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virtio-crypto-pci: add check for cryptodev object

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We must assure each virtio crypto pci device has
an vaild cryptodev backend object.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Gonglei 2016-12-22 11:12:40 +08:00 committed by Michael S. Tsirkin
parent 6138dbda5a
commit 305f5131ac
1 changed files with 5 additions and 0 deletions
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5
hw/virtio/virtio-crypto-pci.c
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@ -31,6 +31,11 @@ static void virtio_crypto_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
VirtIOCryptoPCI *vcrypto = VIRTIO_CRYPTO_PCI(vpci_dev);
DeviceState *vdev = DEVICE(&vcrypto->vdev);
if (vcrypto->vdev.conf.cryptodev == NULL) {
error_setg(errp, "'cryptodev' parameter expects a valid object");
return;
}
qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
virtio_pci_force_virtio_1(vpci_dev);
object_property_set_bool(OBJECT(vdev), true, "realized", errp);