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Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/xfrm6_tunnel.c33
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)