diff options
Diffstat (limited to 'drivers/net/wan')
| -rw-r--r-- | drivers/net/wan/hdlc.c | 7 | ||||
| -rw-r--r-- | drivers/net/wan/lapbether.c | 3 | ||||
| -rw-r--r-- | drivers/net/wan/syncppp.c | 6 |
3 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c index 65ad2e24caf..3b57350eacc 100644 --- a/drivers/net/wan/hdlc.c +++ b/drivers/net/wan/hdlc.c @@ -36,6 +36,7 @@ #include <linux/rtnetlink.h> #include <linux/notifier.h> #include <linux/hdlc.h> +#include <net/net_namespace.h> static const char* version = "HDLC support module revision 1.21"; @@ -66,6 +67,12 @@ static int hdlc_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *p, struct net_device *orig_dev) { struct hdlc_device_desc *desc = dev_to_desc(dev); + + if (dev->nd_net != &init_net) { + kfree_skb(skb); + return 0; + } + if (desc->netif_rx) return desc->netif_rx(skb); diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index 6c302e9dbca..ca8b3c3cb93 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -91,6 +91,9 @@ static int lapbeth_rcv(struct sk_buff *skb, struct net_device *dev, struct packe int len, err; struct lapbethdev *lapbeth; + if (dev->nd_net != &init_net) + goto drop; + if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) return NET_RX_DROP; 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); |