Hi Niklas, Thank you for the patch.
On Monday 31 Jul 2017 00:31:55 Niklas Söderlund wrote: > The call to v4l2_async_cleanup() will set sd->asd to NULL so passing it > to notifier->unbind() have no effect and leaves the notifier confused. > Call the unbind() callback prior to cleaning up the subdevice to avoid > this. > > Signed-off-by: Niklas Söderlund <niklas.soderlund+rene...@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com> > --- > 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 > 851f128eba2219ad..0acf288d7227ba97 100644 > --- a/drivers/media/v4l2-core/v4l2-async.c > +++ b/drivers/media/v4l2-core/v4l2-async.c > @@ -226,14 +226,14 @@ void v4l2_async_notifier_unregister(struct > v4l2_async_notifier *notifier) > > d = get_device(sd->dev); > > + if (notifier->unbind) > + notifier->unbind(notifier, sd, sd->asd); > + > v4l2_async_cleanup(sd); > > /* If we handled USB devices, we'd have to lock the parent too */ > device_release_driver(d); > > - if (notifier->unbind) > - notifier->unbind(notifier, sd, sd->asd); > - > /* > * Store device at the device cache, in order to call > * put_device() on the final step -- Regards, Laurent Pinchart
