qdev: add class_init to DeviceInfo

Since we are still dynamically creating TypeInfo, we need to chain the
class_init function in order to be able to make use of it within subclasses of
TYPE_DEVICE.

This will disappear once we register TypeInfos directly.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/hw/qdev.c b/hw/qdev.c
index c4b5284fdc..81996bbc36 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -54,6 +54,10 @@ static void qdev_subclass_init(ObjectClass *klass, void *data)
 
     /* Poison to try to detect future uses */
     dc->info->reset = NULL;
+
+    if (dc->info->class_init) {
+        dc->info->class_init(klass, data);
+    }
 }
 
 DeviceInfo *qdev_get_info(DeviceState *dev)