mib: add net to IP_ADD_STATS_BH

Very simple - only ip_evictor (fragments) requires such.
This patch ends up the IP_XXX_STATS patching.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/ip.h

@@ -159,7 +159,7 @@ extern struct ipv4_config ipv4_config;
 DECLARE_SNMP_STAT(struct ipstats_mib, ip_statistics);
 #define IP_INC_STATS(net, field)	do { (void)net; SNMP_INC_STATS(ip_statistics, field); } while (0)
 #define IP_INC_STATS_BH(net, field)	do { (void)net; SNMP_INC_STATS_BH(ip_statistics, field); } while (0)
-#define IP_ADD_STATS_BH(field, val)	SNMP_ADD_STATS_BH(ip_statistics, field, val)
+#define IP_ADD_STATS_BH(net, field, val) SNMP_ADD_STATS_BH(ip_statistics, field, val)
 DECLARE_SNMP_STAT(struct linux_mib, net_statistics);
 #define NET_INC_STATS(field)		SNMP_INC_STATS(net_statistics, field)
 #define NET_INC_STATS_BH(field)		SNMP_INC_STATS_BH(net_statistics, field)

net/ipv4/ip_fragment.c

@@ -178,7 +178,7 @@ static void ip_evictor(struct net *net)
 
 	evicted = inet_frag_evictor(&net->ipv4.frags, &ip4_frags);
 	if (evicted)
-		IP_ADD_STATS_BH(IPSTATS_MIB_REASMFAILS, evicted);
+		IP_ADD_STATS_BH(net, IPSTATS_MIB_REASMFAILS, evicted);
 }
 
 /*