xfrm: remove empty xfrmi_init_net

Pointer members of an object with static storage duration, if not
explicitly initialized, will be initialized to a NULL pointer. The
net namespace API checks if this pointer is not NULL before using it,
it are safe to remove the function.

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>

diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index ad3a2555c517f961c26712c4fcab60728bcf5798..f8eb9e342173773dbb963325f5692565048ad0ad 100644 (file)
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -793,11 +793,6 @@ static void __net_exit xfrmi_destroy_interfaces(struct xfrmi_net *xfrmn)
        unregister_netdevice_many(&list);
 }
 
-static int __net_init xfrmi_init_net(struct net *net)
-{
-       return 0;
-}
-
 static void __net_exit xfrmi_exit_net(struct net *net)
 {
        struct xfrmi_net *xfrmn = net_generic(net, xfrmi_net_id);
@@ -808,7 +803,6 @@ static void __net_exit xfrmi_exit_net(struct net *net)
 }
 
 static struct pernet_operations xfrmi_net_ops = {
-       .init = xfrmi_init_net,
        .exit = xfrmi_exit_net,
        .id   = &xfrmi_net_id,
        .size = sizeof(struct xfrmi_net),