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[PACKET]: Use existing sock refcnt debugging infrastructure
The packet_socks_nr variable is used purely for debugging the number of sockets. As Arnaldo pointed out, there's already an infrastructure for this purposes, so switch to using it. Signed-off-by: Pavel Emelyanov <xemul@openvz.org> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -139,9 +139,6 @@ dev->hard_header == NULL (ll header is added by device, we cannot control it)
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static HLIST_HEAD(packet_sklist);
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static DEFINE_RWLOCK(packet_sklist_lock);
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static atomic_t packet_socks_nr;
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/* Private packet socket structures. */
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struct packet_mclist
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@ -236,10 +233,7 @@ static void packet_sock_destruct(struct sock *sk)
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return;
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}
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atomic_dec(&packet_socks_nr);
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#ifdef PACKET_REFCNT_DEBUG
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printk(KERN_DEBUG "PACKET socket %p is free, %d are alive\n", sk, atomic_read(&packet_socks_nr));
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#endif
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sk_refcnt_debug_dec(sk);
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}
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@ -849,6 +843,7 @@ static int packet_release(struct socket *sock)
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/* Purge queues */
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skb_queue_purge(&sk->sk_receive_queue);
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sk_refcnt_debug_release(sk);
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sock_put(sk);
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return 0;
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@ -1010,7 +1005,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
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po->num = proto;
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sk->sk_destruct = packet_sock_destruct;
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atomic_inc(&packet_socks_nr);
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sk_refcnt_debug_inc(sk);
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/*
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* Attach a protocol block
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