From e7cce67f27bce49d8b6d09f4e66059d1fd117ebb Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Wed, 2 May 2012 13:30:54 +0200
Subject: qom: Add object_class_get_parent()
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This simple bit of functionality was missing and we'll need it soon,
so add it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Anthony Liguori <aliguori@us.ibm.com>
[AF: Document possible NULL return value]
Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 qom/object.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'qom')

diff --git a/qom/object.c b/qom/object.c
index 6f839ad..9582230 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);
-- 
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