diff options
Diffstat (limited to 'net/ipv6/mcast.c')
-rw-r--r-- | net/ipv6/mcast.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c index ee7839f4d6e3..6cc4d1fb8c13 100644 --- a/net/ipv6/mcast.c +++ b/net/ipv6/mcast.c @@ -155,7 +155,7 @@ 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) { @@ -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>: @@ -1723,6 +1725,8 @@ 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 +1748,7 @@ 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 +1758,7 @@ 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 +1776,7 @@ 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, |