From 840b4495ef5c2d90d75f3f0d00d9018146f27d8e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Wed, 18 Oct 2023 14:34:42 +0200 Subject: [PATCH] hw/s390x/css-bridge: Realize sysbus device before accessing it MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit qbus_new() should not be called on unrealized device. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Thomas Huth Message-Id: <20231019071611.98885-10-philmd@linaro.org> --- hw/s390x/css-bridge.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/hw/s390x/css-bridge.c b/hw/s390x/css-bridge.c index 4017081d49..15d26efc95 100644 --- a/hw/s390x/css-bridge.c +++ b/hw/s390x/css-bridge.c @@ -95,7 +95,6 @@ static const TypeInfo virtual_css_bus_info = { VirtualCssBus *virtual_css_bus_init(void) { - VirtualCssBus *cbus; BusState *bus; DeviceState *dev; @@ -103,19 +102,19 @@ VirtualCssBus *virtual_css_bus_init(void) dev = qdev_new(TYPE_VIRTUAL_CSS_BRIDGE); object_property_add_child(qdev_get_machine(), TYPE_VIRTUAL_CSS_BRIDGE, OBJECT(dev)); - sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); /* Create bus on bridge device */ bus = qbus_new(TYPE_VIRTUAL_CSS_BUS, dev, "virtual-css"); - cbus = VIRTUAL_CSS_BUS(bus); /* Enable hotplugging */ qbus_set_hotplug_handler(bus, OBJECT(dev)); + sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); + css_register_io_adapters(CSS_IO_ADAPTER_VIRTIO, true, false, 0, &error_abort); - return cbus; + return VIRTUAL_CSS_BUS(bus); } /***************** Virtual-css Bus Bridge Device ********************/