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-rw-r--r--hw/core/qdev-properties.c12
-rw-r--r--hw/core/qdev.c8
-rw-r--r--hw/dma/xilinx_axidma.c4
-rw-r--r--hw/net/xilinx_axienet.c4
-rw-r--r--hw/pcmcia/pxa2xx.c4
-rw-r--r--hw/s390x/s390-virtio-bus.c1
-rw-r--r--hw/s390x/virtio-ccw.c1
-rw-r--r--hw/virtio/virtio-pci.c1
-rw-r--r--hw/virtio/virtio-rng.c1
9 files changed, 33 insertions, 3 deletions
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
index 77d0c66635..c67acf58b5 100644
--- a/hw/core/qdev-properties.c
+++ b/hw/core/qdev-properties.c
@@ -21,6 +21,18 @@ void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
}
}
+void qdev_prop_allow_set_link_before_realize(Object *obj, const char *name,
+ Object *val, Error **errp)
+{
+ DeviceState *dev = DEVICE(obj);
+
+ if (dev->realized) {
+ error_setg(errp, "Attempt to set link property '%s' on device '%s' "
+ "(type '%s') after it was realized",
+ name, dev->id, object_get_typename(obj));
+ }
+}
+
void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
{
void *ptr = dev;
diff --git a/hw/core/qdev.c b/hw/core/qdev.c
index a182917222..97acf62906 100644
--- a/hw/core/qdev.c
+++ b/hw/core/qdev.c
@@ -97,7 +97,10 @@ static void bus_add_child(BusState *bus, DeviceState *child)
snprintf(name, sizeof(name), "child[%d]", kid->index);
object_property_add_link(OBJECT(bus), name,
object_get_typename(OBJECT(child)),
- (Object **)&kid->child, 0, NULL);
+ (Object **)&kid->child,
+ NULL, /* read-only property */
+ 0, /* return ownership on prop deletion */
+ NULL);
}
void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
@@ -823,7 +826,7 @@ static void device_initfn(Object *obj)
} while (class != object_class_by_name(TYPE_DEVICE));
object_property_add_link(OBJECT(dev), "parent_bus", TYPE_BUS,
- (Object **)&dev->parent_bus, 0,
+ (Object **)&dev->parent_bus, NULL, 0,
&error_abort);
}
@@ -945,6 +948,7 @@ static void qbus_initfn(Object *obj)
object_property_add_link(obj, QDEV_HOTPLUG_HANDLER_PROPERTY,
TYPE_HOTPLUG_HANDLER,
(Object **)&bus->hotplug_handler,
+ object_property_allow_set_link,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
NULL);
object_property_add_bool(obj, "realized",
diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c
index c8fda39122..14b887bfa8 100644
--- a/hw/dma/xilinx_axidma.c
+++ b/hw/dma/xilinx_axidma.c
@@ -538,10 +538,12 @@ static void xilinx_axidma_realize(DeviceState *dev, Error **errp)
object_property_add_link(OBJECT(ds), "dma", TYPE_XILINX_AXI_DMA,
(Object **)&ds->dma,
+ object_property_allow_set_link,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
&local_errp);
object_property_add_link(OBJECT(cs), "dma", TYPE_XILINX_AXI_DMA,
(Object **)&cs->dma,
+ object_property_allow_set_link,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
&local_errp);
if (local_errp) {
@@ -576,11 +578,13 @@ static void xilinx_axidma_init(Object *obj)
object_property_add_link(obj, "axistream-connected", TYPE_STREAM_SLAVE,
(Object **)&s->tx_data_dev,
+ qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
&error_abort);
object_property_add_link(obj, "axistream-control-connected",
TYPE_STREAM_SLAVE,
(Object **)&s->tx_control_dev,
+ qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
&error_abort);
diff --git a/hw/net/xilinx_axienet.c b/hw/net/xilinx_axienet.c
index 7ecf9251a7..839d97ca86 100644
--- a/hw/net/xilinx_axienet.c
+++ b/hw/net/xilinx_axienet.c
@@ -946,10 +946,12 @@ static void xilinx_enet_realize(DeviceState *dev, Error **errp)
object_property_add_link(OBJECT(ds), "enet", "xlnx.axi-ethernet",
(Object **) &ds->enet,
+ object_property_allow_set_link,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
&local_errp);
object_property_add_link(OBJECT(cs), "enet", "xlnx.axi-ethernet",
(Object **) &cs->enet,
+ object_property_allow_set_link,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
&local_errp);
if (local_errp) {
@@ -987,11 +989,13 @@ static void xilinx_enet_init(Object *obj)
object_property_add_link(obj, "axistream-connected", TYPE_STREAM_SLAVE,
(Object **) &s->tx_data_dev,
+ qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
&error_abort);
object_property_add_link(obj, "axistream-control-connected",
TYPE_STREAM_SLAVE,
(Object **) &s->tx_control_dev,
+ qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE,
&error_abort);
diff --git a/hw/pcmcia/pxa2xx.c b/hw/pcmcia/pxa2xx.c
index 6949214df3..96f377453d 100644
--- a/hw/pcmcia/pxa2xx.c
+++ b/hw/pcmcia/pxa2xx.c
@@ -198,7 +198,9 @@ static void pxa2xx_pcmcia_initfn(Object *obj)
s->slot.irq = qemu_allocate_irqs(pxa2xx_pcmcia_set_irq, s, 1)[0];
object_property_add_link(obj, "card", TYPE_PCMCIA_CARD,
- (Object **)&s->card, 0, NULL);
+ (Object **)&s->card,
+ NULL, /* read-only property */
+ 0, NULL);
}
/* Insert a new card into a slot */
diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index 930b4f7cd0..9c71afa031 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -314,6 +314,7 @@ static void s390_virtio_rng_instance_init(Object *obj)
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
(Object **)&dev->vdev.conf.rng,
+ qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE, NULL);
}
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index aebb2dec6d..2bf0af8f0a 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -1273,6 +1273,7 @@ static void virtio_ccw_rng_instance_init(Object *obj)
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
(Object **)&dev->vdev.conf.rng,
+ qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE, NULL);
}
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index eebb819d98..ce97514b69 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -1518,6 +1518,7 @@ static void virtio_rng_initfn(Object *obj)
object_property_add_child(obj, "virtio-backend", OBJECT(&dev->vdev), NULL);
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
(Object **)&dev->vdev.conf.rng,
+ qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE, NULL);
}
diff --git a/hw/virtio/virtio-rng.c b/hw/virtio/virtio-rng.c
index 2efda8b443..cbf01389a2 100644
--- a/hw/virtio/virtio-rng.c
+++ b/hw/virtio/virtio-rng.c
@@ -224,6 +224,7 @@ static void virtio_rng_initfn(Object *obj)
object_property_add_link(obj, "rng", TYPE_RNG_BACKEND,
(Object **)&vrng->conf.rng,
+ qdev_prop_allow_set_link_before_realize,
OBJ_PROP_LINK_UNREF_ON_RELEASE, NULL);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-29 02:43:11 +0000