MIB: add struct net to UDP_INC_STATS_USER

Nothing special - all the places already have a struct sock
at hands, so use the sock_net() net.
Signed-off-by: NPavel Emelyanov <xemul@openvz.org>
Acked-by: NDenis V. Lunev <den@openvz.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/udp.h

@@ -158,7 +158,7 @@ DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
 /*
  * 	SNMP statistics for UDP and UDP-Lite
  */
-#define UDP_INC_STATS_USER(field, is_udplite)			       do {   \
+#define UDP_INC_STATS_USER(net, field, is_udplite)	      do { (void)net; \
 	if (is_udplite) SNMP_INC_STATS_USER(udplite_statistics, field);       \
 	else		SNMP_INC_STATS_USER(udp_statistics, field);  }  while(0)
 #define UDP_INC_STATS_BH(field, is_udplite) 			       do  {  \

net/ipv4/udp.c

@@ -526,7 +526,8 @@ static int udp_push_pending_frames(struct sock *sk)
 	up->len = 0;
 	up->pending = 0;
 	if (!err)
-		UDP_INC_STATS_USER(UDP_MIB_OUTDATAGRAMS, is_udplite);
+		UDP_INC_STATS_USER(sock_net(sk),
+				UDP_MIB_OUTDATAGRAMS, is_udplite);
 	return err;
 }
 
@@ -725,7 +726,8 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	 * seems like overkill.
 	 */
 	if (err == -ENOBUFS || test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) {
-		UDP_INC_STATS_USER(UDP_MIB_SNDBUFERRORS, is_udplite);
+		UDP_INC_STATS_USER(sock_net(sk),
+				UDP_MIB_SNDBUFERRORS, is_udplite);
 	}
 	return err;
 
@@ -888,7 +890,8 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		goto out_free;
 
 	if (!peeked)
-		UDP_INC_STATS_USER(UDP_MIB_INDATAGRAMS, is_udplite);
+		UDP_INC_STATS_USER(sock_net(sk),
+				UDP_MIB_INDATAGRAMS, is_udplite);
 
 	sock_recv_timestamp(msg, sk, skb);
 
@@ -917,7 +920,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 csum_copy_err:
 	lock_sock(sk);
 	if (!skb_kill_datagram(sk, skb, flags))
-		UDP_INC_STATS_USER(UDP_MIB_INERRORS, is_udplite);
+		UDP_INC_STATS_USER(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
 	release_sock(sk);
 
 	if (noblock)