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From: Wang Jian <lark@linux.net.cn>
To: Tobias DiPasquale <codeslinger@gmail.com>
Cc: netfilter-devel@lists.netfilter.org
Subject: Re: double call to ip_conntrack_put() ?
Date: Mon, 18 Apr 2005 18:25:29 +0800	[thread overview]
Message-ID: <20050418182442.0375.LARK@linux.net.cn> (raw)
In-Reply-To: <876ef97a05041802571f302bfe@mail.gmail.com>

Hi Tobias DiPasquale,


On Mon, 18 Apr 2005 05:57:30 -0400, Tobias DiPasquale <codeslinger@gmail.com> wrote:

> 
> This is intended. tuplehash_to_ctrack() generates a reference to the
> conntrack record. In death_by_timeout() the refcount is decremented,
> yielding 1 for the second call to ip_conntrack_put(). The dec_and_test
> in nf_conntrack_put() (called by ip_conntrack_put()) will result in a
> refcount of 0, sending the record to the destroy_conntrack() function
> (or more properly, whatever's registered in nfct->destroy(), which I'm
> pretty sure is always either NULL or destroy_conntrack()).
> 

Thanks for your clear answer :)

-- 
  lark

  reply	other threads:[~2005-04-18 10:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-04-18  9:29 double call to ip_conntrack_put() ? Wang Jian
2005-04-18  9:56 ` KOVACS Krisztian
2005-04-18  9:57 ` Tobias DiPasquale
2005-04-18 10:25   ` Wang Jian [this message]
2005-04-18 11:02   ` Amin Azez
2005-04-18 11:22     ` Tobias DiPasquale
2005-04-18 11:22     ` Wang Jian

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