diff --git a/include/net/garp.h b/include/net/garp.h index f4c295984c45..8cabbf087169 100644 --- a/include/net/garp.h +++ b/include/net/garp.h @@ -108,6 +108,7 @@ struct garp_applicant { struct garp_port { struct garp_applicant __rcu *applicants[GARP_APPLICATION_MAX + 1]; + struct rcu_head rcu; }; extern int garp_register_application(struct garp_application *app); diff --git a/net/802/garp.c b/net/802/garp.c index c1df2dad8c6b..5dbe8967bbd5 100644 --- a/net/802/garp.c +++ b/net/802/garp.c @@ -544,6 +544,11 @@ 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); @@ -554,8 +559,7 @@ static void garp_release_port(struct net_device *dev) return; } rcu_assign_pointer(dev->garp_port, NULL); - synchronize_rcu(); - kfree(port); + call_rcu(&port->rcu, garp_kfree_rcu); } int garp_init_applicant(struct net_device *dev, struct garp_application *appl)