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[NET]: Cleanup INET_REFCNT_DEBUG code

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Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnaldo Carvalho de Melo
2005-08-09 19:45:38 -07:00
committed by David S. Miller
parent d13964f449
commit e6848976b7
13 changed files with 86 additions and 74 deletions
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18
net/ipv4/af_inet.c
View File

@@ -114,10 +114,6 @@
DEFINE_SNMP_STAT(struct linux_mib, net_statistics);
#ifdef INET_REFCNT_DEBUG
atomic_t inet_sock_nr;
#endif
extern void ip_mc_drop_socket(struct sock *sk);
/* The inetsw table contains everything that inet_create needs to
@@ -153,11 +149,7 @@ void inet_sock_destruct(struct sock *sk)
if (inet->opt)
kfree(inet->opt);
dst_release(sk->sk_dst_cache);
#ifdef INET_REFCNT_DEBUG
atomic_dec(&inet_sock_nr);
printk(KERN_DEBUG "INET socket %p released, %d are still alive\n",
sk, atomic_read(&inet_sock_nr));
#endif
sk_refcnt_debug_dec(sk);
}
/*
@@ -317,9 +309,7 @@ static int inet_create(struct socket *sock, int protocol)
inet->mc_index = 0;
inet->mc_list = NULL;
#ifdef INET_REFCNT_DEBUG
atomic_inc(&inet_sock_nr);
#endif
sk_refcnt_debug_inc(sk);
if (inet->num) {
/* It assumes that any protocol which allows
@@ -1205,7 +1195,3 @@ EXPORT_SYMBOL(inet_stream_ops);
EXPORT_SYMBOL(inet_unregister_protosw);
EXPORT_SYMBOL(net_statistics);
EXPORT_SYMBOL(sysctl_ip_nonlocal_bind);
#ifdef INET_REFCNT_DEBUG
EXPORT_SYMBOL(inet_sock_nr);
#endif

7
net/ipv4/tcp.c
View File

@@ -1580,12 +1580,7 @@ void tcp_destroy_sock(struct sock *sk)
xfrm_sk_free_policy(sk);
#ifdef INET_REFCNT_DEBUG
if (atomic_read(&sk->sk_refcnt) != 1) {
printk(KERN_DEBUG "Destruction TCP %p delayed, c=%d\n",
sk, atomic_read(&sk->sk_refcnt));
}
#endif
sk_refcnt_debug_release(sk);
atomic_dec(&tcp_orphan_count);
sock_put(sk);

20
net/ipv4/tcp_minisocks.c
View File

@@ -84,7 +84,7 @@ static void tcp_timewait_kill(struct tcp_tw_bucket *tw)
tcp_bucket_destroy(tb);
spin_unlock(&bhead->lock);
#ifdef INET_REFCNT_DEBUG
#ifdef SOCK_REFCNT_DEBUG
if (atomic_read(&tw->tw_refcnt) != 1) {
printk(KERN_DEBUG "tw_bucket %p refcnt=%d\n", tw,
atomic_read(&tw->tw_refcnt));
@@ -799,9 +799,21 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
newsk->sk_err = 0;
newsk->sk_priority = 0;
atomic_set(&newsk->sk_refcnt, 2);
#ifdef INET_REFCNT_DEBUG
atomic_inc(&inet_sock_nr);
#endif
/*
* Increment the counter in the same struct proto as the master
* sock (sk_refcnt_debug_inc uses newsk->sk_prot->socks, that
* is the same as sk->sk_prot->socks, as this field was copied
* with memcpy), same rationale as the first comment in this
* function.
*
* This _changes_ the previous behaviour, where
* tcp_create_openreq_child always was incrementing the
* equivalent to tcp_prot->socks (inet_sock_nr), so this have
* to be taken into account in all callers. -acme
*/
sk_refcnt_debug_inc(newsk);
atomic_inc(&tcp_sockets_allocated);
if (sock_flag(newsk, SOCK_KEEPOPEN))