[Qemu-devel] [PATCH RFC 3/3] qdev: Hook up DeviceClass::init to ObjectClass::realize

["Andreas Färber" <afaerber@suse.de>]

On realize, call the qdev init function.
If that returns an error, raise QERR_DEVICE_INIT_FAILED.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Cc: Anthony Liguori <anthony@codemonkey.ws>
Cc: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/qdev.c |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/hw/qdev.c b/hw/qdev.c
index ee21d90..c84b656 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -649,6 +649,13 @@ static void device_finalize(Object *obj)
     QTAILQ_REMOVE(&dev->parent_bus->children, dev, sibling);
 }
 
+static int device_realize(Object *obj)
+{
+    DeviceState *dev = DEVICE(obj);
+
+    return qdev_init(dev);
+}
+
 void device_reset(DeviceState *dev)
 {
     DeviceClass *klass = DEVICE_GET_CLASS(dev);
@@ -658,6 +665,11 @@ void device_reset(DeviceState *dev)
     }
 }
 
+static void device_class_init(ObjectClass *class, void *data)
+{
+    class->realize = device_realize;
+}
+
 static TypeInfo device_type_info = {
     .name = TYPE_DEVICE,
     .parent = TYPE_OBJECT,
@@ -666,6 +678,7 @@ static TypeInfo device_type_info = {
     .instance_finalize = device_finalize,
     .abstract = true,
     .class_size = sizeof(DeviceClass),
+    .class_init = device_class_init,
 };
 
 static void qdev_register_types(void)
-- 
1.7.7