diff options
Diffstat (limited to 'drivers/net/wan/hdlc.c')
| -rw-r--r-- | drivers/net/wan/hdlc.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c index 65ad2e24caf0..d553e6f32851 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); @@ -102,6 +109,9 @@ static int hdlc_device_event(struct notifier_block *this, unsigned long event, unsigned long flags; int on; + if (dev->nd_net != &init_net) + return NOTIFY_DONE; + if (dev->get_stats != hdlc_get_stats) return NOTIFY_DONE; /* not an HDLC device */ @@ -222,6 +232,8 @@ int hdlc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) return -EINVAL; } +static const struct header_ops hdlc_null_ops; + static void hdlc_setup_dev(struct net_device *dev) { /* Re-init all variables changed by HDLC protocol drivers, @@ -233,13 +245,9 @@ static void hdlc_setup_dev(struct net_device *dev) dev->type = ARPHRD_RAWHDLC; dev->hard_header_len = 16; dev->addr_len = 0; - dev->hard_header = NULL; - dev->rebuild_header = NULL; - dev->set_mac_address = NULL; - dev->hard_header_cache = NULL; - dev->header_cache_update = NULL; + dev->header_ops = &hdlc_null_ops; + dev->change_mtu = hdlc_change_mtu; - dev->hard_header_parse = NULL; } static void hdlc_setup(struct net_device *dev) |