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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 <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vasily Averin 2017-11-12 22:34:03 +03:00 committed by David S. Miller
parent e6675000f9
commit baeb0dbbb5
1 changed files with 8 additions and 0 deletions
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8
net/ipv6/xfrm6_tunnel.c
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@ -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 = {