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[3/3] Revert "bus: do not unref the added child bus on realize"

Message ID 20180613172815.32738-4-marcandre.lureau@redhat.com
State New
Headers show
Series Fix usb-ccid hotplug regression follow-up | expand

Commit Message

Marc-André Lureau June 13, 2018, 5:28 p.m. UTC
This is wrong.  object_finalize_child_property()'s unref balances the
ref in object_property_add_child().  qbus_realize's unref balances the
ref that was initially placed by object_new/object_initialize.

This reverts commit f3d58385a6d3d82f65db602c5506e2d3d8c82394.

Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 hw/core/bus.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/hw/core/bus.c b/hw/core/bus.c
index ad0c9df335..4651f24486 100644
--- a/hw/core/bus.c
+++ b/hw/core/bus.c
@@ -102,6 +102,7 @@  static void qbus_realize(BusState *bus, DeviceState *parent, const char *name)
         QLIST_INSERT_HEAD(&bus->parent->child_bus, bus, sibling);
         bus->parent->num_child_bus++;
         object_property_add_child(OBJECT(bus->parent), bus->name, OBJECT(bus), NULL);
+        object_unref(OBJECT(bus));
     } else if (bus != sysbus_get_default()) {
         /* TODO: once all bus devices are qdevified,
            only reset handler for main_system_bus should be registered here. */