1 files changed, 24 insertions, 20 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 53739de829db..1fd784f3e2ec 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -51,9 +51,9 @@
 #include <linux/seq_file.h>
 #include "udp_impl.h"
 
-static inline int udp_v6_get_port(struct sock *sk, unsigned short snum)
+int udp_v6_get_port(struct sock *sk, unsigned short snum)
 {
-        return udp_get_port(sk, snum, ipv6_rcv_saddr_equal);
+        return udp_lib_get_port(sk, snum, ipv6_rcv_saddr_equal);
 }
 
 static struct sock *__udp6_lib_lookup(struct net *net,
@@ -70,7 +70,7 @@ static struct sock *__udp6_lib_lookup(struct net *net,
         sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
                 struct inet_sock *inet = inet_sk(sk);
 
-                if (sk->sk_net == net && sk->sk_hash == hnum &&
+                if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
                                 sk->sk_family == PF_INET6) {
                         struct ipv6_pinfo *np = inet6_sk(sk);
                         int score = 0;
@@ -235,7 +235,7 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
         struct sock *sk;
         int err;
 
-        sk = __udp6_lib_lookup(skb->dev->nd_net, daddr, uh->dest,
+        sk = __udp6_lib_lookup(dev_net(skb->dev), daddr, uh->dest,
                                saddr, uh->source, inet6_iif(skb), udptable);
         if (sk == NULL)
                 return;
@@ -323,6 +323,9 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
         sk_for_each_from(s, node) {
                 struct inet_sock *inet = inet_sk(s);
 
+                if (sock_net(s) != sock_net(sk))
+                        continue;
+
                 if (s->sk_hash == num && s->sk_family == PF_INET6) {
                         struct ipv6_pinfo *np = inet6_sk(s);
                         if (inet->dport) {
@@ -480,7 +483,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
          * check socket cache ... must talk to Alan about his plans
          * for sock caches... i'll skip this for now.
          */
-        sk = __udp6_lib_lookup(skb->dev->nd_net, saddr, uh->source,
+        sk = __udp6_lib_lookup(dev_net(skb->dev), saddr, uh->source,
                                daddr, uh->dest, inet6_iif(skb), udptable);
 
         if (sk == NULL) {
@@ -749,7 +752,10 @@ do_udp_sendmsg:
         opt = ipv6_fixup_options(&opt_space, opt);
 
         fl.proto = sk->sk_protocol;
-        ipv6_addr_copy(&fl.fl6_dst, daddr);
+        if (!ipv6_addr_any(daddr))
+                ipv6_addr_copy(&fl.fl6_dst, daddr);
+        else
+                fl.fl6_dst.s6_addr[15] = 0x1; /* :: means loopback (BSD'ism) */
         if (ipv6_addr_any(&fl.fl6_src) && !ipv6_addr_any(&np->saddr))
                 ipv6_addr_copy(&fl.fl6_src, &np->saddr);
         fl.fl_ip_sport = inet->sport;
@@ -789,9 +795,7 @@ do_udp_sendmsg:
                 else
                         hlimit = np->hop_limit;
                 if (hlimit < 0)
-                        hlimit = dst_metric(dst, RTAX_HOPLIMIT);
-                if (hlimit < 0)
-                        hlimit = ipv6_get_hoplimit(dst->dev);
+                        hlimit = ip6_dst_hoplimit(dst);
         }
 
         if (tclass < 0) {
@@ -976,30 +980,30 @@ int udp6_seq_show(struct seq_file *seq, void *v)
         return 0;
 }
 
-static struct file_operations udp6_seq_fops;
 static struct udp_seq_afinfo udp6_seq_afinfo = {
-        .owner          = THIS_MODULE,
         .name           = "udp6",
         .family         = AF_INET6,
         .hashtable      = udp_hash,
-        .seq_show       = udp6_seq_show,
-        .seq_fops       = &udp6_seq_fops,
+        .seq_fops       = {
+                .owner  =       THIS_MODULE,
+        },
+        .seq_ops        = {
+                .show           = udp6_seq_show,
+        },
 };
 
-int __init udp6_proc_init(void)
+int udp6_proc_init(struct net *net)
 {
-        return udp_proc_register(&udp6_seq_afinfo);
+        return udp_proc_register(net, &udp6_seq_afinfo);
 }
 
-void udp6_proc_exit(void) {
-        udp_proc_unregister(&udp6_seq_afinfo);
+void udp6_proc_exit(struct net *net) {
+        udp_proc_unregister(net, &udp6_seq_afinfo);
 }
 #endif /* CONFIG_PROC_FS */
 
 /* ------------------------------------------------------------------------ */
 
-DEFINE_PROTO_INUSE(udpv6)
-
 struct proto udpv6_prot = {
         .name              = "UDPv6",
         .owner             = THIS_MODULE,
@@ -1021,11 +1025,11 @@ struct proto udpv6_prot = {
         .sysctl_wmem       = &sysctl_udp_wmem_min,
         .sysctl_rmem       = &sysctl_udp_rmem_min,
         .obj_size          = sizeof(struct udp6_sock),
+        .h.udp_hash        = udp_hash,
 #ifdef CONFIG_COMPAT
         .compat_setsockopt = compat_udpv6_setsockopt,
         .compat_getsockopt = compat_udpv6_getsockopt,
 #endif
-        REF_PROTO_INUSE(udpv6)
 };
 
 static struct inet_protosw udpv6_protosw = {