fw_cfg: fw_cfg is a singleton

Make sure we only have a single instance ever:
because if it isn't we can't find it so it's
useless anyway.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2013-05-30 16:21:24 +03:00
parent 600c60b76d
commit cac122103a

View File

@ -496,10 +496,9 @@ FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
s = DO_UPCAST(FWCfgState, busdev.qdev, dev);
if (!object_resolve_path(FW_CFG_PATH, NULL)) {
object_property_add_child(qdev_get_machine(), FW_CFG_NAME, OBJECT(s),
NULL);
}
assert(!object_resolve_path(FW_CFG_PATH, NULL));
object_property_add_child(qdev_get_machine(), FW_CFG_NAME, OBJECT(s), NULL);
qdev_init_nofail(dev);