diff mbox series

[10/21] xfrm6_tunnel: exit_net cleanup check added

Message ID	e5a1add3-f484-3bd0-1bac-7718c86ddc24@virtuozzo.com
State	Changes Requested, archived
Delegated to:	David Miller
Headers	show Return-Path: <netdev-owner@vger.kernel.org> From: Vasily Averin <vvs@virtuozzo.com> Subject: [PATCH 10/21] xfrm6_tunnel: exit_net cleanup check added To: netdev@vger.kernel.org Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>, Herbert Xu <herbert@gondor.apana.org.au>, Steffen Klassert <steffen.klassert@secunet.com> Message-ID: <e5a1add3-f484-3bd0-1bac-7718c86ddc24@virtuozzo.com> Date: Sun, 5 Nov 2017 13:00:53 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: netdev-owner@vger.kernel.org Precedence: bulk
Series	exit_net checks for objects initialized in net_init hook \| expand [00/21] exit_net checks for objects initialized in net_init hook [01/21] exit_net cleanup: geneve sock_list check [02/21] ppp: exit_net cleanup checks added [03/21] vxlan: exit_net cleanup checks added [04/21] netdev: exit_net cleanup check added [05/21] nfs4blocklayout: exit_net cleanup check added [06/21] nfs client: exit_net cleanup check added [07/21] fib_notifier: exit_net cleanup check added [08/21] fib_rules: exit_net cleanup check added [09/21] clusterip: exit_net cleanup check added [10/21] xfrm6_tunnel: exit_net cleanup check added [11/21] af_key: replace BUG_ON on WARN_ON in net_exit hook [12/21] l2tp: exit_net cleanup check added [13/21] nf_tables: exit_net cleanup check added [14/21] nfnetlink_log: exit_net cleanup check added [15/21] nfnetlink_gueue: exit_net cleanup check added [16/21] x_tables: exit_net cleanup check added [17/21] hashlimit: exit_net cleanup check added [18/21] recent: exit_net cleanup check added [19/21] packet: exit_net cleanup check added [20/21] phonet: exit_net cleanup check added [21/21] sunrpc: exit_net cleanup check added

Commit Message

Vasily Averin Nov. 5, 2017, 10 a.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(+)

diff mbox series

Patch

diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 4e438bc..3825e03 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]),
+			 "net %p exit: xfrm6 spi_byaddr is not empty\n", net))
+			break;
+
+	for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++)
+		if (WARN(!hlist_empty(&xfrm6_tn->spi_byspi[i]),
+			 "net %p exit: xfrm6 spi_byspi is not empty\n", net))
+			break;
 }
 
 static struct pernet_operations xfrm6_tunnel_net_ops = {