From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: Bug in netem reordering Date: Thu, 05 Jan 2012 13:28:44 -0500 (EST) Message-ID: <20120105.132844.667708412405670292.davem@davemloft.net> References: <1325734526-13428-1-git-send-email-hagen@jauu.net> <1325741656.2634.20.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: hagen@jauu.net, netdev@vger.kernel.org, shemminger@vyatta.com To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([198.137.202.13]:33383 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758015Ab2AES2x convert rfc822-to-8bit (ORCPT ); Thu, 5 Jan 2012 13:28:53 -0500 In-Reply-To: <1325741656.2634.20.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: =46rom: Eric Dumazet Date: Thu, 05 Jan 2012 06:34:16 +0100 > Le jeudi 05 janvier 2012 =E0 04:35 +0100, Hagen Paul Pfeifer a =E9cri= t : >> Not now, but it looks you are correct. q->qdisc is NULL until anothe= r >> additional qdisc is attached (beside tfifo). See 50612537e9ab2969312= =2E >> The following patch should work. >>=20 >> From: Hagen Paul Pfeifer >>=20 >> netem: catch NULL pointer by updating the real qdisc statistic >>=20 >> Reported-by: Vijay Subramanian >> Signed-off-by: Hagen Paul Pfeifer >> --- >=20 > Thanks for this fix ! >=20 > Acked-by: Eric Dumazet Applied, thanks.