vhost: assert the log was cleaned up

Make sure the log was released on cleanup, or it will leak (the
alternative is to call vhost_log_put() unconditionally, but it may hide
some dev state issues).

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 9bac163..8a18f9b 100644 (file)
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -1134,6 +1134,7 @@ void vhost_dev_cleanup(struct vhost_dev *hdev)
     g_free(hdev->mem);
     g_free(hdev->mem_sections);
     hdev->vhost_ops->vhost_backend_cleanup(hdev);
+    assert(!hdev->log);
     QLIST_REMOVE(hdev, entry);
 }