1 files changed, 6 insertions, 1 deletions
diff --git a/softmmu/qdev-monitor.c b/softmmu/qdev-monitor.c
index a304754ab9..0705f00846 100644
--- a/softmmu/qdev-monitor.c
+++ b/softmmu/qdev-monitor.c
@@ -435,7 +435,12 @@ static DeviceState *qbus_find_dev(BusState *bus, char *elem)
 
 static inline bool qbus_is_full(BusState *bus)
 {
-    BusClass *bus_class = BUS_GET_CLASS(bus);
+    BusClass *bus_class;
+
+    if (bus->full) {
+        return true;
+    }
+    bus_class = BUS_GET_CLASS(bus);
     return bus_class->max_dev && bus->num_children >= bus_class->max_dev;
 }