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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/l2tp_ip.c
parente34f4c7050e5471b6d4fb25380713937fc837514 (diff)
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/l2tp_ip.c')
-rw-r--r--net/l2tp/l2tp_ip.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index 7f41b7051269..571db8dd2292 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);
}