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>
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@ -452,6 +452,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol)
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if (err < 0)
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goto out_module;
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sock_prot_inuse_add(net, &netlink_proto, 1);
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nlk = nlk_sk(sock->sk);
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nlk->module = module;
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out:
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@ -511,6 +512,7 @@ static int netlink_release(struct socket *sock)
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kfree(nlk->groups);
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nlk->groups = NULL;
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sock_prot_inuse_add(sock_net(sk), &netlink_proto, -1);
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sock_put(sk);
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return 0;
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}
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