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path: root/drivers/net/wan
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-rw-r--r--drivers/net/wan/hdlc_cisco.c1
-rw-r--r--drivers/net/wan/lapbether.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index a408abc25512..7f99fb666f19 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -377,6 +377,7 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
memcpy(&state(hdlc)->settings, &new_settings, size);
spin_lock_init(&state(hdlc)->lock);
dev->header_ops = &cisco_header_ops;
+ dev->hard_header_len = sizeof(struct hdlc_header);
dev->type = ARPHRD_CISCO;
call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev);
netif_dormant_on(dev);
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 6eb0f7a85e53..c6db9a4e7c45 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -213,6 +213,8 @@ static void lapbeth_data_transmit(struct net_device *ndev, struct sk_buff *skb)
skb->dev = dev = lapbeth->ethdev;
+ skb_reset_network_header(skb);
+
dev_hard_header(skb, dev, ETH_P_DEC, bcast_addr, NULL, 0);
dev_queue_xmit(skb);
@@ -343,6 +345,7 @@ static int lapbeth_new_device(struct net_device *dev)
*/
ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len
+ dev->needed_headroom;
+ ndev->needed_tailroom = dev->needed_tailroom;
lapbeth = netdev_priv(ndev);
lapbeth->axdev = ndev;