diff options
| -rw-r--r-- | drivers/net/ppp/ppp_generic.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c index fa8f5046afe9..0481daf9201a 100644 --- a/drivers/net/ppp/ppp_generic.c +++ b/drivers/net/ppp/ppp_generic.c @@ -283,6 +283,8 @@ static int unit_set(struct idr *p, void *ptr, int n); static void unit_put(struct idr *p, int n); static void *unit_find(struct idr *p, int n); +static const struct net_device_ops ppp_netdev_ops; + static struct class *ppp_class; /* per net-namespace data */ @@ -919,13 +921,22 @@ static __net_init int ppp_init_net(struct net *net) static __net_exit void ppp_exit_net(struct net *net) { struct ppp_net *pn = net_generic(net, ppp_net_id); + struct net_device *dev; + struct net_device *aux; struct ppp *ppp; LIST_HEAD(list); int id; rtnl_lock(); + for_each_netdev_safe(net, dev, aux) { + if (dev->netdev_ops == &ppp_netdev_ops) + unregister_netdevice_queue(dev, &list); + } + idr_for_each_entry(&pn->units_idr, ppp, id) - unregister_netdevice_queue(ppp->dev, &list); + /* Skip devices already unregistered by previous loop */ + if (!net_eq(dev_net(ppp->dev), net)) + unregister_netdevice_queue(ppp->dev, &list); unregister_netdevice_many(&list); rtnl_unlock(); @@ -1017,6 +1028,7 @@ ppp_start_xmit(struct sk_buff *skb, struct net_device *dev) proto = npindex_to_proto[npi]; put_unaligned_be16(proto, pp); + skb_scrub_packet(skb, !net_eq(ppp->ppp_net, dev_net(dev))); skb_queue_tail(&ppp->file.xq, skb); ppp_xmit_process(ppp); return NETDEV_TX_OK; @@ -1137,7 +1149,6 @@ static void ppp_setup(struct net_device *dev) dev->tx_queue_len = 3; dev->type = ARPHRD_PPP; dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST; - dev->features |= NETIF_F_NETNS_LOCAL; netif_keep_dst(dev); } @@ -1900,6 +1911,8 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb) skb->dev = ppp->dev; skb->protocol = htons(npindex_to_ethertype[npi]); skb_reset_mac_header(skb); + skb_scrub_packet(skb, !net_eq(ppp->ppp_net, + dev_net(ppp->dev))); netif_rx(skb); } } |