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/block | |
| 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/block')
| -rw-r--r-- | drivers/block/aoe/aoenet.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoenet.c b/drivers/block/aoe/aoenet.c index f9ddfda4d9cb..4dc0fb7da94b 100644 --- a/drivers/block/aoe/aoenet.c +++ b/drivers/block/aoe/aoenet.c @@ -8,6 +8,7 @@ #include <linux/blkdev.h> #include <linux/netdevice.h> #include <linux/moduleparam.h> +#include <net/net_namespace.h> #include <asm/unaligned.h> #include "aoe.h" @@ -114,6 +115,9 @@ aoenet_rcv(struct sk_buff *skb, struct net_device *ifp, struct packet_type *pt, struct aoe_hdr *h; u32 n; + if (ifp->nd_net != &init_net) + goto exit; + skb = skb_share_check(skb, GFP_ATOMIC); if (skb == NULL) return 0; |