diff options
| -rw-r--r-- | net/ipv6/xfrm6_tunnel.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index bc65db782bfb..12cb3aa990af 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -402,6 +402,10 @@ static void __exit xfrm6_tunnel_fini(void) xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6); xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); unregister_pernet_subsys(&xfrm6_tunnel_net_ops); + /* Someone maybe has gotten the xfrm6_tunnel_spi. + * So need to wait it. + */ + rcu_barrier(); kmem_cache_destroy(xfrm6_tunnel_spi_kmem); } |