net: af_netlink should update its inuse counter
In order to have relevant information for NETLINK protocol, in
/proc/net/protocols, we should use sock_prot_inuse_add() to
update a (percpu and pernamespace) counter of inuse sockets.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 480184a..a2071dc 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -452,6 +452,7 @@
if (err < 0)
goto out_module;
+ sock_prot_inuse_add(net, &netlink_proto, 1);
nlk = nlk_sk(sock->sk);
nlk->module = module;
out:
@@ -511,6 +512,7 @@
kfree(nlk->groups);
nlk->groups = NULL;
+ sock_prot_inuse_add(sock_net(sk), &netlink_proto, -1);
sock_put(sk);
return 0;
}