diff options
Diffstat (limited to 'drivers/net/wan/syncppp.c')
| -rw-r--r-- | drivers/net/wan/syncppp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c index 67fc67cfd45..5c71af6ea3a 100644 --- a/drivers/net/wan/syncppp.c +++ b/drivers/net/wan/syncppp.c @@ -51,6 +51,7 @@ #include <linux/spinlock.h> #include <linux/rcupdate.h> +#include <net/net_namespace.h> #include <net/syncppp.h> #include <asm/byteorder.h> @@ -1445,6 +1446,11 @@ static void sppp_print_bytes (u_char *p, u16 len) static int sppp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *p, struct net_device *orig_dev) { + if (dev->nd_net != &init_net) { + kfree_skb(skb); + return 0; + } + if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) return NET_RX_DROP; sppp_input(dev,skb); |