Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

[linux-2.6] / net / ipv6 / ipv6_sockglue.c

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index d6846393182d4294dc08f30d9fa99921dd881319..1334fc174bcf72de093eaeff65d2ec64a7239229 100644 (file)
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -249,7 +249,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
                        }
 
                        if (ipv6_only_sock(sk) ||
-                           !(ipv6_addr_type(&np->daddr) & IPV6_ADDR_MAPPED)) {
+                           !ipv6_addr_v4mapped(&np->daddr)) {
                                retv = -EADDRNOTAVAIL;
                                break;
                        }
@@ -539,12 +539,15 @@ done:
        case IPV6_MULTICAST_IF:
                if (sk->sk_type == SOCK_STREAM)
                        goto e_inval;
-               if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != val)
-                       goto e_inval;
 
-               if (__dev_get_by_index(val) == NULL) {
-                       retv = -ENODEV;
-                       break;
+               if (val) {
+                       if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != val)
+                               goto e_inval;
+
+                       if (__dev_get_by_index(&init_net, val) == NULL) {
+                               retv = -ENODEV;
+                               break;
+                       }
                }
                np->mcast_oif = val;
                retv = 0;
@@ -554,6 +557,10 @@ done:
        {
                struct ipv6_mreq mreq;
 
+               retv = -EPROTO;
+               if (inet_sk(sk)->is_icsk)
+                       break;
+
                retv = -EFAULT;
                if (copy_from_user(&mreq, optval, sizeof(struct ipv6_mreq)))
                        break;
@@ -659,7 +666,7 @@ done:
                        break;
                }
                gsf = kmalloc(optlen,GFP_KERNEL);
-               if (gsf == 0) {
+               if (!gsf) {
                        retv = -ENOBUFS;
                        break;
                }
@@ -820,7 +827,7 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
                return 0;
 
        len = min_t(unsigned int, len, ipv6_optlen(hdr));
-       if (copy_to_user(optval, hdr, len));
+       if (copy_to_user(optval, hdr, len))
                return -EFAULT;
        return ipv6_optlen(hdr);
 }