media: nuvoton: Fix reference handling of ece_node

media: nuvoton: Fix reference handling of ece_node

commit 8ba4ef40ad6ca62368292a69855324213181abfb upstream.

Make sure all the code paths call of_node_put().

Instead of manually calling of_node_put, use the __free macros/helpers.

Cc: stable@vger.kernel.org
Fixes: 46c15a4ff1f4 ("media: nuvoton: Add driver for NPCM video capture and encoding engine")
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>