3 insertions, 3 deletions

diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c
index b6d2743a9c..00572873d2 100644
--- a/hw/char/virtio-serial-bus.c
+++ b/hw/char/virtio-serial-bus.c
@@ -840,7 +840,7 @@ static const Property virtser_props[] = {
     DEFINE_PROP_STRING("name", VirtIOSerialPort, name),
 };
 
-static void virtser_bus_class_init(ObjectClass *klass, void *data)
+static void virtser_bus_class_init(ObjectClass *klass, const void *data)
 {
     BusClass *k = BUS_CLASS(klass);
     k->print_dev = virtser_bus_dev_print;
@@ -1092,7 +1092,7 @@ static void virtio_serial_device_realize(DeviceState *dev, Error **errp)
     QLIST_INSERT_HEAD(&vserdevices.devices, vser, next);
 }
 
-static void virtio_serial_port_class_init(ObjectClass *klass, void *data)
+static void virtio_serial_port_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
 
@@ -1159,7 +1159,7 @@ static const Property virtio_serial_properties[] = {
                       VIRTIO_CONSOLE_F_EMERG_WRITE, true),
 };
 
-static void virtio_serial_class_init(ObjectClass *klass, void *data)
+static void virtio_serial_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
     VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);