void cdev_init(struct cdev *cdev, const struct file_operations *fops)

fs/char_dev.c

/**

* cdev_init() - initialize a cdev structure

* @cdev: the structure to initialize

* @fops: the file_operations for this device

*

* Initializes @cdev, remembering @fops, making it ready to add to the

* system with cdev_add().

*/

void cdev_init(struct cdev *cdev, const struct file_operations *fops)

{

memset(cdev, 0, sizeof *cdev);

INIT_LIST_HEAD(&cdev->list);

kobject_init(&cdev->kobj, &ktype_cdev_default);

cdev->ops = fops;

}