diff options
| author | Eric W. Biederman <ebiederm@xmission.com> | 2007-09-17 20:53:39 +0200 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-11 01:49:08 +0200 |
| commit | e730c15519d09ea528b4d2f1103681fa5937c0e6 (patch) | |
| tree | c117294523f4d004fb1d740610b6403e5744cdfc /net/appletalk/aarp.c | |
| parent | [NET]: Initialize the network namespace of network devices. (diff) | |
| download | linux-e730c15519d09ea528b4d2f1103681fa5937c0e6.tar.xz linux-e730c15519d09ea528b4d2f1103681fa5937c0e6.zip | |
[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 'net/appletalk/aarp.c')
| -rw-r--r-- | net/appletalk/aarp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c index 80b54148460f..9267f4818795 100644 --- a/net/appletalk/aarp.c +++ b/net/appletalk/aarp.c @@ -713,6 +713,9 @@ static int aarp_rcv(struct sk_buff *skb, struct net_device *dev, struct atalk_addr sa, *ma, da; struct atalk_iface *ifa; + if (dev->nd_net != &init_net) + goto out0; + /* We only do Ethernet SNAP AARP. */ if (dev->type != ARPHRD_ETHER) goto out0; |