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From: David Miller <davem@davemloft.net>
To: jarkao2@gmail.com
Cc: shemminger@vyatta.com, netdev@vger.kernel.org, franchoze@yandex.ru
Subject: Re: [PATCH] sfq: add dummy bind/unbind handles
Date: Sat, 07 Aug 2010 22:45:14 -0700 (PDT)	[thread overview]
Message-ID: <20100807.224514.137860816.davem@davemloft.net> (raw)
In-Reply-To: <4C5C97F3.3010604@gmail.com>

From: Jarek Poplawski <jarkao2@gmail.com>
Date: Sat, 07 Aug 2010 01:17:07 +0200

> Stephen Hemminger wrote, On 07.08.2010 00:23:
> 
>> Applying a filter to an SFQ qdisc would cause null dereference
>> in tcf_bind_filter because although SFQ is classful it didn't
>> have all the necessary equipment.
>> 
>> Better alternative to changing tcf_bind API is to just fix
>> SFQ.  This should go to net-2.6 and stable.
>> 
> 
> Hmm... FYI, actually I've sent already a similar patch to the
> original bug report thread (except .unbind_tcf method which
> doesn't matter for fixing this bug, so should be rather
> implemented in a separate patch, if needed at all in this
> case).

Agreed, I can't see a way that unbind can ever be invoked
if the bind call always returns zero.

Therefore I'll apply Jarek's patch, thanks everyone.

  reply	other threads:[~2010-08-08  5:44 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20100806193548.007978639@vyatta.com>
2010-08-06 19:35 ` [PATCH 1/9] net classifier: dont allow filters on semi-classful qdisc Stephen Hemminger
2010-08-06 21:24   ` Jarek Poplawski
2010-08-06 21:58     ` Stephen Hemminger
2010-08-06 22:23       ` [PATCH] sfq: add dummy bind/unbind handles Stephen Hemminger
2010-08-06 23:17         ` Jarek Poplawski
2010-08-08  5:45           ` David Miller [this message]
2010-08-08  7:04             ` Jarek Poplawski
2010-08-09 15:01               ` Franchoze Eric
2010-08-06 22:26       ` [PATCH 1/9] net classifier: dont allow filters on semi-classful qdisc Jarek Poplawski
2010-08-08  5:59         ` David Miller
2010-08-06 19:35 ` [PATCH 2/9] net classifier: deinline bind/unbind functions Stephen Hemminger
2010-08-06 19:35 ` [PATCH 3/9] u32 classifier: fix sparse warnings Stephen Hemminger
2010-08-06 19:35 ` [PATCH 4/9] netem: add locking around changes Stephen Hemminger
2010-08-06 19:35 ` [PATCH 5/9] netem: cleanup dump code Stephen Hemminger
2010-08-06 19:35 ` [PATCH 6/9] netem: distribution table changes Stephen Hemminger
2010-08-06 19:35 ` [PATCH 7/9] netem: dump distribution table Stephen Hemminger
2010-08-06 19:35 ` [PATCH 8/9] netem - revised correlated loss generator Stephen Hemminger
2010-08-06 19:35 ` [PATCH 9/9] netem: restore no jitter option Stephen Hemminger

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