[Qemu-devel] [PATCH v2 11/27] qom: fix canonical paths vs. interfaces

[Paolo Bonzini <pbonzini@redhat.com>]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 qom/object.c |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/qom/object.c b/qom/object.c
index 75be582..e8418bc 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -819,6 +819,12 @@ void object_property_add_child(Object *obj, const char *name,
 {
     gchar *type;
 
+    /* Registering an interface object in the composition tree will mightily
+     * confuse object_get_canonical_path (which, on the other hand, knows how
+     * to get the canonical path of an interface object).
+     */
+    assert(!object_is_type(obj, type_interface));
+
     type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child)));
 
     object_property_add(obj, name, type, object_get_child_property,
@@ -912,6 +918,10 @@ gchar *object_get_canonical_path(Object *obj)
     Object *root = object_get_root();
     char *newpath = NULL, *path = NULL;
 
+    if (object_is_type(obj, type_interface)) {
+        obj = INTERFACE(obj)->obj;
+    }
+
     while (obj != root) {
         ObjectProperty *prop = NULL;
 
-- 
1.7.7.6