qom: Demote already-has-a-parent to a regular error
Rather than an abort(). This allows callers to decide whether parenting
an already-parented object is a fatal error condition.
Useful for providing a default value for an object's parent in the case
where you want to set one iff it doesn't already have one.
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/qom/object.c b/qom/object.c
index c7ef776..1812c73 100644
--- a/qom/object.c
+++ b/qom/object.c
@@ -1089,6 +1089,11 @@
gchar *type;
ObjectProperty *op;
+ if (child->parent != NULL) {
+ error_setg(errp, "child object is already parented");
+ return;
+ }
+
type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child)));
op = object_property_add(obj, name, type, object_get_child_property, NULL,
@@ -1100,7 +1105,6 @@
op->resolve = object_resolve_child_property;
object_ref(child);
- g_assert(child->parent == NULL);
child->parent = obj;
out:
