From 305f5131ac30b4a03e698bae0976f4cd24bb0a86 Mon Sep 17 00:00:00 2001 From: Gonglei Date: Thu, 22 Dec 2016 11:12:40 +0800 Subject: [PATCH] virtio-crypto-pci: add check for cryptodev object We must assure each virtio crypto pci device has an vaild cryptodev backend object. Signed-off-by: Gonglei Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/virtio/virtio-crypto-pci.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/hw/virtio/virtio-crypto-pci.c b/hw/virtio/virtio-crypto-pci.c index a1b09064c0..14bd12c634 100644 --- a/hw/virtio/virtio-crypto-pci.c +++ b/hw/virtio/virtio-crypto-pci.c @@ -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);