qdev: move helper function to monitor/misc

Move the one-user function to the place it is being used.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200110153039.1379601-5-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/monitor/misc.c b/monitor/misc.c
index de1ca4d..4752150 100644
--- a/monitor/misc.c
+++ b/monitor/misc.c
@@ -1959,6 +1959,32 @@
     g_slist_free(list);
 }
 
+static int qdev_add_hotpluggable_device(Object *obj, void *opaque)
+{
+    GSList **list = opaque;
+    DeviceState *dev = (DeviceState *)object_dynamic_cast(OBJECT(obj),
+                                                          TYPE_DEVICE);
+
+    if (dev == NULL) {
+        return 0;
+    }
+
+    if (dev->realized && object_property_get_bool(obj, "hotpluggable", NULL)) {
+        *list = g_slist_append(*list, dev);
+    }
+
+    return 0;
+}
+
+static GSList *qdev_build_hotpluggable_device_list(Object *peripheral)
+{
+    GSList *list = NULL;
+
+    object_child_foreach(peripheral, qdev_add_hotpluggable_device, &list);
+
+    return list;
+}
+
 static void peripheral_device_del_completion(ReadLineState *rs,
                                              const char *str, size_t len)
 {