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Date: Mon, 7 Sep 2020 12:35:12 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Xie He <xie.he.0141@...il.com>, Willem de Bruijn <willemdebruijn.kernel@...il.com>, Martin Schiller <ms@....tdt.de>, "David S . Miller" <davem@...emloft.net>, Sasha Levin <sashal@...nel.org>, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 4.9 01/13] drivers/net/wan/lapbether: Added needed_tailroom From: Xie He <xie.he.0141@...il.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@...il.com> Cc: Martin Schiller <ms@....tdt.de> Signed-off-by: Xie He <xie.he.0141@...il.com> Signed-off-by: David S. Miller <davem@...emloft.net> Signed-off-by: Sasha Levin <sashal@...nel.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 6eb0f7a85e531..5befc7f3f0e7a 100644 --- a/drivers/net/wan/lapbether.c +++ b/drivers/net/wan/lapbether.c @@ -343,6 +343,7 @@ 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; -- 2.25.1
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