diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-async.c')
-rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 5bada202b2d3..96cc733f35ef 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -42,7 +42,8 @@ static bool match_devname(struct v4l2_subdev *sd, static bool match_of(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) { - return sd->of_node == asd->match.of.node; + return !of_node_cmp(of_node_full_name(sd->of_node), + of_node_full_name(asd->match.of.node)); } static bool match_custom(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd) @@ -99,18 +100,11 @@ static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier, { int ret; - /* Remove from the waiting list */ - list_del(&asd->list); - sd->asd = asd; - sd->notifier = notifier; - if (notifier->bound) { ret = notifier->bound(notifier, sd, asd); if (ret < 0) return ret; } - /* Move from the global subdevice list to notifier's done */ - list_move(&sd->async_list, ¬ifier->done); ret = v4l2_device_register_subdev(notifier->v4l2_dev, sd); if (ret < 0) { @@ -119,6 +113,14 @@ static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier, return ret; } + /* Remove from the waiting list */ + list_del(&asd->list); + sd->asd = asd; + sd->notifier = notifier; + + /* Move from the global subdevice list to notifier's done */ + list_move(&sd->async_list, ¬ifier->done); + if (list_empty(¬ifier->waiting) && notifier->complete) return notifier->complete(notifier); @@ -168,9 +170,6 @@ int v4l2_async_notifier_register(struct v4l2_device *v4l2_dev, mutex_lock(&list_lock); - /* Keep also completed notifiers on the list */ - list_add(¬ifier->list, ¬ifier_list); - list_for_each_entry_safe(sd, tmp, &subdev_list, async_list) { int ret; @@ -185,6 +184,9 @@ int v4l2_async_notifier_register(struct v4l2_device *v4l2_dev, } } + /* Keep also completed notifiers on the list */ + list_add(¬ifier->list, ¬ifier_list); + mutex_unlock(&list_lock); return 0; @@ -202,7 +204,7 @@ void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier) if (!notifier->v4l2_dev) return; - dev = kmalloc(n_subdev * sizeof(*dev), GFP_KERNEL); + dev = kmalloc_array(n_subdev, sizeof(*dev), GFP_KERNEL); if (!dev) { dev_err(notifier->v4l2_dev->dev, "Failed to allocate device cache!\n"); |