media: v4l2-core: v4l2-dev: add comments on device_register fail.

If device_register fails, then we are supposed to call put_device.
Explain why we do not do that.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
This commit is contained in:
Hans Verkuil 2026-07-17 15:42:46 +02:00
commit 1d21691540