From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759174Ab1JFTnQ (ORCPT ); Thu, 6 Oct 2011 15:43:16 -0400 Received: from shards.monkeyblade.net ([198.137.202.13]:33847 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756812Ab1JFTnP (ORCPT ); Thu, 6 Oct 2011 15:43:15 -0400 Date: Thu, 06 Oct 2011 15:41:05 -0400 (EDT) Message-Id: <20111006.154105.273839447525115710.davem@davemloft.net> To: levinsasha928@gmail.com Cc: linux-kernel@vger.kernel.org, rusty@rustcorp.com.au, mst@redhat.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, kvm@vger.kernel.org Subject: Re: [PATCH v2 1/2] virtio-net: Verify page list size before fitting into skb From: David Miller In-Reply-To: <1317220855-9352-1-git-send-email-levinsasha928@gmail.com> References: <1317220855-9352-1-git-send-email-levinsasha928@gmail.com> X-Mailer: Mew version 6.3 on Emacs 23.2 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.6 (shards.monkeyblade.net [198.137.202.13]); Thu, 06 Oct 2011 12:41:09 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sasha Levin Date: Wed, 28 Sep 2011 17:40:54 +0300 > This patch verifies that the length of a buffer stored in a linked list > of pages is small enough to fit into a skb. > > If the size is larger than a max size of a skb, it means that we shouldn't > go ahead building skbs anyway since we won't be able to send the buffer as > the user requested. > > Cc: Rusty Russell > Cc: "Michael S. Tsirkin" > Cc: virtualization@lists.linux-foundation.org > Cc: netdev@vger.kernel.org > Cc: kvm@vger.kernel.org > Signed-off-by: Sasha Levin Applied to net-next