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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>
This commit is contained in:
Eric Dumazet 2011-05-20 18:31:30 +00:00 committed by David S. Miller
parent 0f6c6392dc
commit 0a384b226f
1 changed files with 2 additions and 18 deletions
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20
net/802/garp.c
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@ -544,11 +544,6 @@ static int garp_init_port(struct net_device *dev)
return 0;
}
static void garp_kfree_rcu(struct rcu_head *head)
{
kfree(container_of(head, struct garp_port, rcu));
}
static void garp_release_port(struct net_device *dev)
{
struct garp_port *port = rtnl_dereference(dev->garp_port);
@ -559,7 +554,7 @@ static void garp_release_port(struct net_device *dev)
return;
}
rcu_assign_pointer(dev->garp_port, NULL);
call_rcu(&port->rcu, garp_kfree_rcu);
kfree_rcu(port, rcu);
}
int garp_init_applicant(struct net_device *dev, struct garp_application *appl)
@ -603,11 +598,6 @@ err1:
}
EXPORT_SYMBOL_GPL(garp_init_applicant);
static void garp_app_kfree_rcu(struct rcu_head *head)
{
kfree(container_of(head, struct garp_applicant, rcu));
}
void garp_uninit_applicant(struct net_device *dev, struct garp_application *appl)
{
struct garp_port *port = rtnl_dereference(dev->garp_port);
@ -625,7 +615,7 @@ void garp_uninit_applicant(struct net_device *dev, struct garp_application *appl
garp_queue_xmit(app);
dev_mc_del(dev, appl->proto.group_address);
call_rcu(&app->rcu, garp_app_kfree_rcu);
kfree_rcu(app, rcu);
garp_release_port(dev);
}
EXPORT_SYMBOL_GPL(garp_uninit_applicant);
@ -643,9 +633,3 @@ void garp_unregister_application(struct garp_application *appl)
stp_proto_unregister(&appl->proto);
}
EXPORT_SYMBOL_GPL(garp_unregister_application);
static void __exit garp_cleanup_module(void)
{
rcu_barrier(); /* Wait for completion of call_rcu()'s */
}
module_exit(garp_cleanup_module);