[media] w9966: zero device state after a detach

After a detach zero the whole device state to ensure a clean slate
on the next attach.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c
index 019ee206cbee..fa35639d0c15 100644
--- a/drivers/media/video/w9966.c
+++ b/drivers/media/video/w9966.c
@@ -937,6 +937,7 @@ static void w9966_term(struct w9966 *cam)
                 parport_unregister_device(cam->pdev);
                 w9966_set_state(cam, W9966_STATE_PDEV, 0);
         }
+        memset(cam, 0, sizeof(*cam));
 }