From 7ed767f73192d6daf673c6d885cd02d5f280ac1f Mon Sep 17 00:00:00 2001 From: Jesse Gross Date: Tue, 16 Dec 2014 18:25:31 -0800 Subject: [PATCH] geneve: Remove socket and offload handlers at destruction. Sockets aren't currently removed from the the global list when they are destroyed. In addition, offload handlers need to be cleaned up as well. Fixes: 0b5e8b8e ("net: Add Geneve tunneling protocol driver") CC: Andy Zhou Signed-off-by: Jesse Gross Acked-by: Thomas Graf Signed-off-by: David S. Miller --- net/ipv4/geneve.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/net/ipv4/geneve.c b/net/ipv4/geneve.c index a457232f013..5a47188b01e 100644 --- a/net/ipv4/geneve.c +++ b/net/ipv4/geneve.c @@ -159,6 +159,15 @@ static void geneve_notify_add_rx_port(struct geneve_sock *gs) } } +static void geneve_notify_del_rx_port(struct geneve_sock *gs) +{ + struct sock *sk = gs->sock->sk; + sa_family_t sa_family = sk->sk_family; + + if (sa_family == AF_INET) + udp_del_offload(&gs->udp_offloads); +} + /* Callback from net/ipv4/udp.c to receive packets */ static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb) { @@ -312,9 +321,17 @@ EXPORT_SYMBOL_GPL(geneve_sock_add); void geneve_sock_release(struct geneve_sock *gs) { + struct net *net = sock_net(gs->sock->sk); + struct geneve_net *gn = net_generic(net, geneve_net_id); + if (!atomic_dec_and_test(&gs->refcnt)) return; + spin_lock(&gn->sock_lock); + hlist_del_rcu(&gs->hlist); + geneve_notify_del_rx_port(gs); + spin_unlock(&gn->sock_lock); + queue_work(geneve_wq, &gs->del_work); } EXPORT_SYMBOL_GPL(geneve_sock_release); -- 2.41.0