1 files changed, 20 insertions, 6 deletions

diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index fbdfb12..7c0b515 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -647,9 +647,14 @@ static inline void atalk_dev_down(struct net_device *dev)
 static int ddp_device_event(struct notifier_block *this, unsigned long event,
 			    void *ptr)
 {
+	struct net_device *dev = ptr;
+
+	if (dev->nd_net != &init_net)
+		return NOTIFY_DONE;
+
 	if (event == NETDEV_DOWN)
 		/* Discard any use of this */
-		atalk_dev_down(ptr);
+		atalk_dev_down(dev);
 
 	return NOTIFY_DONE;
 }
@@ -672,7 +677,7 @@ static int atif_ioctl(int cmd, void __user *arg)
 	if (copy_from_user(&atreq, arg, sizeof(atreq)))
 		return -EFAULT;
 
-	dev = __dev_get_by_name(atreq.ifr_name);
+	dev = __dev_get_by_name(&init_net, atreq.ifr_name);
 	if (!dev)
 		return -ENODEV;
 
@@ -896,7 +901,7 @@ static int atrtr_ioctl(unsigned int cmd, void __user *arg)
 				if (copy_from_user(name, rt.rt_dev, IFNAMSIZ-1))
 					return -EFAULT;
 				name[IFNAMSIZ-1] = '\0';
-				dev = __dev_get_by_name(name);
+				dev = __dev_get_by_name(&init_net, name);
 				if (!dev)
 					return -ENODEV;
 			}
@@ -1024,11 +1029,14 @@ static struct proto ddp_proto = {
  * Create a socket. Initialise the socket, blank the addresses
  * set the state.
  */
-static int atalk_create(struct socket *sock, int protocol)
+static int atalk_create(struct net *net, struct socket *sock, int protocol)
 {
 	struct sock *sk;
 	int rc = -ESOCKTNOSUPPORT;
 
+	if (net != &init_net)
+		return -EAFNOSUPPORT;
+
 	/*
 	 * We permit SOCK_DGRAM and RAW is an extension. It is trivial to do
 	 * and gives you the full ELAP frame. Should be handy for CAP 8)
@@ -1036,7 +1044,7 @@ static int atalk_create(struct socket *sock, int protocol)
 	if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM)
 		goto out;
 	rc = -ENOMEM;
-	sk = sk_alloc(PF_APPLETALK, GFP_KERNEL, &ddp_proto, 1);
+	sk = sk_alloc(net, PF_APPLETALK, GFP_KERNEL, &ddp_proto, 1);
 	if (!sk)
 		goto out;
 	rc = 0;
@@ -1265,7 +1273,7 @@ static __inline__ int is_ip_over_ddp(struct sk_buff *skb)
 
 static int handle_ip_over_ddp(struct sk_buff *skb)
 {
-	struct net_device *dev = __dev_get_by_name("ipddp0");
+	struct net_device *dev = __dev_get_by_name(&init_net, "ipddp0");
 	struct net_device_stats *stats;
 
 	/* This needs to be able to handle ipddp"N" devices */
@@ -1398,6 +1406,9 @@ static int atalk_rcv(struct sk_buff *skb, struct net_device *dev,
 	int origlen;
 	__u16 len_hops;
 
+	if (dev->nd_net != &init_net)
+		goto freeit;
+
 	/* Don't mangle buffer if shared */
 	if (!(skb = skb_share_check(skb, GFP_ATOMIC)))
 		goto out;
@@ -1483,6 +1494,9 @@ freeit:
 static int ltalk_rcv(struct sk_buff *skb, struct net_device *dev,
 		     struct packet_type *pt, struct net_device *orig_dev)
 {
+	if (dev->nd_net != &init_net)
+		goto freeit;
+
 	/* Expand any short form frames */
 	if (skb_mac_header(skb)[2] == 1) {
 		struct ddpehdr *ddp;