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authorGonglei <arei.gonglei@huawei.com>2014-09-30 14:10:33 +0800
committerPaolo Bonzini <pbonzini@redhat.com>2014-09-30 11:09:21 +0200
commit8ee486ae339f0e5236f4a9ab988fc963edcc73b5 (patch)
treef1ad4541c3fabdcda8ef04a9110af67a2f75d563 /hw/s390x
parente77ca8b92af8a5213897331d676089e8919f383d (diff)
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 <arei.gonglei@huawei.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/s390x')
-rw-r--r--hw/s390x/s390-virtio-bus.c2
-rw-r--r--hw/s390x/virtio-ccw.c2
2 files changed, 2 insertions, 2 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(),