[NET]: Make packet reception network namespace safe
This patch modifies every packet receive function
registered with dev_add_pack() to drop packets if they
are not from the initial network namespace.
This should ensure that the various network stacks do
not receive packets in a anything but the initial network
namespace until the code has been converted and is ready
for them.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 92c3b6f..419a9f8 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -345,6 +345,9 @@
struct arp_pkt *arp = (struct arp_pkt *)skb->data;
int res = NET_RX_DROP;
+ if (bond_dev->nd_net != &init_net)
+ goto out;
+
if (!(bond_dev->flags & IFF_MASTER))
goto out;