Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...

[linux-2.6] / net / ipv6 / mcast.c

diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index c2dc2e2b6c0704f5eec0a22d736d46c235c0198c..fd632dd7f98d834049a7f75532ea42db5ee092d7 100644 (file)
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1404,13 +1404,14 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
        struct sk_buff *skb;
        struct mld2_report *pmr;
        struct in6_addr addr_buf;
+       const struct in6_addr *saddr;
        int err;
        u8 ra[8] = { IPPROTO_ICMPV6, 0,
                     IPV6_TLV_ROUTERALERT, 2, 0, 0,
                     IPV6_TLV_PADN, 0 };
 
        /* we assume size > sizeof(ra) here */
-       skb = sock_alloc_send_skb(sk, size + LL_RESERVED_SPACE(dev), 1, &err);
+       skb = sock_alloc_send_skb(sk, size + LL_ALLOCATED_SPACE(dev), 1, &err);
 
        if (!skb)
                return NULL;
@@ -1422,10 +1423,11 @@ static struct sk_buff *mld_newpack(struct net_device *dev, int size)
                 * use unspecified address as the source address
                 * when a valid link-local address is not available.
                 */
-               memset(&addr_buf, 0, sizeof(addr_buf));
-       }
+               saddr = &in6addr_any;
+       } else
+               saddr = &addr_buf;
 
-       ip6_nd_hdr(sk, skb, dev, &addr_buf, &mld2_all_mcr, NEXTHDR_HOP, 0);
+       ip6_nd_hdr(sk, skb, dev, saddr, &mld2_all_mcr, NEXTHDR_HOP, 0);
 
        memcpy(skb_put(skb, sizeof(ra)), ra, sizeof(ra));
 
@@ -1766,7 +1768,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
        struct inet6_dev *idev;
        struct sk_buff *skb;
        struct icmp6hdr *hdr;
-       const struct in6_addr *snd_addr;
+       const struct in6_addr *snd_addr, *saddr;
        struct in6_addr *addrp;
        struct in6_addr addr_buf;
        int err, len, payload_len, full_len;
@@ -1788,7 +1790,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
        payload_len = len + sizeof(ra);
        full_len = sizeof(struct ipv6hdr) + payload_len;
 
-       skb = sock_alloc_send_skb(sk, LL_RESERVED_SPACE(dev) + full_len, 1, &err);
+       skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + full_len, 1, &err);
 
        if (skb == NULL) {
                rcu_read_lock();
@@ -1805,10 +1807,11 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
                 * use unspecified address as the source address
                 * when a valid link-local address is not available.
                 */
-               memset(&addr_buf, 0, sizeof(addr_buf));
-       }
+               saddr = &in6addr_any;
+       } else
+               saddr = &addr_buf;
 
-       ip6_nd_hdr(sk, skb, dev, &addr_buf, snd_addr, NEXTHDR_HOP, payload_len);
+       ip6_nd_hdr(sk, skb, dev, saddr, snd_addr, NEXTHDR_HOP, payload_len);
 
        memcpy(skb_put(skb, sizeof(ra)), ra, sizeof(ra));
 
@@ -1819,7 +1822,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
        addrp = (struct in6_addr *) skb_put(skb, sizeof(struct in6_addr));
        ipv6_addr_copy(addrp, addr);
 
-       hdr->icmp6_cksum = csum_ipv6_magic(&addr_buf, snd_addr, len,
+       hdr->icmp6_cksum = csum_ipv6_magic(saddr, snd_addr, len,
                                           IPPROTO_ICMPV6,
                                           csum_partial((__u8 *) hdr, len, 0));