virtio: fix module/device unloading
The virtio code never hooked through the ->remove callback. Although
noone supports device removal at the moment, this code is already
needed for module unloading.
This of course also revealed bugs in virtio_blk, virtio_net and lguest
unloading paths.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index a75be57..d74e6f4 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -404,8 +404,12 @@
static void virtnet_remove(struct virtio_device *vdev)
{
- unregister_netdev(vdev->priv);
- free_netdev(vdev->priv);
+ struct virtnet_info *vi = vdev->priv;
+
+ vdev->config->del_vq(vi->svq);
+ vdev->config->del_vq(vi->rvq);
+ unregister_netdev(vi->dev);
+ free_netdev(vi->dev);
}
static struct virtio_device_id id_table[] = {