Hi Patrick,

Patrick McHardy wrote:

> skb_copy_bits always stays inside limits if len is positive, so you can
> do something like this:
>
> if  (copy_range == 0)
>  data_len = ~0UL;
> else
>  data_len = copy_range;
>
> but you have to remove the jump to nlmsg_failure when skb_copy_bits 
> fails.


thanks for your suggestions, I've applied them to my patch.

regards,
Pablo