mib: put net statistics on struct net

Similar to ip and tcp ones :)

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/ip.h b/include/net/ip.h
index ff2535a..b5862b9 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -159,12 +159,11 @@
 #define IP_INC_STATS(net, field)	SNMP_INC_STATS((net)->mib.ip_statistics, field)
 #define IP_INC_STATS_BH(net, field)	SNMP_INC_STATS_BH((net)->mib.ip_statistics, field)
 #define IP_ADD_STATS_BH(net, field, val) SNMP_ADD_STATS_BH((net)->mib.ip_statistics, field, val)
-DECLARE_SNMP_STAT(struct linux_mib, net_statistics);
-#define NET_INC_STATS(net, field)	do { (void)net; SNMP_INC_STATS(net_statistics, field); } while (0)
-#define NET_INC_STATS_BH(net, field)	do { (void)net; SNMP_INC_STATS_BH(net_statistics, field); } while (0)
-#define NET_INC_STATS_USER(net, field) 	do { (void)net; SNMP_INC_STATS_USER(net_statistics, field); } while (0)
-#define NET_ADD_STATS_BH(net, field, adnd) do { (void)net; SNMP_ADD_STATS_BH(net_statistics, field, adnd); } while (0)
-#define NET_ADD_STATS_USER(net, field, adnd) do { (void)net; SNMP_ADD_STATS_USER(net_statistics, field, adnd); } while (0)
+#define NET_INC_STATS(net, field)	SNMP_INC_STATS((net)->mib.net_statistics, field)
+#define NET_INC_STATS_BH(net, field)	SNMP_INC_STATS_BH((net)->mib.net_statistics, field)
+#define NET_INC_STATS_USER(net, field) 	SNMP_INC_STATS_USER((net)->mib.net_statistics, field)
+#define NET_ADD_STATS_BH(net, field, adnd) SNMP_ADD_STATS_BH((net)->mib.net_statistics, field, adnd)
+#define NET_ADD_STATS_USER(net, field, adnd) SNMP_ADD_STATS_USER((net)->mib.net_statistics, field, adnd)
 
 extern unsigned long snmp_fold_field(void *mib[], int offt);
 extern int snmp_mib_init(void *ptr[2], size_t mibsize);