IDR_FIND(9) Basic Kernel Library Functions IDR_FIND(9)NAMEidr_find - return pointer for given id
SYNOPSIS
void * idr_find(struct idr * idp, int id);
ARGUMENTS
idp
idr handle
id
lookup key
DESCRIPTION
Return the pointer given the id it has been registered with. A NULL
return indicates that id is not valid or you passed NULL in
idr_get_new.
This function can be called under rcu_read_lock, given that the leaf
pointers lifetimes are correctly managed.
COPYRIGHTKernel Hackers Manual 3.8. June 2014 IDR_FIND(9)