Instead of allocating the container struct, create a QOM object of the
appropriate type.

Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
---
 hw/vfio/container.c | 6 +++---
 hw/vfio/iommufd.c   | 4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/hw/vfio/container.c b/hw/vfio/container.c
index 3ae52530a9b500bd53ec9f9e66c73253d97c9aba..ff3a6831da83c0fe11060cd57918c4d87b10197c 100644
--- a/hw/vfio/container.c
+++ b/hw/vfio/container.c
@@ -435,7 +435,7 @@ static VFIOContainer *vfio_create_container(int fd, VFIOGroup *group,
     vioc_name = vfio_get_iommu_class_name(iommu_type);
     vioc = VFIO_IOMMU_CLASS(object_class_by_name(vioc_name));
 
-    container = g_malloc0(sizeof(*container));
+    container = VFIO_IOMMU_LEGACY(object_new(vioc_name));
     container->fd = fd;
     container->iommu_type = iommu_type;
     vfio_container_init(&container->bcontainer, vioc);
@@ -674,7 +674,7 @@ unregister_container_exit:
     vfio_cpr_unregister_container(bcontainer);
 
 free_container_exit:
-    g_free(container);
+    object_unref(container);
 
 close_fd_exit:
     close(fd);
@@ -718,7 +718,7 @@ static void vfio_disconnect_container(VFIOGroup *group)
         trace_vfio_disconnect_container(container->fd);
         vfio_cpr_unregister_container(bcontainer);
         close(container->fd);
-        g_free(container);
+        object_unref(container);
 
         vfio_put_address_space(space);
     }
diff --git a/hw/vfio/iommufd.c b/hw/vfio/iommufd.c
index 3e9d642034c2d2234ea701952c94a78ab32e9147..d59df858407f3cadb9405386ad673c99cdad61d0 100644
--- a/hw/vfio/iommufd.c
+++ b/hw/vfio/iommufd.c
@@ -239,7 +239,7 @@ static void iommufd_cdev_container_destroy(VFIOIOMMUFDContainer *container)
     memory_listener_unregister(&bcontainer->listener);
     vfio_container_destroy(bcontainer);
     iommufd_backend_free_id(container->be, container->ioas_id);
-    g_free(container);
+    object_unref(container);
 }
 
 static int iommufd_cdev_ram_block_discard_disable(bool state)
@@ -352,7 +352,7 @@ static bool iommufd_cdev_attach(const char *name, VFIODevice *vbasedev,
 
     trace_iommufd_cdev_alloc_ioas(vbasedev->iommufd->fd, ioas_id);
 
-    container = g_malloc0(sizeof(*container));
+    container = VFIO_IOMMU_IOMMUFD(object_new(TYPE_VFIO_IOMMU_IOMMUFD));
     container->be = vbasedev->iommufd;
     container->ioas_id = ioas_id;
 
-- 
2.45.2