Phonet: basic net namespace support

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 9d211f1..13cb323 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -67,9 +67,6 @@
 	struct phonet_protocol *pnp;
 	int err;
 
-	if (net != &init_net)
-		return -EAFNOSUPPORT;
-
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
@@ -352,9 +349,6 @@
 	struct sockaddr_pn sa;
 	u16 len;
 
-	if (dev_net(dev) != &init_net)
-		goto out;
-
 	/* check we have at least a full Phonet header */
 	if (!pskb_pull(skb, sizeof(struct phonethdr)))
 		goto out;
@@ -373,7 +367,7 @@
 	if (pn_sockaddr_get_addr(&sa) == 0)
 		goto out; /* currently, we cannot be device 0 */
 
-	sk = pn_find_sock_by_sa(&sa);
+	sk = pn_find_sock_by_sa(dev_net(dev), &sa);
 	if (sk == NULL) {
 		if (can_respond(skb)) {
 			send_obj_unreachable(skb);