No need to inc/dec packet_socks_nr if PACKET_REFCNT_DEBUG is not set.
Signed-off-by: Denis V. Lunev <den@xxxxxxxxxx>
--- ./net/packet/af_packet.c.packetrefcnt 2007-11-08 13:48:22.000000000 +0300
+++ ./net/packet/af_packet.c 2007-11-08 13:54:29.000000000 +0300
@@ -135,7 +135,9 @@ dev->hard_header == NULL (ll header is a
packet classifier depends on it.
*/
+#ifdef PACKET_REFCNT_DEBUG
static atomic_t packet_socks_nr;
+#endif
/* Private packet socket structures. */
@@ -232,8 +234,8 @@ static void packet_sock_destruct(struct
return;
}
- atomic_dec(&packet_socks_nr);
#ifdef PACKET_REFCNT_DEBUG
+ atomic_dec(&packet_socks_nr);
printk(KERN_DEBUG "PACKET socket %p is free, %d are alive\n", sk, atomic_read(&packet_socks_nr));
#endif
}
@@ -1005,7 +1007,9 @@ static int packet_create(struct net *net
po->num = proto;
sk->sk_destruct = packet_sock_destruct;
+#ifdef PACKET_REFCNT_DEBUG
atomic_inc(&packet_socks_nr);
+#endif
/*
* Attach a protocol block
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