diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/bridge/br_if.c | 21 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 1 | ||||
| -rw-r--r-- | net/dccp/ipv4.c | 3 | ||||
| -rw-r--r-- | net/dccp/ipv6.c | 1 | ||||
| -rw-r--r-- | net/ipv4/tcp_ipv4.c | 3 | ||||
| -rw-r--r-- | net/ipv6/tcp_ipv6.c | 1 |
6 files changed, 21 insertions, 9 deletions
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index ba442883e877..da687c8dc6ff 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -104,6 +104,7 @@ static void destroy_nbp(struct net_bridge_port *p) { struct net_device *dev = p->dev; + dev->br_port = NULL; p->br = NULL; p->dev = NULL; dev_put(dev); @@ -118,13 +119,24 @@ static void destroy_nbp_rcu(struct rcu_head *head) destroy_nbp(p); } -/* called with RTNL */ +/* Delete port(interface) from bridge is done in two steps. + * via RCU. First step, marks device as down. That deletes + * all the timers and stops new packets from flowing through. + * + * Final cleanup doesn't occur until after all CPU's finished + * processing packets. + * + * Protected from multiple admin operations by RTNL mutex + */ static void del_nbp(struct net_bridge_port *p) { struct net_bridge *br = p->br; struct net_device *dev = p->dev; - dev->br_port = NULL; + /* Race between RTNL notify and RCU callback */ + if (p->deleted) + return; + dev_set_promiscuity(dev, -1); cancel_delayed_work(&p->carrier_check); @@ -132,16 +144,13 @@ static void del_nbp(struct net_bridge_port *p) spin_lock_bh(&br->lock); br_stp_disable_port(p); + p->deleted = 1; spin_unlock_bh(&br->lock); br_fdb_delete_by_port(br, p); list_del_rcu(&p->list); - del_timer_sync(&p->message_age_timer); - del_timer_sync(&p->forward_delay_timer); - del_timer_sync(&p->hold_timer); - call_rcu(&p->rcu, destroy_nbp_rcu); } diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index c5bd631ffcd5..e330b17b6d81 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -68,6 +68,7 @@ struct net_bridge_port /* STP */ u8 priority; u8 state; + u8 deleted; u16 port_no; unsigned char topology_change_ack; unsigned char config_pending; diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 00f983226672..dc0487b5bace 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -119,7 +119,8 @@ int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) if (err != 0) goto failure; - err = ip_route_newports(&rt, inet->sport, inet->dport, sk); + err = ip_route_newports(&rt, IPPROTO_DCCP, inet->sport, inet->dport, + sk); if (err != 0) goto failure; diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index df074259f9c3..80c4d048869e 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -468,6 +468,7 @@ static int dccp_v6_send_response(struct sock *sk, struct request_sock *req, done: if (opt && opt != np->opt) sock_kfree_s(sk, opt, opt->tot_len); + dst_release(dst); return err; } diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 6ea353907af5..233bdf259965 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -236,7 +236,7 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) if (err) goto failure; - err = ip_route_newports(&rt, inet->sport, inet->dport, sk); + err = ip_route_newports(&rt, IPPROTO_TCP, inet->sport, inet->dport, sk); if (err) goto failure; @@ -1845,7 +1845,6 @@ void __init tcp_v4_init(struct net_proto_family *ops) } EXPORT_SYMBOL(ipv4_specific); -EXPORT_SYMBOL(inet_bind_bucket_create); EXPORT_SYMBOL(tcp_hashinfo); EXPORT_SYMBOL(tcp_prot); EXPORT_SYMBOL(tcp_unhash); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 66d04004afda..ca9cf6853755 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -515,6 +515,7 @@ static int tcp_v6_send_synack(struct sock *sk, struct request_sock *req, done: if (opt && opt != np->opt) sock_kfree_s(sk, opt, opt->tot_len); + dst_release(dst); return err; } |