[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/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 25a3444..77ac27e 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -1326,6 +1326,9 @@
int command;
__u8 control;
+ if (dev->nd_net != &init_net)
+ goto out;
+
/* FIXME: should we get our own field? */
self = (struct irlap_cb *) dev->atalk_ptr;