[Qemu-devel] [PATCH 02/21] qom: add object_class_get_parent

[Paolo Bonzini]

This simple bit of functionality was missing and we'll need it soon,
so add it.

Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
 include/qemu/object.h |    8 ++++++++
 qom/object.c          |   13 +++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/include/qemu/object.h b/include/qemu/object.h
index d315dfa..063c817 100644
--- a/include/qemu/object.h
+++ b/include/qemu/object.h
@@ -548,6 +548,14 @@ ObjectClass *object_class_dynamic_cast(ObjectClass *klass,
                                        const char *typename);
 
 /**
+ * object_class_get_parent:
+ * @klass: The class to obtain the parent for.
+ *
+ * Returns: The parent for @klass.
+ */
+ObjectClass *object_class_get_parent(ObjectClass *klass);
+
+/**
  * object_class_get_name:
  * @klass: The class to obtain the QOM typename for.
  *
diff --git a/qom/object.c b/qom/object.c
index e721fc2..3e9fed7 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -545,6 +545,19 @@ ObjectClass *object_class_by_name(const char *typename)
     return type->class;
 }
 
+ObjectClass *object_class_get_parent(ObjectClass *class)
+{
+    TypeImpl *type = type_get_parent(class->type);
+
+    if (!type) {
+        return NULL;
+    }
+
+    type_initialize(type);
+
+    return type->class;
+}
+
 typedef struct OCFData
 {
     void (*fn)(ObjectClass *klass, void *opaque);
-- 
1.7.9.3