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) | |||
155 | return -ENOMEM; | 155 | return -ENOMEM; |
156 | 156 | ||
157 | mc_lst->next = NULL; | 157 | mc_lst->next = NULL; |
158 | ipv6_addr_copy(&mc_lst->addr, addr); | 158 | mc_lst->addr = *addr; |
159 | 159 | ||
160 | rcu_read_lock(); | 160 | rcu_read_lock(); |
161 | if (ifindex == 0) { | 161 | if (ifindex == 0) { |
@@ -858,7 +858,7 @@ int ipv6_dev_mc_inc(struct net_device *dev, const struct in6_addr *addr) | |||
858 | 858 | ||
859 | setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc); | 859 | setup_timer(&mc->mca_timer, igmp6_timer_handler, (unsigned long)mc); |
860 | 860 | ||
861 | ipv6_addr_copy(&mc->mca_addr, addr); | 861 | mc->mca_addr = *addr; |
862 | mc->idev = idev; /* (reference taken) */ | 862 | mc->idev = idev; /* (reference taken) */ |
863 | mc->mca_users = 1; | 863 | mc->mca_users = 1; |
864 | /* mca_stamp should be updated upon changes */ | 864 | /* mca_stamp should be updated upon changes */ |
@@ -1343,13 +1343,15 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size) | |||
1343 | struct mld2_report *pmr; | 1343 | struct mld2_report *pmr; |
1344 | struct in6_addr addr_buf; | 1344 | struct in6_addr addr_buf; |
1345 | const struct in6_addr *saddr; | 1345 | const struct in6_addr *saddr; |
1346 | int hlen = LL_RESERVED_SPACE(dev); | ||
1347 | int tlen = dev->needed_tailroom; | ||
1346 | int err; | 1348 | int err; |
1347 | u8 ra[8] = { IPPROTO_ICMPV6, 0, | 1349 | u8 ra[8] = { IPPROTO_ICMPV6, 0, |
1348 | IPV6_TLV_ROUTERALERT, 2, 0, 0, | 1350 | IPV6_TLV_ROUTERALERT, 2, 0, 0, |
1349 | IPV6_TLV_PADN, 0 }; | 1351 | IPV6_TLV_PADN, 0 }; |
1350 | 1352 | ||
1351 | /* we assume size > sizeof(ra) here */ | 1353 | /* we assume size > sizeof(ra) here */ |
1352 | size += LL_ALLOCATED_SPACE(dev); | 1354 | size += hlen + tlen; |
1353 | /* limit our allocations to order-0 page */ | 1355 | /* limit our allocations to order-0 page */ |
1354 | size = min_t(int, size, SKB_MAX_ORDER(0, 0)); | 1356 | size = min_t(int, size, SKB_MAX_ORDER(0, 0)); |
1355 | skb = sock_alloc_send_skb(sk, size, 1, &err); | 1357 | 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) | |||
1357 | if (!skb) | 1359 | if (!skb) |
1358 | return NULL; | 1360 | return NULL; |
1359 | 1361 | ||
1360 | skb_reserve(skb, LL_RESERVED_SPACE(dev)); | 1362 | skb_reserve(skb, hlen); |
1361 | 1363 | ||
1362 | if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) { | 1364 | if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) { |
1363 | /* <draft-ietf-magma-mld-source-05.txt>: | 1365 | /* <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) | |||
1723 | struct mld_msg *hdr; | 1725 | struct mld_msg *hdr; |
1724 | const struct in6_addr *snd_addr, *saddr; | 1726 | const struct in6_addr *snd_addr, *saddr; |
1725 | struct in6_addr addr_buf; | 1727 | struct in6_addr addr_buf; |
1728 | int hlen = LL_RESERVED_SPACE(dev); | ||
1729 | int tlen = dev->needed_tailroom; | ||
1726 | int err, len, payload_len, full_len; | 1730 | int err, len, payload_len, full_len; |
1727 | u8 ra[8] = { IPPROTO_ICMPV6, 0, | 1731 | u8 ra[8] = { IPPROTO_ICMPV6, 0, |
1728 | IPV6_TLV_ROUTERALERT, 2, 0, 0, | 1732 | IPV6_TLV_ROUTERALERT, 2, 0, 0, |
@@ -1744,7 +1748,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type) | |||
1744 | IPSTATS_MIB_OUT, full_len); | 1748 | IPSTATS_MIB_OUT, full_len); |
1745 | rcu_read_unlock(); | 1749 | rcu_read_unlock(); |
1746 | 1750 | ||
1747 | skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + full_len, 1, &err); | 1751 | skb = sock_alloc_send_skb(sk, hlen + tlen + full_len, 1, &err); |
1748 | 1752 | ||
1749 | if (skb == NULL) { | 1753 | if (skb == NULL) { |
1750 | rcu_read_lock(); | 1754 | rcu_read_lock(); |
@@ -1754,7 +1758,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type) | |||
1754 | return; | 1758 | return; |
1755 | } | 1759 | } |
1756 | 1760 | ||
1757 | skb_reserve(skb, LL_RESERVED_SPACE(dev)); | 1761 | skb_reserve(skb, hlen); |
1758 | 1762 | ||
1759 | if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) { | 1763 | if (ipv6_get_lladdr(dev, &addr_buf, IFA_F_TENTATIVE)) { |
1760 | /* <draft-ietf-magma-mld-source-05.txt>: | 1764 | /* <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) | |||
1772 | hdr = (struct mld_msg *) skb_put(skb, sizeof(struct mld_msg)); | 1776 | hdr = (struct mld_msg *) skb_put(skb, sizeof(struct mld_msg)); |
1773 | memset(hdr, 0, sizeof(struct mld_msg)); | 1777 | memset(hdr, 0, sizeof(struct mld_msg)); |
1774 | hdr->mld_type = type; | 1778 | hdr->mld_type = type; |
1775 | ipv6_addr_copy(&hdr->mld_mca, addr); | 1779 | hdr->mld_mca = *addr; |
1776 | 1780 | ||
1777 | hdr->mld_cksum = csum_ipv6_magic(saddr, snd_addr, len, | 1781 | hdr->mld_cksum = csum_ipv6_magic(saddr, snd_addr, len, |
1778 | IPPROTO_ICMPV6, | 1782 | IPPROTO_ICMPV6, |