tcp: add net to tcp_mib_init

This one sets TCP MIBs after zeroing them, and thus requires
the net.

The existing single caller can use init_net (temporarily).
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/tcp.h

@@ -1024,7 +1024,7 @@ static inline int tcp_paws_check(const struct tcp_options_received *rx_opt, int
 
 #define TCP_CHECK_TIMER(sk) do { } while (0)
 
-static inline void tcp_mib_init(void)
+static inline void tcp_mib_init(struct net *net)
 {
 	/* See RFC 2012 */
 	TCP_ADD_STATS_USER(TCP_MIB_RTOALGORITHM, 1);

net/ipv4/af_inet.c

@@ -1363,7 +1363,7 @@ static int __init init_ipv4_mibs(void)
 			  sizeof(struct udp_mib)) < 0)
 		goto err_udplite_mib;
 
-	tcp_mib_init();
+	tcp_mib_init(&init_net);
 
 	return 0;