Re: sk_buff destructor in 2.2.18

christophe barbé (christophe.barbe@lineo.fr)
Wed, 23 May 2001 17:02:15 +0200


I believe you and It's sure that I have not tested all cases.
So do you see a way to use a private data buffer ?

Christophe

On Wed, 23 May 2001 16:55:57 Andi Kleen wrote:
> On Wed, May 23, 2001 at 04:50:28PM +0200, christophe barbé wrote:
> > I don't know about socket but I allocate myself the skbuff and I set
> the
> > destructor (and previously the pointer value is NULL). So I don't
> overwrite
> > a destructor.
>
> That just means you didn't test all cases; e.g. not TCP or UDP
> send/receive.
>
>
>
> >
> > I believe net/core/sock.c is not involved in my problem but I can be
> wrong.
> > What is worrying me is that I don't know who clones my skbuff and why.
>
> skbuffs are cloned all over the stack for various reasons.
>
>
> > To said everything, I know who clones my skbuff because it causes a
> oops
> > when it tries to free my buffer If I use my destructor.
>
> Because you're mistakely using a private field.
>
>
> -Andi
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-- 
Christophe Barbé
Software Engineer - christophe.barbe@lineo.fr
Lineo France - Lineo High Availability Group
42-46, rue Médéric - 92110 Clichy - France
phone (33).1.41.40.02.12 - fax (33).1.41.40.02.01
http://www.lineo.com

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