inetpeer: add parameter net for inet_getpeer_v4,v6

add struct net as a parameter of inet_getpeer_v[4,6],
use net to replace &init_net.

and modify some places to provide net for inet_getpeer_v[4,6]

Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 8075825..1a9cdd0 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1736,11 +1736,12 @@
 {
 	struct rt6_info *rt = (struct rt6_info *) __sk_dst_get(sk);
 	struct ipv6_pinfo *np = inet6_sk(sk);
+	struct net *net = sock_net(sk);
 	struct inet_peer *peer;
 
 	if (!rt ||
 	    !ipv6_addr_equal(&np->daddr, &rt->rt6i_dst.addr)) {
-		peer = inet_getpeer_v6(&np->daddr, 1);
+		peer = inet_getpeer_v6(net, &np->daddr, 1);
 		*release_it = true;
 	} else {
 		if (!rt->rt6i_peer)
@@ -1756,11 +1757,12 @@
 {
 	const struct inet6_timewait_sock *tw6 = inet6_twsk(sk);
 	const struct inet_timewait_sock *tw = inet_twsk(sk);
+	struct net *net = sock_net(sk);
 
 	if (tw->tw_family == AF_INET)
 		return tcp_v4_tw_get_peer(sk);
 
-	return inet_getpeer_v6(&tw6->tw_v6_daddr, 1);
+	return inet_getpeer_v6(net, &tw6->tw_v6_daddr, 1);
 }
 
 static struct timewait_sock_ops tcp6_timewait_sock_ops = {