X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Ftcp_ipv4.c;h=e566f3c676772d6a7141bb50213d7eb0430135d3;hb=92e21e79a85924ddda00f4678d60bbd8f891a553;hp=d438dfb0c8f38a9f53833a6283eb30a40741ff78;hpb=160acc2e899f26356bde92bc257253b7ca78f0c3;p=linux-2.6

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index d438dfb0c8..e566f3c676 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2049,8 +2049,9 @@ static void *established_get_first(struct seq_file *seq)
 		struct sock *sk;
 		struct hlist_node *node;
 		struct inet_timewait_sock *tw;
+		rwlock_t *lock = inet_ehash_lockp(&tcp_hashinfo, st->bucket);
 
-		read_lock_bh(&tcp_hashinfo.ehash[st->bucket].lock);
+		read_lock_bh(lock);
 		sk_for_each(sk, node, &tcp_hashinfo.ehash[st->bucket].chain) {
 			if (sk->sk_family != st->family) {
 				continue;
@@ -2067,7 +2068,7 @@ static void *established_get_first(struct seq_file *seq)
 			rc = tw;
 			goto out;
 		}
-		read_unlock_bh(&tcp_hashinfo.ehash[st->bucket].lock);
+		read_unlock_bh(lock);
 		st->state = TCP_SEQ_STATE_ESTABLISHED;
 	}
 out:
@@ -2094,11 +2095,11 @@ get_tw:
 			cur = tw;
 			goto out;
 		}
-		read_unlock_bh(&tcp_hashinfo.ehash[st->bucket].lock);
+		read_unlock_bh(inet_ehash_lockp(&tcp_hashinfo, st->bucket));
 		st->state = TCP_SEQ_STATE_ESTABLISHED;
 
 		if (++st->bucket < tcp_hashinfo.ehash_size) {
-			read_lock_bh(&tcp_hashinfo.ehash[st->bucket].lock);
+			read_lock_bh(inet_ehash_lockp(&tcp_hashinfo, st->bucket));
 			sk = sk_head(&tcp_hashinfo.ehash[st->bucket].chain);
 		} else {
 			cur = NULL;
@@ -2206,7 +2207,7 @@ static void tcp_seq_stop(struct seq_file *seq, void *v)
 	case TCP_SEQ_STATE_TIME_WAIT:
 	case TCP_SEQ_STATE_ESTABLISHED:
 		if (v)
-			read_unlock_bh(&tcp_hashinfo.ehash[st->bucket].lock);
+			read_unlock_bh(inet_ehash_lockp(&tcp_hashinfo, st->bucket));
 		break;
 	}
 }
@@ -2417,6 +2418,8 @@ void tcp4_proc_exit(void)
 }
 #endif /* CONFIG_PROC_FS */
 
+DEFINE_PROTO_INUSE(tcp)
+
 struct proto tcp_prot = {
 	.name			= "TCP",
 	.owner			= THIS_MODULE,
@@ -2451,6 +2454,7 @@ struct proto tcp_prot = {
 	.compat_setsockopt	= compat_tcp_setsockopt,
 	.compat_getsockopt	= compat_tcp_getsockopt,
 #endif
+	REF_PROTO_INUSE(tcp)
 };
 
 void __init tcp_v4_init(struct net_proto_family *ops)