mib: put tcp statistics on struct net
Proc temporary uses stats from init_net.
BTW, TCP_XXX_STATS are beautiful (w/o do { } while (0) facing) again :)
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index b4b77aa..c1a3e98 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1342,11 +1342,20 @@
static __net_init int ipv4_mib_init_net(struct net *net)
{
+ if (snmp_mib_init((void **)net->mib.tcp_statistics,
+ sizeof(struct tcp_mib)) < 0)
+ goto err_tcp_mib;
+
+ tcp_mib_init(net);
return 0;
+
+err_tcp_mib:
+ return -ENOMEM;
}
static __net_exit void ipv4_mib_exit_net(struct net *net)
{
+ snmp_mib_free((void **)net->mib.tcp_statistics);
}
static __net_initdata struct pernet_operations ipv4_mib_ops = {
@@ -1368,9 +1377,6 @@
if (snmp_mib_init((void **)icmpmsg_statistics,
sizeof(struct icmpmsg_mib)) < 0)
goto err_icmpmsg_mib;
- if (snmp_mib_init((void **)tcp_statistics,
- sizeof(struct tcp_mib)) < 0)
- goto err_tcp_mib;
if (snmp_mib_init((void **)udp_statistics,
sizeof(struct udp_mib)) < 0)
goto err_udp_mib;
@@ -1378,8 +1384,6 @@
sizeof(struct udp_mib)) < 0)
goto err_udplite_mib;
- tcp_mib_init(&init_net);
-
if (register_pernet_subsys(&ipv4_mib_ops))
goto err_net;
@@ -1390,8 +1394,6 @@
err_udplite_mib:
snmp_mib_free((void **)udp_statistics);
err_udp_mib:
- snmp_mib_free((void **)tcp_statistics);
-err_tcp_mib:
snmp_mib_free((void **)icmpmsg_statistics);
err_icmpmsg_mib:
snmp_mib_free((void **)icmp_statistics);