[NET]: Make packet reception network namespace safe

[linux-2.6.git] / net / ax25 / ax25_in.c

diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 0ddaff0df217d37e58c0e920f0c401e4dde330cb..3b7d1720c2eee2c3d652526f74f92094bb4634b4 100644 (file)
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -451,6 +451,11 @@ int ax25_kiss_rcv(struct sk_buff *skb, struct net_device *dev,
        skb->sk = NULL;         /* Initially we don't know who it's for */
        skb->destructor = NULL; /* Who initializes this, dammit?! */
 
+       if (dev->nd_net != &init_net) {
+               kfree_skb(skb);
+               return 0;
+       }
+
        if ((*skb->data & 0x0F) != 0) {
                kfree_skb(skb); /* Not a KISS data frame */
                return 0;