raw_notifier_chain_unregister — Remove notifier from a raw notifier chain
int raw_notifier_chain_unregister
(struct raw_notifier_head * nh, struct notifier_block * n);
Pointer to head of the raw notifier chain
Entry to remove from notifier chain
Removes a notifier from a raw notifier chain. All locking must be provided by the caller.
Returns zero on success or -ENOENT on failure.