Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 14 Nov 2001 06:48:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 14 Nov 2001 06:48:22 -0500 Received: from pizda.ninka.net ([216.101.162.242]:19587 "EHLO pizda.ninka.net") by vger.kernel.org with ESMTP id ; Wed, 14 Nov 2001 06:48:18 -0500 Date: Wed, 14 Nov 2001 03:48:15 -0800 (PST) Message-Id: <20011114.034815.35015101.davem@redhat.com> To: tip@internetwork-ag.de Cc: linux-kernel@vger.kernel.org, paulus@samba.org, linux-ppp@vger.kernel.org Subject: Re: [PATCH] ppp_generic causes skput:under: w/ pppoatm andvc-encaps From: "David S. Miller" In-Reply-To: <3BF251C6.23CD1243@internetwork-ag.de> In-Reply-To: <3BF190F0.3FB26BD0@internetwork-ag.de> <20011113.210221.55509229.davem@redhat.com> <3BF251C6.23CD1243@internetwork-ag.de> X-Mailer: Mew version 2.0 on Emacs 21.0 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: Till Immanuel Patzschke Date: Wed, 14 Nov 2001 12:13:10 +0100 that is - of course - a more pppoatm specific fix BUT my concern ist that PPP requires (!) to have at least 2 bytes headroom [when using PPP_FILTER] (which is NOT noted), and isn't it good practice to check for room before claiming it? Ignore my comments, I thought this was happening on output. Yes, it seems ppp_generic should be verifying the headroom. Franks a lot, David S. Miller davem@redhat.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/