diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/v4l2-device.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c index b3dcb8454379..94aa485ade52 100644 --- a/drivers/media/video/v4l2-device.c +++ b/drivers/media/video/v4l2-device.c @@ -49,19 +49,26 @@ int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev) } EXPORT_SYMBOL_GPL(v4l2_device_register); +void v4l2_device_disconnect(struct v4l2_device *v4l2_dev) +{ + if (v4l2_dev->dev) { + dev_set_drvdata(v4l2_dev->dev, NULL); + v4l2_dev->dev = NULL; + } +} +EXPORT_SYMBOL_GPL(v4l2_device_disconnect); + void v4l2_device_unregister(struct v4l2_device *v4l2_dev) { struct v4l2_subdev *sd, *next; if (v4l2_dev == NULL) return; - if (v4l2_dev->dev) - dev_set_drvdata(v4l2_dev->dev, NULL); + v4l2_device_disconnect(v4l2_dev); + /* Unregister subdevs */ list_for_each_entry_safe(sd, next, &v4l2_dev->subdevs, list) v4l2_device_unregister_subdev(sd); - - v4l2_dev->dev = NULL; } EXPORT_SYMBOL_GPL(v4l2_device_unregister); |