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qdev: simplify (de)allocation of buses 

All conditional deallocation can now be done with object_delete.
Remove the @qom_allocated and @glib_allocated fields; replace the latter
with a direct assignment of the @free function pointer.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2012-11-23 09:47:15 +01:00 committed by Anthony Liguori
parent fde9bf4470
commit 64b625f4b2
4 changed files with 3 additions and 16 deletions
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2
hw/pci.c
View File

@ -301,9 +301,9 @@ PCIBus *pci_bus_new(DeviceState *parent, const char *name,
PCIBus *bus;
bus = g_malloc0(sizeof(*bus));
bus->qbus.glib_allocated = true;
pci_bus_new_inplace(bus, parent, name, address_space_mem,
address_space_io, devfn_min);
OBJECT(bus)->free = g_free;
return bus;
}

5
hw/qdev-core.h
View File

@ -106,17 +106,12 @@ typedef struct BusChild {
/**
* BusState:
* @qom_allocated: Indicates whether the object was allocated by QOM.
* @glib_allocated: Indicates whether the object was initialized in-place
* yet is expected to be freed with g_free().
*/
struct BusState {
Object obj;
DeviceState *parent;
const char *name;
int allow_hotplug;
bool qom_allocated;
bool glib_allocated;
int max_index;
QTAILQ_HEAD(ChildrenHead, BusChild) children;
QLIST_ENTRY(BusState) sibling;

10
hw/qdev.c
View File

@ -454,7 +454,6 @@ BusState *qbus_create(const char *typename, DeviceState *parent, const char *nam
BusState *bus;
bus = BUS(object_new(typename));
bus->qom_allocated = true;
bus->parent = parent;
bus->name = name ? g_strdup(name) : NULL;
@ -465,14 +464,7 @@ BusState *qbus_create(const char *typename, DeviceState *parent, const char *nam
void qbus_free(BusState *bus)
{
if (bus->qom_allocated) {
object_delete(OBJECT(bus));
} else {
object_finalize(OBJECT(bus));
if (bus->glib_allocated) {
g_free(bus);
}
}
object_delete(OBJECT(bus));
}
static char *bus_get_fw_dev_path(BusState *bus, DeviceState *dev)

2
hw/sysbus.c
View File

@ -274,7 +274,7 @@ static void main_system_bus_create(void)
main_system_bus = g_malloc0(system_bus_info.instance_size);
qbus_create_inplace(main_system_bus, TYPE_SYSTEM_BUS, NULL,
"main-system-bus");
main_system_bus->glib_allocated = true;
OBJECT(main_system_bus)->free = g_free;
object_property_add_child(container_get(qdev_get_machine(),
"/unattached"),
"sysbus", OBJECT(main_system_bus), NULL);