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authorPeter Maydell <peter.maydell@linaro.org>2019-03-06 18:52:19 +0000
committerPeter Maydell <peter.maydell@linaro.org>2019-03-06 18:52:19 +0000
commit32694e98b8d7a246345448a8f707d2e11d6c65e2 (patch)
tree0e06e487e44277ebca74e231ada5d6665920c2e2 /hw/core/qdev.c
parentc557a8c7b755d8c153fc0f5be00688228be96e76 (diff)
parent14405c274e86e993e90198a49eecab3ca0ded8db (diff)
Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging
Machine queue, 2019-03-06 * qdev: Hotplug handler chaining (David Hildenbrand) * qdev: fix qbus_is_full() (Tony Krowiak) * hostmem: fix crash when querying empty host-nodes property via QMP (Igor Mammedov) # gpg: Signature made Wed 06 Mar 2019 18:39:29 GMT # gpg: using RSA key 2807936F984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full] # Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6 * remotes/ehabkost/tags/machine-next-pull-request: qdev: Provide qdev_get_bus_hotplug_handler() qdev: Let machine hotplug handler to override bus hotplug handler qdev: Let the hotplug_handler_unplug() caller delete the device hostmem: fix crash when querying empty host-nodes property via QMP qdev/core: fix qbus_is_full() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/core/qdev.c')
-rw-r--r--hw/core/qdev.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index d59071b8ed..512ce7ca7a 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -59,6 +59,8 @@ static void bus_remove_child(BusState *bus, DeviceState *child)
snprintf(name, sizeof(name), "child[%d]", kid->index);
QTAILQ_REMOVE(&bus->children, kid, sibling);
+ bus->num_children--;
+
/* This gives back ownership of kid->child back to us. */
object_property_del(OBJECT(bus), name, NULL);
object_unref(OBJECT(kid->child));
@@ -73,6 +75,7 @@ static void bus_add_child(BusState *bus, DeviceState *child)
char name[32];
BusChild *kid = g_malloc0(sizeof(*kid));
+ bus->num_children++;
kid->index = bus->max_index++;
kid->child = child;
object_ref(OBJECT(kid->child));
@@ -233,14 +236,20 @@ HotplugHandler *qdev_get_machine_hotplug_handler(DeviceState *dev)
return NULL;
}
+HotplugHandler *qdev_get_bus_hotplug_handler(DeviceState *dev)
+{
+ if (dev->parent_bus) {
+ return dev->parent_bus->hotplug_handler;
+ }
+ return NULL;
+}
+
HotplugHandler *qdev_get_hotplug_handler(DeviceState *dev)
{
- HotplugHandler *hotplug_ctrl;
+ HotplugHandler *hotplug_ctrl = qdev_get_machine_hotplug_handler(dev);
- if (dev->parent_bus && dev->parent_bus->hotplug_handler) {
- hotplug_ctrl = dev->parent_bus->hotplug_handler;
- } else {
- hotplug_ctrl = qdev_get_machine_hotplug_handler(dev);
+ if (hotplug_ctrl == NULL && dev->parent_bus) {
+ hotplug_ctrl = qdev_get_bus_hotplug_handler(dev);
}
return hotplug_ctrl;
}
@@ -286,8 +295,7 @@ void qbus_reset_all_fn(void *opaque)
void qdev_simple_device_unplug_cb(HotplugHandler *hotplug_dev,
DeviceState *dev, Error **errp)
{
- /* just zap it */
- object_unparent(OBJECT(dev));
+ object_property_set_bool(OBJECT(dev), false, "realized", NULL);
}
/*