diff options
Diffstat (limited to 'drivers/media/media-devnode.c')
-rw-r--r-- | drivers/media/media-devnode.c | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c index ae46753c90cb..423248f577b6 100644 --- a/drivers/media/media-devnode.c +++ b/drivers/media/media-devnode.c @@ -248,31 +248,22 @@ int __must_check media_devnode_register(struct media_device *mdev, dev_set_name(&devnode->dev, "media%d", devnode->minor); device_initialize(&devnode->dev); - /* Part 2: Initialize and register the character device */ + /* Part 2: Initialize the character device */ cdev_init(&devnode->cdev, &media_devnode_fops); devnode->cdev.owner = owner; - devnode->cdev.kobj.parent = &devnode->dev.kobj; - ret = cdev_add(&devnode->cdev, MKDEV(MAJOR(media_dev_t), devnode->minor), 1); + /* Part 3: Add the media and char device */ + ret = cdev_device_add(&devnode->cdev, &devnode->dev); if (ret < 0) { - pr_err("%s: cdev_add failed\n", __func__); + pr_err("%s: cdev_device_add failed\n", __func__); goto cdev_add_error; } - /* Part 3: Add the media device */ - ret = device_add(&devnode->dev); - if (ret < 0) { - pr_err("%s: device_add failed\n", __func__); - goto device_add_error; - } - /* Part 4: Activate this minor. The char device can now be used. */ set_bit(MEDIA_FLAG_REGISTERED, &devnode->flags); return 0; -device_add_error: - cdev_del(&devnode->cdev); cdev_add_error: mutex_lock(&media_devnode_lock); clear_bit(devnode->minor, media_devnode_nums); @@ -298,9 +289,8 @@ void media_devnode_unregister(struct media_devnode *devnode) { mutex_lock(&media_devnode_lock); /* Delete the cdev on this minor as well */ - cdev_del(&devnode->cdev); + cdev_device_del(&devnode->cdev, &devnode->dev); mutex_unlock(&media_devnode_lock); - device_del(&devnode->dev); devnode->media_dev = NULL; put_device(&devnode->dev); } |