Merge remote-tracking branch 'remotes/afaerber/tags/qom-devices-for-peter' into staging

QOM infrastructure fixes and device conversions

* Assertion fix for device_add with non-device types
* Documentation fix
* qdev_init() error reporting cleanups

# gpg: Signature made Tue Feb 24 13:56:33 2015 GMT using RSA key ID 3E7E013F
# gpg: Good signature from "Andreas Färber <afaerber@suse.de>"
# gpg:                 aka "Andreas Färber <afaerber@suse.com>"

* remotes/afaerber/tags/qom-devices-for-peter:
  parallel: parallel_hds_isa_init() shouldn't fail
  parallel: Factor out common parallel_hds_isa_init()
  serial: serial_hds_isa_init() shouldn't fail
  serial: Factor out common serial_hds_isa_init()
  etsec: Replace qdev_init() by qdev_init_nofail()
  leon3: Replace unchecked qdev_init() by qdev_init_nofail()
  ide/isa: Replace unchecked qdev_init() by qdev_init_nofail()
  qdev: Improve qdev_init_nofail()'s error reporting
  qom: Fix typo, 'my_class_init' -> 'derived_class_init'
  qdev: Avoid type assertion in qdev_build_hotpluggable_device_list()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 14 insertions, 4 deletions

diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index 44c6b93727..a02a4cb2ab 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -373,10 +373,15 @@ void qdev_simple_device_unplug_cb(HotplugHandler *hotplug_dev,
    way is somewhat unclean, and best avoided.  */
 void qdev_init_nofail(DeviceState *dev)
 {
-    const char *typename = object_get_typename(OBJECT(dev));
+    Error *err = NULL;
+
+    assert(!dev->realized);
 
-    if (qdev_init(dev) < 0) {
-        error_report("Initialization of device %s failed", typename);
+    object_property_set_bool(OBJECT(dev), true, "realized", &err);
+    if (err) {
+        error_report("Initialization of device %s failed: %s",
+                     object_get_typename(OBJECT(dev)),
+                     error_get_pretty(err));
         exit(1);
     }
 }
@@ -995,7 +1000,12 @@ void qdev_alias_all_properties(DeviceState *target, Object *source)
 static int qdev_add_hotpluggable_device(Object *obj, void *opaque)
 {
     GSList **list = opaque;
-    DeviceState *dev = DEVICE(obj);
+    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);