/* * Network event notifiers * * Authors: * Tom Tucker * Steve Wise * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. * * Fixes: */ #include #include #include #include static ATOMIC_NOTIFIER_HEAD(netevent_notif_chain); /** * register_netevent_notifier - register a netevent notifier block * @nb: notifier * * Register a notifier to be called when a netevent occurs. * The notifier passed is linked into the kernel structures and must * not be reused until it has been unregistered. A negative errno code * is returned on a failure. */ int register_netevent_notifier(struct notifier_block *nb) { return atomic_notifier_chain_register(&netevent_notif_chain, nb); } EXPORT_SYMBOL_GPL(register_netevent_notifier); /** * netevent_unregister_notifier - unregister a netevent notifier block * @nb: notifier * * Unregister a notifier previously registered by * register_neigh_notifier(). The notifier is unlinked into the * kernel structures and may then be reused. A negative errno code * is returned on a failure. */ int unregister_netevent_notifier(struct notifier_block *nb) { return atomic_notifier_chain_unregister(&netevent_notif_chain, nb); } EXPORT_SYMBOL_GPL(unregister_netevent_notifier); /** * call_netevent_notifiers - call all netevent notifier blocks * @val: value passed unmodified to notifier function * @v: pointer passed unmodified to notifier function * * Call all neighbour notifier blocks. Parameters and return value * are as for notifier_call_chain(). */ int call_netevent_notifiers(unsigned long val, void *v) { return atomic_notifier_call_chain(&netevent_notif_chain, val, v); } EXPORT_SYMBOL_GPL(call_netevent_notifiers); 23e38ba3aed'>diff

path: root/net/bridge/br_sysfs_if.c

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