From: "Dmitry Petukhov" <dmgenp@gmail.com>
To: "Wei Yongjun" <yjwei@cn.fujitsu.com>
Cc: davem@davemloft.net, netdev@vger.kernel.org, acme@ghostprotocols.net
Subject: Re: [PATCH 2.6.26-rc4] fix double call of kfree_skb in net/llc/llc_sap.c
Date: Tue, 27 May 2008 14:00:08 +0600 [thread overview]
Message-ID: <84ee89da0805270100s3e0da6dbh7dd8f3744b2a6c8f@mail.gmail.com> (raw)
In-Reply-To: <483BB8EF.4090904@cn.fujitsu.com>
2008/5/27 Wei Yongjun <yjwei@cn.fujitsu.com>:
> Not correct, since kfree_skb(skb) is used after skb_get(skb).
>
> First, it used skb_get inc the users counter, and then, kfree_skb will dec
> the users count, not do the real free.
The problem is what there will be one extra call to kfree_skb without
this return, and it will decrease the counter one extra time then.
//sorry for re-post, forgot to CC the list
next prev parent reply other threads:[~2008-05-27 8:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-27 7:09 [PATCH 2.6.26-rc4] fix double call of kfree_skb in net/llc/llc_sap.c Dmitry Petukhov
2008-05-27 7:31 ` Wei Yongjun
2008-05-27 8:00 ` Dmitry Petukhov [this message]
[not found] ` <84ee89da0805270047v1c76b4f3k5768fe853f2cea1d@mail.gmail.com>
[not found] ` <483BC1B0.2090600@cn.fujitsu.com>
[not found] ` <84ee89da0805270235t7ae75356la2ffbb5244de2f74@mail.gmail.com>
2008-05-28 10:59 ` Dmitry Petukhov
2008-05-28 20:16 ` Arnaldo Carvalho de Melo
2008-05-29 8:51 ` Dmitry Petukhov
2008-05-29 10:45 ` David Miller
2008-05-29 13:44 ` [PATCH][LLC]: Fix double accounting of received packets Arnaldo Carvalho de Melo
2008-05-30 9:57 ` David Miller
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