diff options
| -rw-r--r-- | net/ipv6/xfrm6_tunnel.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index c2b27813860..80193db224d 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -345,24 +345,23 @@ static struct xfrm6_tunnel xfrm46_tunnel_handler = { static int __init xfrm6_tunnel_init(void) { if (xfrm_register_type(&xfrm6_tunnel_type, AF_INET6) < 0) - return -EAGAIN; - - if (xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6)) { - xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); - return -EAGAIN; - } - if (xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET)) { - xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6); - xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); - return -EAGAIN; - } - if (xfrm6_tunnel_spi_init() < 0) { - xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET); - xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6); - xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); - return -EAGAIN; - } + goto err; + if (xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6)) + goto unreg; + if (xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET)) + goto dereg6; + if (xfrm6_tunnel_spi_init() < 0) + goto dereg46; return 0; + +dereg46: + xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET); +dereg6: + xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6); +unreg: + xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6); +err: + return -EAGAIN; } static void __exit xfrm6_tunnel_fini(void) |