diff options
author | Eric W. Biederman <ebiederm@xmission.com> | 2007-09-17 22:53:39 +0400 |
---|---|---|
committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-11 03:49:08 +0400 |
commit | e730c15519d09ea528b4d2f1103681fa5937c0e6 (patch) | |
tree | c117294523f4d004fb1d740610b6403e5744cdfc /drivers/net/bonding/bond_3ad.c | |
parent | 6d34b1c27a72d5d1c73c567b2f6b1fde316e0eae (diff) | |
download | linux-e730c15519d09ea528b4d2f1103681fa5937c0e6.tar.xz |
[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>
Diffstat (limited to 'drivers/net/bonding/bond_3ad.c')
-rw-r--r-- | drivers/net/bonding/bond_3ad.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index f829e4ad8b49..94bd73941451 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -29,6 +29,7 @@ #include <linux/ethtool.h> #include <linux/if_bonding.h> #include <linux/pkt_sched.h> +#include <net/net_namespace.h> #include "bonding.h" #include "bond_3ad.h" @@ -2448,6 +2449,9 @@ int bond_3ad_lacpdu_recv(struct sk_buff *skb, struct net_device *dev, struct pac struct slave *slave = NULL; int ret = NET_RX_DROP; + if (dev->nd_net != &init_net) + goto out; + if (!(dev->flags & IFF_MASTER)) goto out; |