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device_add: don't add a /peripheral link until init is complete 

Otherwise we end up with a dangling reference which causes qdev_free() to fail.

Reported-by: Michael Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2012-02-12 11:36:24 -06:00
parent 83f7d43a9e
commit b2d4b3f7b8
1 changed files with 10 additions and 8 deletions
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18
hw/qdev-monitor.c
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@ -457,6 +457,16 @@ DeviceState *qdev_device_add(QemuOpts *opts)
id = qemu_opts_id(opts);
if (id) {
qdev->id = id;
}
if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) {
qdev_free(qdev);
return NULL;
}
if (qdev_init(qdev) < 0) {
qerror_report(QERR_DEVICE_INIT_FAILED, driver);
return NULL;
}
if (qdev->id) {
object_property_add_child(qdev_get_peripheral(), qdev->id,
OBJECT(qdev), NULL);
} else {
@ -466,14 +476,6 @@ DeviceState *qdev_device_add(QemuOpts *opts)
OBJECT(qdev), NULL);
g_free(name);
}
if (qemu_opt_foreach(opts, set_property, qdev, 1) != 0) {
qdev_free(qdev);
return NULL;
}
if (qdev_init(qdev) < 0) {
qerror_report(QERR_DEVICE_INIT_FAILED, driver);
return NULL;
}
qdev->opts = opts;
return qdev;
}