qom: allow object_get_canonical_path_component without parent
Just return NULL; any callers that cause a change in behavior
would have caused an assertion failure before, so this is safe.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/include/qom/object.h b/include/qom/object.h
index 96ce81b..a0c78c7 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -1302,6 +1302,7 @@
*
* Returns: The final component in the object's canonical path. The canonical
* path is the path within the composition tree starting from the root.
+ * %NULL if the object doesn't have a parent (and thus a canonical path).
*/
gchar *object_get_canonical_path_component(Object *obj);
diff --git a/qom/object.c b/qom/object.c
index 76a89af..0fc9720 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -1644,8 +1644,9 @@
ObjectProperty *prop = NULL;
GHashTableIter iter;
- g_assert(obj);
- g_assert(obj->parent != NULL);
+ if (obj->parent == NULL) {
+ return NULL;
+ }
g_hash_table_iter_init(&iter, obj->parent->properties);
while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) {
