From 4f456d8025c7259c66b2b2bcec99d5c6c94d99be Mon Sep 17 00:00:00 2001 From: Gonglei Date: Tue, 30 Sep 2014 14:10:31 +0800 Subject: [PATCH] virtio-serial: use aliases instead of duplicate qdev properties virtio-serial-{pci, s390, ccw} all duplicate the qdev properties of their VirtIOSerial 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 VirtIOSerial 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 --- 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 4276034..31f5286 100644 --- a/hw/s390x/s390-virtio-bus.c +++ b/hw/s390x/s390-virtio-bus.c @@ -226,6 +226,7 @@ static void s390_virtio_serial_instance_init(Object *obj) VirtIOSerialS390 *dev = VIRTIO_SERIAL_S390(obj); object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL); object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); + qdev_alias_all_properties(DEVICE(&dev->vdev), obj); } static int s390_virtio_scsi_init(VirtIOS390Device *s390_dev) @@ -537,7 +538,6 @@ static const TypeInfo s390_virtio_blk = { }; static Property s390_virtio_serial_properties[] = { - DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialS390, vdev.serial), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index a466674..271104d 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -852,6 +852,7 @@ static void virtio_ccw_serial_instance_init(Object *obj) VirtioSerialCcw *dev = VIRTIO_SERIAL_CCW(obj); object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL); object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); + qdev_alias_all_properties(DEVICE(&dev->vdev), obj); } static int virtio_ccw_balloon_init(VirtioCcwDevice *ccw_dev) @@ -1432,7 +1433,6 @@ static const TypeInfo virtio_ccw_blk = { static Property virtio_ccw_serial_properties[] = { DEFINE_PROP_STRING("devno", VirtioCcwDevice, bus_id), - DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtioSerialCcw, vdev.serial), 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 09f2093..3c1f37b 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1387,7 +1387,6 @@ static Property virtio_serial_pci_properties[] = { VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT, true), DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors, 2), DEFINE_PROP_UINT32("class", VirtIOPCIProxy, class_code, 0), - DEFINE_VIRTIO_SERIAL_PROPERTIES(VirtIOSerialPCI, vdev.serial), DEFINE_PROP_END_OF_LIST(), }; @@ -1410,6 +1409,7 @@ static void virtio_serial_pci_instance_init(Object *obj) VirtIOSerialPCI *dev = VIRTIO_SERIAL_PCI(obj); object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_VIRTIO_SERIAL); object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL); + qdev_alias_all_properties(DEVICE(&dev->vdev), obj); } static const TypeInfo virtio_serial_pci_info = { -- 2.7.4