Micha³ Miros³aw wrote:
> Eliminate possible NULL pointer dereference in nfulnl_recv_config().
> 
> Signed-off-by: Michał Mirosław <[EMAIL PROTECTED]>
> 
> --- linux-2.6.20/net/netfilter/nfnetlink_log.c.10     2007-02-12 
> 17:05:14.000000000 +0100
> +++ linux-2.6.20/net/netfilter/nfnetlink_log.c        2007-02-12 
> 17:35:50.000000000 +0100
> @@ -853,6 +853,9 @@ nfulnl_recv_config(struct sock *ctnl, st
>                       ret = -EINVAL;
>                       break;
>               }
> +
> +             if (!inst)
> +                     goto out_null;

I think we should check that an instance is present before doing
any changes any return an error if the user tries to change the
configuration for a non-existant instance.
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