linux-kernel - Re: [2.6 patch] net/llc/llc_conn.c: fix possible NULL dereference

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Message-ID: <464E8ED7.6060607@redhat.com>
Date:	Sat, 19 May 2007 13:44:55 +0800
From:	Eugene Teo <eteo@...hat.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
CC:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [2.6 patch] net/llc/llc_conn.c: fix possible NULL dereference

Hi Randy,

Randy Dunlap wrote:
> On Sat, 19 May 2007 13:13:07 +0800 Eugene Teo wrote:
> 
>> skb_peek() might return an empty list. skb should be checked before calling
>> llc_pdu_sn_hdr() with it.
>>
>> Spotted by the Coverity checker.
>>
>> Signed-off-by: Eugene Teo <eteo@...hat.com>
[...]
> 
> Networking patches need to be sent to the netdev@...r.kernel.org
> mailing list  (and lkml can be omitted IMHO).
> 
> But... instead of doing the assignment and test in one swoop,
> we prefer:

Right, thanks for the reminder!

Eugene
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