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>

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index d8f527d..6b0acb4 100644 (file)
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1059,7 +1059,7 @@ drop:
  *     Note: called only from the BH handler context,
  *     so we don't need to lock the hashes.
  */
-static int __udp4_lib_mcast_deliver(struct sk_buff *skb,
+static int __udp4_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
                                    struct udphdr  *uh,
                                    __be32 saddr, __be32 daddr,
                                    struct hlist_head udptable[])
@@ -1156,6 +1156,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
        struct rtable *rt = (struct rtable*)skb->dst;
        __be32 saddr = ip_hdr(skb)->saddr;
        __be32 daddr = ip_hdr(skb)->daddr;
+       struct net *net;
 
        /*
         *  Validate the packet.
@@ -1177,10 +1178,12 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
        if (udp4_csum_init(skb, uh, proto))
                goto csum_error;
 
+       net = dev_net(skb->dev);
        if (rt->rt_flags & (RTCF_BROADCAST|RTCF_MULTICAST))
-               return __udp4_lib_mcast_deliver(skb, uh, saddr, daddr, udptable);
+               return __udp4_lib_mcast_deliver(net, skb, uh,
+                               saddr, daddr, udptable);
 
-       sk = __udp4_lib_lookup(dev_net(skb->dev), saddr, uh->source, daddr,
+       sk = __udp4_lib_lookup(net, saddr, uh->source, daddr,
                        uh->dest, inet_iif(skb), udptable);
 
        if (sk != NULL) {

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 6e4a822..80fb72c 100644 (file)
--- 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) {