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Diffstat (limited to 'hw/virtio/vhost-user-scmi.c')
-rw-r--r--hw/virtio/vhost-user-scmi.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/hw/virtio/vhost-user-scmi.c b/hw/virtio/vhost-user-scmi.c
index 300847e..f9264c4 100644
--- a/hw/virtio/vhost-user-scmi.c
+++ b/hw/virtio/vhost-user-scmi.c
@@ -83,7 +83,7 @@ err_host_notifiers:
return ret;
}
-static void vu_scmi_stop(VirtIODevice *vdev)
+static int vu_scmi_stop(VirtIODevice *vdev)
{
VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);
BusState *qbus = BUS(qdev_get_parent_bus(DEVICE(vdev)));
@@ -93,41 +93,46 @@ static void vu_scmi_stop(VirtIODevice *vdev)
/* vhost_dev_is_started() check in the callers is not fully reliable. */
if (!scmi->started_vu) {
- return;
+ return 0;
}
scmi->started_vu = false;
if (!k->set_guest_notifiers) {
- return;
+ return 0;
}
- vhost_dev_stop(vhost_dev, vdev, true);
+ ret = vhost_dev_stop(vhost_dev, vdev, true);
- ret = k->set_guest_notifiers(qbus->parent, vhost_dev->nvqs, false);
- if (ret < 0) {
+ if (k->set_guest_notifiers(qbus->parent, vhost_dev->nvqs, false) < 0) {
error_report("vhost guest notifier cleanup failed: %d", ret);
- return;
+ return -1;
}
vhost_dev_disable_notifiers(vhost_dev, vdev);
+ return ret;
}
-static void vu_scmi_set_status(VirtIODevice *vdev, uint8_t status)
+static int vu_scmi_set_status(VirtIODevice *vdev, uint8_t status)
{
VHostUserSCMI *scmi = VHOST_USER_SCMI(vdev);
bool should_start = virtio_device_should_start(vdev, status);
if (!scmi->connected) {
- return;
+ return -1;
}
if (vhost_dev_is_started(&scmi->vhost_dev) == should_start) {
- return;
+ return 0;
}
if (should_start) {
vu_scmi_start(vdev);
} else {
- vu_scmi_stop(vdev);
+ int ret;
+ ret = vu_scmi_stop(vdev);
+ if (ret < 0) {
+ return ret;
+ }
}
+ return 0;
}
static uint64_t vu_scmi_get_features(VirtIODevice *vdev, uint64_t features,
@@ -258,8 +263,6 @@ static void vu_scmi_device_realize(DeviceState *dev, Error **errp)
qemu_chr_fe_set_handlers(&scmi->chardev, NULL, NULL, vu_scmi_event, NULL,
dev, NULL, true);
-
- return;
}
static void vu_scmi_device_unrealize(DeviceState *dev)
@@ -277,12 +280,11 @@ static const VMStateDescription vu_scmi_vmstate = {
.unmigratable = 1,
};
-static Property vu_scmi_properties[] = {
+static const Property vu_scmi_properties[] = {
DEFINE_PROP_CHR("chardev", VHostUserSCMI, chardev),
- DEFINE_PROP_END_OF_LIST(),
};
-static void vu_scmi_class_init(ObjectClass *klass, void *data)
+static void vu_scmi_class_init(ObjectClass *klass, const void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass);