[NET]: Make socket creation namespace safe.

[linux-2.6-omap-h63xx.git] / net / decnet / af_decnet.c

diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 625d5955b8e284a17b84a67b887fe73127fde13f..aca4c4930eb6aaaac698582416026327a20ad175 100644 (file)
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -471,10 +471,10 @@ static struct proto dn_proto = {
        .obj_size               = sizeof(struct dn_sock),
 };
 
-static struct sock *dn_alloc_sock(struct socket *sock, gfp_t gfp)
+static struct sock *dn_alloc_sock(struct net *net, struct socket *sock, gfp_t gfp)
 {
        struct dn_scp *scp;
-       struct sock *sk = sk_alloc(PF_DECnet, gfp, &dn_proto, 1);
+       struct sock *sk = sk_alloc(net, PF_DECnet, gfp, &dn_proto, 1);
 
        if  (!sk)
                goto out;
@@ -675,10 +675,13 @@ char *dn_addr2asc(__u16 addr, char *buf)
 
 
 
-static int dn_create(struct socket *sock, int protocol)
+static int dn_create(struct net *net, struct socket *sock, int protocol)
 {
        struct sock *sk;
 
+       if (net != &init_net)
+               return -EAFNOSUPPORT;
+
        switch(sock->type) {
                case SOCK_SEQPACKET:
                        if (protocol != DNPROTO_NSP)
@@ -691,7 +694,7 @@ static int dn_create(struct socket *sock, int protocol)
        }
 
 
-       if ((sk = dn_alloc_sock(sock, GFP_KERNEL)) == NULL)
+       if ((sk = dn_alloc_sock(net, sock, GFP_KERNEL)) == NULL)
                return -ENOBUFS;
 
        sk->sk_protocol = protocol;
@@ -1091,7 +1094,7 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
 
        cb = DN_SKB_CB(skb);
        sk->sk_ack_backlog--;
-       newsk = dn_alloc_sock(newsock, sk->sk_allocation);
+       newsk = dn_alloc_sock(sk->sk_net, newsock, sk->sk_allocation);
        if (newsk == NULL) {
                release_sock(sk);
                kfree_skb(skb);