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path: root/drivers/media/v4l2-core/v4l2-device.c
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Diffstat (limited to 'drivers/media/v4l2-core/v4l2-device.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-device.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c
index e0ddb9a52bd1..7cca0de1b730 100644
--- a/drivers/media/v4l2-core/v4l2-device.c
+++ b/drivers/media/v4l2-core/v4l2-device.c
@@ -216,10 +216,18 @@ error_module:
}
EXPORT_SYMBOL_GPL(v4l2_device_register_subdev);
+static void v4l2_subdev_release(struct v4l2_subdev *sd)
+{
+ struct module *owner = !sd->owner_v4l2_dev ? sd->owner : NULL;
+
+ if (sd->internal_ops && sd->internal_ops->release)
+ sd->internal_ops->release(sd);
+ module_put(owner);
+}
+
static void v4l2_device_release_subdev_node(struct video_device *vdev)
{
- struct v4l2_subdev *sd = video_get_drvdata(vdev);
- sd->devnode = NULL;
+ v4l2_subdev_release(video_get_drvdata(vdev));
kfree(vdev);
}
@@ -318,8 +326,9 @@ void v4l2_device_unregister_subdev(struct v4l2_subdev *sd)
media_device_unregister_entity(&sd->entity);
}
#endif
- video_unregister_device(sd->devnode);
- if (!sd->owner_v4l2_dev)
- module_put(sd->owner);
+ if (sd->devnode)
+ video_unregister_device(sd->devnode);
+ else
+ v4l2_subdev_release(sd);
}
EXPORT_SYMBOL_GPL(v4l2_device_unregister_subdev);