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-rw-r--r--include/hw/qdev-core.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index e70a4bfa49..35b8154e8b 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -206,6 +206,7 @@ struct BusState {
     HotplugHandler *hotplug_handler;
     int max_index;
     bool realized;
+    int num_children;
     QTAILQ_HEAD(, BusChild) children;
     QLIST_ENTRY(BusState) sibling;
 };