1 files changed, 3 insertions, 3 deletions
diff --git a/backends/iommufd.c b/backends/iommufd.c
index 9587e4d99b..b73f75cd0b 100644
--- a/backends/iommufd.c
+++ b/backends/iommufd.c
@@ -64,7 +64,7 @@ static bool iommufd_backend_can_be_deleted(UserCreatable *uc)
     return !be->users;
 }
 
-static void iommufd_backend_class_init(ObjectClass *oc, void *data)
+static void iommufd_backend_class_init(ObjectClass *oc, const void *data)
 {
     UserCreatableClass *ucc = USER_CREATABLE_CLASS(oc);
 
@@ -326,7 +326,7 @@ static int hiod_iommufd_get_cap(HostIOMMUDevice *hiod, int cap, Error **errp)
     }
 }
 
-static void hiod_iommufd_class_init(ObjectClass *oc, void *data)
+static void hiod_iommufd_class_init(ObjectClass *oc, const void *data)
 {
     HostIOMMUDeviceClass *hioc = HOST_IOMMU_DEVICE_CLASS(oc);
 
@@ -342,7 +342,7 @@ static const TypeInfo types[] = {
         .instance_finalize = iommufd_backend_finalize,
         .class_size = sizeof(IOMMUFDBackendClass),
         .class_init = iommufd_backend_class_init,
-        .interfaces = (InterfaceInfo[]) {
+        .interfaces = (const InterfaceInfo[]) {
             { TYPE_USER_CREATABLE },
             { }
         }