To avoid having code accidentaly changing class structs outside
class_init, make object_get_class() return a const pointer.

This will automatically affect OBJECT_GET_CLASS,
OBJECT_CLASS_CHECK, and the macros defined using them, because
OBJECT_CLASS_CHECK is already const-aware.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
 include/qom/object.h | 2 +-
 qom/object.c         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/qom/object.h b/include/qom/object.h
index 2b1513d2f2..de8ab70d13 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -803,7 +803,7 @@ Object *object_dynamic_cast_assert(Object *obj, const char *typename,
  *
  * Returns: The #ObjectClass of the type associated with @obj.
  */
-ObjectClass *object_get_class(Object *obj);
+const ObjectClass *object_get_class(Object *obj);
 
 /**
  * object_get_typename:
diff --git a/qom/object.c b/qom/object.c
index 9b6c990ac5..297cce8fc2 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -747,7 +747,7 @@ const char *object_get_typename(Object *obj)
     return obj->class->type->name;
 }
 
-ObjectClass *object_get_class(Object *obj)
+const ObjectClass *object_get_class(Object *obj)
 {
     return obj->class;
 }
-- 
2.11.0.259.g40922b1