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RedHat 9 (Linux i386) - man page for delete_module (redhat section 2)

DELETE_MODULE(2)					       Linux Module Support						  DELETE_MODULE(2)

NAME
delete_module - delete a loadable module entry
SYNOPSIS
#include <linux/module.h> int delete_module(const char *name);
DESCRIPTION
delete_module attempts to remove an unused loadable module entry. If name is NULL, all unused modules marked auto-clean will be removed. This system call is only open to the superuser.
RETURN VALUE
On success, zero is returned. On error, -1 is returned and errno is set appropriately.
ERRORS
EPERM The user is not the superuser. ENOENT No module by that name exists. EINVAL name was the empty string. EBUSY The module is in use. EFAULT name is outside the program's accessible address space.
SEE ALSO
create_module(2), init_module(2), query_module(2). Linux 26 Dec 1996 DELETE_MODULE(2)