garp: use kfree_rcu()
Use kfree_rcu() instead of call_rcu(), remove garp_cleanup_module() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -544,11 +544,6 @@ static int garp_init_port(struct net_device *dev)
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return 0;
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}
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static void garp_kfree_rcu(struct rcu_head *head)
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{
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kfree(container_of(head, struct garp_port, rcu));
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}
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static void garp_release_port(struct net_device *dev)
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{
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struct garp_port *port = rtnl_dereference(dev->garp_port);
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@ -559,7 +554,7 @@ static void garp_release_port(struct net_device *dev)
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return;
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}
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rcu_assign_pointer(dev->garp_port, NULL);
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call_rcu(&port->rcu, garp_kfree_rcu);
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kfree_rcu(port, rcu);
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}
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int garp_init_applicant(struct net_device *dev, struct garp_application *appl)
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@ -603,11 +598,6 @@ err1:
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}
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EXPORT_SYMBOL_GPL(garp_init_applicant);
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static void garp_app_kfree_rcu(struct rcu_head *head)
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{
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kfree(container_of(head, struct garp_applicant, rcu));
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}
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void garp_uninit_applicant(struct net_device *dev, struct garp_application *appl)
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{
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struct garp_port *port = rtnl_dereference(dev->garp_port);
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@ -625,7 +615,7 @@ void garp_uninit_applicant(struct net_device *dev, struct garp_application *appl
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garp_queue_xmit(app);
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dev_mc_del(dev, appl->proto.group_address);
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call_rcu(&app->rcu, garp_app_kfree_rcu);
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kfree_rcu(app, rcu);
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garp_release_port(dev);
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}
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EXPORT_SYMBOL_GPL(garp_uninit_applicant);
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@ -643,9 +633,3 @@ void garp_unregister_application(struct garp_application *appl)
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stp_proto_unregister(&appl->proto);
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}
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EXPORT_SYMBOL_GPL(garp_unregister_application);
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static void __exit garp_cleanup_module(void)
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{
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rcu_barrier(); /* Wait for completion of call_rcu()'s */
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}
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module_exit(garp_cleanup_module);
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