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path: root/hw/virtio/vhost-user-gpio.c
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Diffstat (limited to 'hw/virtio/vhost-user-gpio.c')
-rw-r--r--hw/virtio/vhost-user-gpio.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/hw/virtio/vhost-user-gpio.c b/hw/virtio/vhost-user-gpio.c
index be9be08b4c..b7b82a1099 100644
--- a/hw/virtio/vhost-user-gpio.c
+++ b/hw/virtio/vhost-user-gpio.c
@@ -233,6 +233,8 @@ static int vu_gpio_connect(DeviceState *dev, Error **errp)
return 0;
}
+static void vu_gpio_event(void *opaque, QEMUChrEvent event);
+
static void vu_gpio_disconnect(DeviceState *dev)
{
VirtIODevice *vdev = VIRTIO_DEVICE(dev);
@@ -245,6 +247,11 @@ static void vu_gpio_disconnect(DeviceState *dev)
vu_gpio_stop(vdev);
vhost_dev_cleanup(&gpio->vhost_dev);
+
+ /* Re-instate the event handler for new connections */
+ qemu_chr_fe_set_handlers(&gpio->chardev,
+ NULL, NULL, vu_gpio_event,
+ NULL, dev, NULL, true);
}
static void vu_gpio_event(void *opaque, QEMUChrEvent event)
@@ -262,7 +269,9 @@ static void vu_gpio_event(void *opaque, QEMUChrEvent event)
}
break;
case CHR_EVENT_CLOSED:
- vu_gpio_disconnect(dev);
+ /* defer close until later to avoid circular close */
+ vhost_user_async_close(dev, &gpio->chardev, &gpio->vhost_dev,
+ vu_gpio_disconnect);
break;
case CHR_EVENT_BREAK:
case CHR_EVENT_MUX_IN: