From c4164eae39d65b6735724a181b027754970e08ea Mon Sep 17 00:00:00 2001 From: Gonglei Date: Tue, 30 Sep 2014 14:10:33 +0800 Subject: [PATCH] virtio-rng: use aliases instead of duplicate qdev properties virtio-rng-{pci, s390, ccw} all duplicate the qdev properties of their VirtIORNG child. This approach does not work well with string or pointer properties since we must be careful about leaking or double-freeing them. Use the QOM alias property to forward property accesses to the VirtIORNG child. This way no duplication is necessary. Signed-off-by: Gonglei Reviewed-by: Cornelia Huck Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini (cherry picked from commit 8ee486ae339f0e5236f4a9ab988fc963edcc73b5) Signed-off-by: Michael Roth --- hw/s390x/s390-virtio-bus.c | 2 +- hw/s390x/virtio-ccw.c | 2 +- hw/virtio/virtio-pci.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c index 422402e564..6d0a7f36e7 100644 --- a/hw/s390x/s390-virtio-bus.c +++ b/hw/s390x/s390-virtio-bus.c @@ -311,6 +311,7 @@ static void s390_virtio_rng_instance_init(Object *obj) VirtIORNGS390 *dev = VIRTIO_RNG_S390(obj); object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG); object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); + qdev_alias_all_properties(DEVICE(&dev->vdev), obj); object_property_add_link(obj, "rng", TYPE_RNG_BACKEND, (Object **)&dev->vdev.conf.rng, qdev_prop_allow_set_link_before_realize, @@ -561,7 +562,6 @@ static const TypeInfo s390_virtio_serial = { static Property s390_virtio_rng_properties[] = { DEFINE_VIRTIO_COMMON_FEATURES(VirtIOS390Device, host_features), - DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGS390, vdev.conf), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 5d7f3a6af7..da2e427716 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1542,6 +1542,7 @@ static void virtio_ccw_rng_instance_init(Object *obj) VirtIORNGCcw *dev = VIRTIO_RNG_CCW(obj); object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG); object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); + qdev_alias_all_properties(DEVICE(&dev->vdev), obj); object_property_add_link(obj, "rng", TYPE_RNG_BACKEND, (Object **)&dev->vdev.conf.rng, qdev_prop_allow_set_link_before_realize, @@ -1550,7 +1551,6 @@ static void virtio_ccw_rng_instance_init(Object *obj) static Property virtio_ccw_rng_properties[] = { DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), - DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORNGCcw, vdev.conf), DEFINE_PROP_BIT("ioeventfd", VirtioCcwDevice, flags, VIRTIO_CCW_FLAG_USE_IOEVENTFD_BIT, true), DEFINE_PROP_END_OF_LIST(), diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index 4d830aaba8..39cda4effd 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1485,7 +1485,6 @@ static const TypeInfo virtio_net_pci_info = { /* virtio-rng-pci */ static Property virtio_rng_pci_properties[] = { - DEFINE_VIRTIO_RNG_PROPERTIES(VirtIORngPCI, vdev.conf), DEFINE_PROP_END_OF_LIST(), }; @@ -1527,6 +1526,7 @@ static void virtio_rng_initfn(Object *obj) VirtIORngPCI *dev = VIRTIO_RNG_PCI(obj); object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_RNG); object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); + qdev_alias_all_properties(DEVICE(&dev->vdev), obj); object_property_add_link(obj, "rng", TYPE_RNG_BACKEND, (Object **)&dev->vdev.conf.rng, qdev_prop_allow_set_link_before_realize, -- GitLab