udp: provide a struct net pointer for __udp[46]_lib_mcast_deliver

They both calculate the hash chain, but currently do not have
a struct net pointer, so pass one there via additional argument,
all the more so their callers already have such.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 8 insertions, 4 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 6e4a822ba651..80fb72c48976 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -353,8 +353,9 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
  * Note: called only from the BH handler context,
  * so we don't need to lock the hashes.
  */
-static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr,
-                           struct in6_addr *daddr, struct hlist_head udptable[])
+static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
+                struct in6_addr *saddr, struct in6_addr *daddr,
+                struct hlist_head udptable[])
 {
         struct sock *sk, *sk2;
         const struct udphdr *uh = udp_hdr(skb);
@@ -435,6 +436,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
         struct net_device *dev = skb->dev;
         struct in6_addr *saddr, *daddr;
         u32 ulen = 0;
+        struct net *net;
 
         if (!pskb_may_pull(skb, sizeof(struct udphdr)))
                 goto short_packet;
@@ -469,11 +471,13 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
         if (udp6_csum_init(skb, uh, proto))
                 goto discard;
 
+        net = dev_net(skb->dev);
         /*
          *      Multicast receive code
          */
         if (ipv6_addr_is_multicast(daddr))
-                return __udp6_lib_mcast_deliver(skb, saddr, daddr, udptable);
+                return __udp6_lib_mcast_deliver(net, skb,
+                                saddr, daddr, udptable);
 
         /* Unicast */
 
@@ -481,7 +485,7 @@ 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(dev_net(skb->dev), saddr, uh->source,
+        sk = __udp6_lib_lookup(net, saddr, uh->source,
                                daddr, uh->dest, inet6_iif(skb), udptable);
 
         if (sk == NULL) {