[NET]: Make packet reception network namespace safe

[linux-2.6-omap-h63xx.git] / net / llc / llc_input.c

diff --git a/net/llc/llc_input.c b/net/llc/llc_input.c
index 099ed8fec1454b3f38822f0e3d8e0870108e52d7..c40c9b2a345aca6058d222ad662f4a830c943d7e 100644 (file)
--- a/net/llc/llc_input.c
+++ b/net/llc/llc_input.c
@@ -12,6 +12,7 @@
  * See the GNU General Public License for more details.
  */
 #include <linux/netdevice.h>
+#include <net/net_namespace.h>
 #include <net/llc.h>
 #include <net/llc_pdu.h>
 #include <net/llc_sap.h>
@@ -145,6 +146,9 @@ int llc_rcv(struct sk_buff *skb, struct net_device *dev,
        int (*rcv)(struct sk_buff *, struct net_device *,
                   struct packet_type *, struct net_device *);
 
+       if (dev->nd_net != &init_net)
+               goto drop;
+
        /*
         * When the interface is in promisc. mode, drop all the crap that it
         * receives, do not try to analyse it.