__unregister_chrdev — unregister and destroy a cdev
void __unregister_chrdev ( | unsigned int major, |
| unsigned int baseminor, | |
| unsigned int count, | |
const char * name); |
majormajor device number
baseminorfirst of the range of minor numbers
countthe number of minor numbers this cdev is occupying
namename of this range of devices
Unregister and destroy the cdev occupying the region described by
major, baseminor and count. This function undoes what
__register_chrdev did.