From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62C70C43461 for ; Mon, 7 Sep 2020 16:43:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E647208C7 for ; Mon, 7 Sep 2020 16:43:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599496997; bh=HPVoBkwWM2VEuHSnaDmJ4BHUWkB/Y6RRhjh/6SvnQNY=; h=From:To:Cc:Subject:Date:List-ID:From; b=yrwCkywy1chWBZ/TF2hCRJ3diGReiEbmuAWYjsy2MNDjW3dP2rcSoc4ot2axKlRKy XmvRdFqHRZEQM6OiqO1iq+SwfCWS8bcs/0qSHx4P9dUkoIoyIOf6rcJF5vRlbVHZXW IvalVRhT7I4LSHJ3NI4ykFNMm4VuPbiNGD3fx90s= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730870AbgIGQgB (ORCPT ); Mon, 7 Sep 2020 12:36:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:49646 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730852AbgIGQfq (ORCPT ); Mon, 7 Sep 2020 12:35:46 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B6B8321927; Mon, 7 Sep 2020 16:35:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1599496545; bh=HPVoBkwWM2VEuHSnaDmJ4BHUWkB/Y6RRhjh/6SvnQNY=; h=From:To:Cc:Subject:Date:From; b=0aTFBBV8P+v0zqC7QWVaRcZkcwKXHmW8cCQXd5Vv+4KaBUzGBHShoIQGCglS+5iZi BFwOsxeXUwn4G8qff1vHpoq2xD+QGhNepzeMLE8kstRLdH81L3WLQkliM5ZtTb/Kq9 Nb4VmGktHmCLGHVYnF4MYcRDatJJWojgB1U+S3Vc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Xie He , Willem de Bruijn , Martin Schiller , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 01/10] drivers/net/wan/lapbether: Added needed_tailroom Date: Mon, 7 Sep 2020 12:35:34 -0400 Message-Id: <20200907163543.1281889-1-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Xie He [ 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 Cc: Martin Schiller Signed-off-by: Xie He Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- 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