From baeb0dbbb56598a2ccd98b56e0da3e9d22869112 Mon Sep 17 00:00:00 2001 From: Vasily Averin Date: Sun, 12 Nov 2017 22:34:03 +0300 Subject: [PATCH] xfrm6_tunnel: exit_net cleanup check added Be sure that spi_byaddr and spi_byspi arrays initialized in net_init hook were return to initial state Signed-off-by: Vasily Averin Signed-off-by: David S. Miller --- net/ipv6/xfrm6_tunnel.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index 4e438bc7ee87..f85f0d7480ac 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -338,6 +338,14 @@ static int __net_init xfrm6_tunnel_net_init(struct net *net) static void __net_exit xfrm6_tunnel_net_exit(struct net *net) { + struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net); + unsigned int i; + + for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++) + WARN_ON_ONCE(!hlist_empty(&xfrm6_tn->spi_byaddr[i])); + + for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++) + WARN_ON_ONCE(!hlist_empty(&xfrm6_tn->spi_byspi[i])); } static struct pernet_operations xfrm6_tunnel_net_ops = { -- 2.11.0