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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>
This commit is contained in:
Pavel Emelyanov 2007-11-10 21:38:48 -08:00 committed by David S. Miller
parent e9671fcb3b
commit 17ab56a260
1 changed files with 3 additions and 8 deletions
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11
net/packet/af_packet.c
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@ -139,9 +139,6 @@ dev->hard_header == NULL (ll header is added by device, we cannot control it)
static HLIST_HEAD(packet_sklist);
static DEFINE_RWLOCK(packet_sklist_lock);
static atomic_t packet_socks_nr;
/* Private packet socket structures. */
struct packet_mclist
@ -236,10 +233,7 @@ static void packet_sock_destruct(struct sock *sk)
return;
}
atomic_dec(&packet_socks_nr);
#ifdef PACKET_REFCNT_DEBUG
printk(KERN_DEBUG "PACKET socket %p is free, %d are alive\n", sk, atomic_read(&packet_socks_nr));
#endif
sk_refcnt_debug_dec(sk);
}
@ -849,6 +843,7 @@ static int packet_release(struct socket *sock)
/* Purge queues */
skb_queue_purge(&sk->sk_receive_queue);
sk_refcnt_debug_release(sk);
sock_put(sk);
return 0;
@ -1010,7 +1005,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol)
po->num = proto;
sk->sk_destruct = packet_sock_destruct;
atomic_inc(&packet_socks_nr);
sk_refcnt_debug_inc(sk);
/*
* Attach a protocol block