diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2024-03-13 13:57:50 +0000 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2024-04-26 11:31:19 +0100 |
| commit | 8a718752f5c339137c5b05e54f116cd26d5a4143 (patch) | |
| tree | 9d4efc4c609fc4f8b2429c380e245d8e823acfe8 | |
| parent | aa7b148855e8265c4f72ae0305842efdda72680b (diff) | |
| download | linux-media-atomisp.tar.gz | |
media: v4l: async: Set owner for async sub-devicesmedia-atomisp
Set the owner field of the async sub-devices by making
v4l2_async_register_subdev() a macro and obtaining THIS_MODULE that way.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 8 | ||||
| -rw-r--r-- | include/media/v4l2-async.h | 4 |
2 files changed, 9 insertions, 3 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index b28f6811a5f44..3a22da443a223 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -783,7 +783,7 @@ v4l2_async_connection_unique(struct v4l2_subdev *sd) } EXPORT_SYMBOL_GPL(v4l2_async_connection_unique); -int v4l2_async_register_subdev(struct v4l2_subdev *sd) +int __v4l2_async_register_subdev(struct v4l2_subdev *sd, struct module *module) { struct v4l2_async_notifier *subdev_notifier; struct v4l2_async_notifier *notifier; @@ -807,6 +807,8 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd) return -EINVAL; } + sd->owner = module; + mutex_lock(&list_lock); list_for_each_entry(notifier, ¬ifier_list, notifier_entry) { @@ -849,9 +851,11 @@ err_unbind: mutex_unlock(&list_lock); + sd->owner = NULL; + return ret; } -EXPORT_SYMBOL(v4l2_async_register_subdev); +EXPORT_SYMBOL(__v4l2_async_register_subdev); void v4l2_async_unregister_subdev(struct v4l2_subdev *sd) { diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h index 9bd326d311812..f26c323e9c963 100644 --- a/include/media/v4l2-async.h +++ b/include/media/v4l2-async.h @@ -310,7 +310,9 @@ void v4l2_async_nf_cleanup(struct v4l2_async_notifier *notifier); * * @sd: pointer to &struct v4l2_subdev */ -int v4l2_async_register_subdev(struct v4l2_subdev *sd); +#define v4l2_async_register_subdev(sd) \ + __v4l2_async_register_subdev(sd, THIS_MODULE) +int __v4l2_async_register_subdev(struct v4l2_subdev *sd, struct module *module); /** * v4l2_async_register_subdev_sensor - registers a sensor sub-device to the |