1 files changed, 17 insertions, 27 deletions

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index ee7839f4d6e3..b853f06cc148 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -155,14 +155,14 @@ int ipv6_sock_mc_join(struct sock *sk, int ifindex, const struct in6_addr *addr)
                 return -ENOMEM;
 
         mc_lst->next = NULL;
-        ipv6_addr_copy(&mc_lst->addr, addr);
+        mc_lst->addr = *addr;
 
         rcu_read_lock();
         if (ifindex == 0) {
                 struct rt6_info *rt;
                 rt = rt6_lookup(net, addr, NULL, 0, 0);
                 if (rt) {
-                        dev = rt->rt6i_dev;
+                        dev = rt->dst.dev;
                         dst_release(&rt->dst);
                 }
         } else
@@ -256,7 +256,7 @@ static struct inet6_dev *ip6_mc_find_dev_rcu(struct net *net,
                 struct rt6_info *rt = rt6_lookup(net, group, NULL, 0, 0);
 
                 if (rt) {
-                        dev = rt->rt6i_dev;
+                        dev = rt->dst.dev;
                         dev_hold(dev);
                         dst_release(&rt->dst);
                 }
@@ -858,7 +858,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr)
 
         setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc);
 
-        ipv6_addr_copy(&mc->mca_addr, addr);
+        mc->mca_addr = *addr;
         mc->idev = idev; /* (reference taken) */
         mc->mca_users = 1;
         /* mca_stamp should be updated upon changes */
@@ -1343,13 +1343,15 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
         struct mld2_report *pmr;
         struct in6_addr addr_buf;
         const struct in6_addr *saddr;
+        int hlen = LL_RESERVED_SPACE(dev);
+        int tlen = dev->needed_tailroom;
         int err;
         u8 ra[8] = { IPPROTO_ICMPV6, 0,
                      IPV6_TLV_ROUTERALERT, 2, 0, 0,
                      IPV6_TLV_PADN, 0 };
 
         /* we assume size > sizeof(ra) here */
-        size += LL_ALLOCATED_SPACE(dev);
+        size += hlen + tlen;
         /* limit our allocations to order-0 page */
         size = min_t(int, size, SKB_MAX_ORDER(0, 0));
         skb = sock_alloc_send_skb(sk, size, 1, &err);
@@ -1357,7 +1359,7 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
         if (!skb)
                 return NULL;
 
-        skb_reserve(skb, LL_RESERVED_SPACE(dev));
+        skb_reserve(skb, hlen);
 
         if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) {
                 /* <draft-ietf-magma-mld-source-05.txt>:
@@ -1408,18 +1410,11 @@ static void mld_sendpack(struct sk_buff *skb)
                                            csum_partial(skb_transport_header(skb),
                                                         mldlen, 0));
 
-        dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
-
-        if (!dst) {
-                err = -ENOMEM;
-                goto err_out;
-        }
-
         icmpv6_flow_init(net->ipv6.igmp_sk, &fl6, ICMPV6_MLD2_REPORT,
                          &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
                          skb->dev->ifindex);
+        dst = icmp6_dst_alloc(skb->dev, NULL, &fl6);
 
-        dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
         err = 0;
         if (IS_ERR(dst)) {
                 err = PTR_ERR(dst);
@@ -1723,6 +1718,8 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
         struct mld_msg *hdr;
         const struct in6_addr *snd_addr, *saddr;
         struct in6_addr addr_buf;
+        int hlen = LL_RESERVED_SPACE(dev);
+        int tlen = dev->needed_tailroom;
         int err, len, payload_len, full_len;
         u8 ra[8] = { IPPROTO_ICMPV6, 0,
                      IPV6_TLV_ROUTERALERT, 2, 0, 0,
@@ -1744,7 +1741,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
                       IPSTATS_MIB_OUT, full_len);
         rcu_read_unlock();
 
-        skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + full_len, 1, &err);
+        skb = sock_alloc_send_skb(sk, hlen + tlen + full_len, 1, &err);
 
         if (skb == NULL) {
                 rcu_read_lock();
@@ -1754,7 +1751,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
                 return;
         }
 
-        skb_reserve(skb, LL_RESERVED_SPACE(dev));
+        skb_reserve(skb, hlen);
 
         if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) {
                 /* <draft-ietf-magma-mld-source-05.txt>:
@@ -1772,7 +1769,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
         hdr = (struct mld_msg *) skb_put(skb, sizeof(struct mld_msg));
         memset(hdr, 0, sizeof(struct mld_msg));
         hdr->mld_type = type;
-        ipv6_addr_copy(&hdr->mld_mca, addr);
+        hdr->mld_mca = *addr;
 
         hdr->mld_cksum = csum_ipv6_magic(saddr, snd_addr, len,
                                          IPPROTO_ICMPV6,
@@ -1781,17 +1778,10 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
         rcu_read_lock();
         idev = __in6_dev_get(skb->dev);
 
-        dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
-        if (!dst) {
-                err = -ENOMEM;
-                goto err_out;
-        }
-
         icmpv6_flow_init(sk, &fl6, type,
                          &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
                          skb->dev->ifindex);
-
-        dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), NULL, 0);
+        dst = icmp6_dst_alloc(skb->dev, NULL, &fl6);
         if (IS_ERR(dst)) {
                 err = PTR_ERR(dst);
                 goto err_out;
@@ -1914,7 +1904,7 @@ static int ip6_mc_del_src(struct inet6_dev *idev, const struct in6_addr *pmca,
  * Add multicast single-source filter to the interface list
  */
 static int ip6_mc_add1_src(struct ifmcaddr6 *pmc, int sfmode,
-        const struct in6_addr *psfsrc, int delta)
+        const struct in6_addr *psfsrc)
 {
         struct ip6_sf_list *psf, *psf_prev;
 
@@ -2045,7 +2035,7 @@ static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
                 pmc->mca_sfcount[sfmode]++;
         err = 0;
         for (i=0; i<sfcount; i++) {
-                err = ip6_mc_add1_src(pmc, sfmode, &psfsrc[i], delta);
+                err = ip6_mc_add1_src(pmc, sfmode, &psfsrc[i]);
                 if (err)
                         break;
         }