diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bridge/br_multicast.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 2048ef0f9be..fcba313f189 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1042,21 +1042,21 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br, static void br_multicast_add_router(struct net_bridge *br, struct net_bridge_port *port) { - struct hlist_node *p; - struct hlist_node **h; - - for (h = &br->router_list.first; - (p = *h) && - (unsigned long)container_of(p, struct net_bridge_port, rlist) > - (unsigned long)port; - h = &p->next) - ; - - port->rlist.pprev = h; - port->rlist.next = p; - rcu_assign_pointer(*h, &port->rlist); - if (p) - p->pprev = &port->rlist.next; + struct net_bridge_port *p; + struct hlist_node *n, *last = NULL; + + hlist_for_each_entry(p, n, &br->router_list, rlist) { + if ((unsigned long) port >= (unsigned long) p) { + hlist_add_before_rcu(n, &port->rlist); + return; + } + last = n; + } + + if (last) + hlist_add_after_rcu(last, &port->rlist); + else + hlist_add_head_rcu(&port->rlist, &br->router_list); } static void br_multicast_mark_router(struct net_bridge *br, |