From: Xie He xie.he.0141@gmail.com
[ Upstream commit 1ee39c1448c4e0d480c5b390e2db1987561fb5c2 ]
The underlying Ethernet device may request necessary tailroom to be allocated by setting needed_tailroom. This driver should also set needed_tailroom to request the tailroom needed by the underlying Ethernet device to be allocated.
Cc: Willem de Bruijn willemdebruijn.kernel@gmail.com Cc: Martin Schiller ms@dev.tdt.de Signed-off-by: Xie He xie.he.0141@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wan/lapbether.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c index 1ea15f2123ed5..cc297ea9c6ece 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -340,6 +340,7 @@ 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;