Hi, On Thu, Oct 26, 2017 at 10:53:25AM +0300, Sakari Ailus wrote: > Register the sub-device before calling the notifier's bound callback. > Doing this the other way around is problematic as the struct v4l2_device > has not assigned for the sub-device yet and may be required by the bound > callback. > > Signed-off-by: Sakari Ailus <sakari.ai...@linux.intel.com> > Acked-by: Hans Verkuil <hans.verk...@cisco.com> > Acked-by: Pavel Machek <pa...@ucw.cz> > ---
Reviewed-by: Sebastian Reichel <sebastian.reic...@collabora.co.uk>
-- Sebastian
> drivers/media/v4l2-core/v4l2-async.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/media/v4l2-core/v4l2-async.c
> b/drivers/media/v4l2-core/v4l2-async.c
> index e170682dae78..46db85685894 100644
> --- a/drivers/media/v4l2-core/v4l2-async.c
> +++ b/drivers/media/v4l2-core/v4l2-async.c
> @@ -130,13 +130,13 @@ static int v4l2_async_match_notify(struct
> v4l2_async_notifier *notifier,
> {
> int ret;
>
> - ret = v4l2_async_notifier_call_bound(notifier, sd, asd);
> + ret = v4l2_device_register_subdev(notifier->v4l2_dev, sd);
> if (ret < 0)
> return ret;
>
> - ret = v4l2_device_register_subdev(notifier->v4l2_dev, sd);
> + ret = v4l2_async_notifier_call_bound(notifier, sd, asd);
> if (ret < 0) {
> - v4l2_async_notifier_call_unbind(notifier, sd, asd);
> + v4l2_device_unregister_subdev(sd);
> return ret;
> }
>
> --
> 2.11.0
>
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