aboutsummaryrefslogtreecommitdiff
path: root/net/l2tp
diff options
context:
space:
mode:
authorTom Parkin <tparkin@katalix.com>2013-03-19 06:11:15 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-20 12:10:38 -0400
commit936063175afd895913a5e9db77e1a0ef43ea44ea (patch)
treef98e60750ccd05beb835cd5cc652432bca22a6ad /net/l2tp
parente34f4c7050e5471b6d4fb25380713937fc837514 (diff)
downloadlinux-936063175afd895913a5e9db77e1a0ef43ea44ea.tar.gz
l2tp: close sessions in ip socket destroy callback
l2tp_core hooks UDP's .destroy handler to gain advance warning of a tunnel socket being closed from userspace. We need to do the same thing for IP-encapsulation sockets. Signed-off-by: Tom Parkin <tparkin@katalix.com> Signed-off-by: James Chapman <jchapman@katalix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_ip.c6
-rw-r--r--net/l2tp/l2tp_ip6.c7
2 files changed, 13 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 7f41b705126..571db8dd229 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -228,10 +228,16 @@ static void l2tp_ip_close(struct sock *sk, long timeout)
static void l2tp_ip_destroy_sock(struct sock *sk)
{
struct sk_buff *skb;
+ struct l2tp_tunnel *tunnel = l2tp_sock_to_tunnel(sk);
while ((skb = __skb_dequeue_tail(&sk->sk_write_queue)) != NULL)
kfree_skb(skb);
+ if (tunnel) {
+ l2tp_tunnel_closeall(tunnel);
+ sock_put(sk);
+ }
+
sk_refcnt_debug_dec(sk);
}
diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c
index 41f2f8126eb..c74f5a91ff6 100644
--- a/net/l2tp/l2tp_ip6.c
+++ b/net/l2tp/l2tp_ip6.c
@@ -241,10 +241,17 @@ static void l2tp_ip6_close(struct sock *sk, long timeout)
static void l2tp_ip6_destroy_sock(struct sock *sk)
{
+ struct l2tp_tunnel *tunnel = l2tp_sock_to_tunnel(sk);
+
lock_sock(sk);
ip6_flush_pending_frames(sk);
release_sock(sk);
+ if (tunnel) {
+ l2tp_tunnel_closeall(tunnel);
+ sock_put(sk);
+ }
+
inet6_destroy_sock(sk);
}