aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/v4l2-core/v4l2-async.c
diff options
context:
space:
mode:
authorSakari Ailus <[email protected]>2024-03-13 13:57:50 +0000
committerMauro Carvalho Chehab <[email protected]>2024-04-26 10:31:19 +0000
commit8a718752f5c339137c5b05e54f116cd26d5a4143 (patch)
tree9d4efc4c609fc4f8b2429c380e245d8e823acfe8 /drivers/media/v4l2-core/v4l2-async.c
parentmedia: v4l: Set sub-device's owner field to the caller's module (diff)
downloadkernel-8a718752f5c339137c5b05e54f116cd26d5a4143.tar.gz
kernel-8a718752f5c339137c5b05e54f116cd26d5a4143.zip
media: v4l: async: Set owner for async sub-devices
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 <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-async.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-async.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index b28f6811a5f4..3a22da443a22 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, &notifier_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)
{