diff mbox series

[v2,10/21] xfrm6_tunnel: exit_net cleanup check added

Message ID 3fc20578-2a20-9f2a-e31e-71d30d1a2610@virtuozzo.com
State Superseded, archived
Delegated to: David Miller
Headers show
Series None | expand

Commit Message

Vasily Averin Nov. 5, 2017, 4:50 p.m. UTC 
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>
---
 net/ipv6/xfrm6_tunnel.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
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Patch

diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 4e438bc..8280152 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -338,6 +338,18 @@  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++)
+		if (WARN(!hlist_empty(&xfrm6_tn->spi_byaddr[i]),
+			 "%s: spi_byaddr is not empty\n", __func__))
+			break;
+
+	for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++)
+		if (WARN(!hlist_empty(&xfrm6_tn->spi_byspi[i]),
+			 "%s: spi_byspi is not empty\n", __func__))
+			break;
 }
 
 static struct pernet_operations xfrm6_tunnel_net_ops = {