[NET]: Make device event notification network namespace safe

[linux-2.6-omap-h63xx.git] / net / netfilter / nfnetlink_queue.c

diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index bb65a38c816c79d88561feaacaa6734df57a6a5e..5a8e8ff766414438ad0a3ea9f3c338b9af3905d5 100644 (file)
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -734,6 +734,9 @@ nfqnl_rcv_dev_event(struct notifier_block *this,
 {
        struct net_device *dev = ptr;
 
+       if (dev->nd_net != &init_net)
+               return NOTIFY_DONE;
+
        /* Drop any packets associated with the downed device */
        if (event == NETDEV_DOWN)
                nfqnl_dev_drop(dev->ifindex);