1 files changed, 3 insertions, 3 deletions

diff --git a/hw/isa/isa-bus.c b/hw/isa/isa-bus.c
index 2599c1219a..6c9802eb7a 100644
--- a/hw/isa/isa-bus.c
+++ b/hw/isa/isa-bus.c
@@ -29,7 +29,7 @@ static ISABus *isabus;
 
 static char *isabus_get_fw_dev_path(DeviceState *dev);
 
-static void isa_bus_class_init(ObjectClass *klass, void *data)
+static void isa_bus_class_init(ObjectClass *klass, const void *data)
 {
     BusClass *k = BUS_CLASS(klass);
 
@@ -205,7 +205,7 @@ ISADevice *isa_vga_init(ISABus *bus)
     }
 }
 
-static void isabus_bridge_class_init(ObjectClass *klass, void *data)
+static void isabus_bridge_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
@@ -220,7 +220,7 @@ static const TypeInfo isabus_bridge_info = {
     .class_init    = isabus_bridge_class_init,
 };
 
-static void isa_device_class_init(ObjectClass *klass, void *data)
+static void isa_device_class_init(ObjectClass *klass, const void *data)
 {
     DeviceClass *k = DEVICE_CLASS(klass);
     k->bus_type = TYPE_ISA_BUS;