From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oliver Neukum Subject: Re: [PATCH 1/2 v2] usbnet: fix bad header length bug Date: Mon, 10 Feb 2014 07:40:58 +0100 Message-ID: <1392014458.21271.6.camel@linux-fkkt.site> References: <1391987174-21828-1-git-send-email-emilgoode@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: "David S. Miller" , Ming Lei , Mark Brown , Jeff Kirsher , Glen Turner , netdev@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org To: Emil Goode Return-path: In-Reply-To: <1391987174-21828-1-git-send-email-emilgoode@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Mon, 2014-02-10 at 00:06 +0100, Emil Goode wrote: > The AX88772B occasionally send rx packets that cross urb boundaries > and the remaining partial packet is sent with no hardware header. > When the buffer with a partial packet is of less number of octets > than the value of hard_header_len the buffer is discarded by the > usbnet module. This is causing dropped packages and error messages > in dmesg. > > This can be reproduced by using ping with a packet size > between 1965-1976. Well, then how about simply removing the check? It seems to have outlived its usefulness. Regards Oliver