diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c
index 019ee20..fa35639 100644
--- a/drivers/media/video/w9966.c
+++ b/drivers/media/video/w9966.c
@@ -937,6 +937,7 @@
 		parport_unregister_device(cam->pdev);
 		w9966_set_state(cam, W9966_STATE_PDEV, 0);
 	}
+	memset(cam, 0, sizeof(*cam));
 }