monitor: convert do_device_del() to QObject, QError

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

hw/qdev.c

@@ -799,15 +799,15 @@ int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
     return 0;
 }
 
-void do_device_del(Monitor *mon, const QDict *qdict)
+int do_device_del(Monitor *mon, const QDict *qdict, QObject **ret_data)
 {
     const char *id = qdict_get_str(qdict, "id");
     DeviceState *dev;
 
     dev = qdev_find_recursive(main_system_bus, id);
     if (NULL == dev) {
-        error_report("Device '%s' not found", id);
-        return;
+        qerror_report(QERR_DEVICE_NOT_FOUND, id);
+        return -1;
     }
-    qdev_unplug(dev);
+    return qdev_unplug(dev);
 }

hw/qdev.h

@@ -176,7 +176,7 @@ void qbus_free(BusState *bus);
 void do_info_qtree(Monitor *mon);
 void do_info_qdm(Monitor *mon);
 int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data);
-void do_device_del(Monitor *mon, const QDict *qdict);
+int do_device_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
 
 /*** qdev-properties.c ***/
 

qemu-monitor.hx

@@ -589,7 +589,8 @@ ETEXI
         .args_type  = "id:s",
         .params     = "device",
         .help       = "remove device",
-        .mhandler.cmd = do_device_del,
+        .user_print = monitor_user_noop,
+        .mhandler.cmd_new = do_device_del,
     },
 
 STEXI