Be sure that spi_byaddr and spi_byspi arrays initialized in net_init hook
were return to initial state

Signed-off-by: Vasily Averin <v...@virtuozzo.com>
---
 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 4e438bc..f85f0d7 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 = {
-- 
2.7.4

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