[NETNS][IPV6] af_inet6 - allow socket creation per namespace
Allow creation of IPv6 raw and datagram sockets in network namespaces
other than init_net.
Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index af5b307..430bbd2 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -92,9 +92,6 @@
int try_loading_module = 0;
int err;
- if (net != &init_net)
- return -EAFNOSUPPORT;
-
if (sock->type != SOCK_RAW &&
sock->type != SOCK_DGRAM &&
!inet_ehash_secret)
@@ -248,6 +245,7 @@
struct sock *sk = sock->sk;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
+ struct net *net = sk->sk_net;
__be32 v4addr = 0;
unsigned short snum;
int addr_type = 0;
@@ -278,7 +276,7 @@
/* Check if the address belongs to the host. */
if (addr_type == IPV6_ADDR_MAPPED) {
v4addr = addr->sin6_addr.s6_addr32[3];
- if (inet_addr_type(&init_net, v4addr) != RTN_LOCAL) {
+ if (inet_addr_type(net, v4addr) != RTN_LOCAL) {
err = -EADDRNOTAVAIL;
goto out;
}
@@ -300,7 +298,7 @@
err = -EINVAL;
goto out;
}
- dev = dev_get_by_index(&init_net, sk->sk_bound_dev_if);
+ dev = dev_get_by_index(net, sk->sk_bound_dev_if);
if (!dev) {
err = -ENODEV;
goto out;
@@ -312,7 +310,7 @@
*/
v4addr = LOOPBACK4_IPV6;
if (!(addr_type & IPV6_ADDR_MULTICAST)) {
- if (!ipv6_chk_addr(&init_net, &addr->sin6_addr,
+ if (!ipv6_chk_addr(net, &addr->sin6_addr,
dev, 0)) {
if (dev)
dev_put(dev);