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 <lirongq...@baidu.com>
---
 net/netlink/af_netlink.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 718a97d5f1fd..9a2cd648d9c6 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -245,13 +245,8 @@ static __net_init int netlink_tap_init_net(struct net *net)
        return 0;
 }
 
-static void __net_exit netlink_tap_exit_net(struct net *net)
-{
-}
-
 static struct pernet_operations netlink_tap_net_ops = {
        .init = netlink_tap_init_net,
-       .exit = netlink_tap_exit_net,
        .id   = &netlink_tap_net_id,
        .size = sizeof(struct netlink_tap_net),
 };
-- 
2.16.2

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