diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-async.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index d7e9ffc7aa237..b16b5f4cb91e2 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -416,7 +416,8 @@ static void v4l2_async_cleanup(struct v4l2_subdev *sd) /* Unbind all sub-devices in the notifier tree. */ static void -v4l2_async_nf_unbind_all_subdevs(struct v4l2_async_notifier *notifier) +v4l2_async_nf_unbind_all_subdevs(struct v4l2_async_notifier *notifier, + bool readd) { struct v4l2_subdev *sd, *tmp; @@ -425,9 +426,11 @@ v4l2_async_nf_unbind_all_subdevs(struct v4l2_async_notifier *notifier) v4l2_async_find_subdev_notifier(sd); if (subdev_notifier) - v4l2_async_nf_unbind_all_subdevs(subdev_notifier); + v4l2_async_nf_unbind_all_subdevs(subdev_notifier, true); v4l2_async_nf_call_unbind(notifier, sd, sd->asd); + if (readd) + list_add_tail(&sd->asd->list, ¬ifier->waiting); v4l2_async_cleanup(sd); list_move(&sd->async_list, &subdev_list); @@ -559,7 +562,7 @@ err_unbind: /* * On failure, unbind all sub-devices registered through this notifier. */ - v4l2_async_nf_unbind_all_subdevs(notifier); + v4l2_async_nf_unbind_all_subdevs(notifier, false); err_unlock: mutex_unlock(&list_lock); @@ -609,7 +612,7 @@ __v4l2_async_nf_unregister(struct v4l2_async_notifier *notifier) if (!notifier || (!notifier->v4l2_dev && !notifier->sd)) return; - v4l2_async_nf_unbind_all_subdevs(notifier); + v4l2_async_nf_unbind_all_subdevs(notifier, false); notifier->sd = NULL; notifier->v4l2_dev = NULL; @@ -807,7 +810,7 @@ err_unbind: */ subdev_notifier = v4l2_async_find_subdev_notifier(sd); if (subdev_notifier) - v4l2_async_nf_unbind_all_subdevs(subdev_notifier); + v4l2_async_nf_unbind_all_subdevs(subdev_notifier, false); if (sd->asd) v4l2_async_nf_call_unbind(notifier, sd, sd->asd); |