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authorEric W. Biederman <ebiederm@xmission.com>2007-09-17 11:53:39 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:49:08 -0700
commite730c15519d09ea528b4d2f1103681fa5937c0e6 (patch)
treec117294523f4d004fb1d740610b6403e5744cdfc /net/appletalk/aarp.c
parent6d34b1c27a72d5d1c73c567b2f6b1fde316e0eae (diff)
downloadvexpress-lsk-e730c15519d09ea528b4d2f1103681fa5937c0e6.tar.gz
[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.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index 80b54148460..9267f481879 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;