On Wed, 2010-09-29 at 10:16 +0200, Michael S. Tsirkin wrote: > If you look at dev_hard_start_xmit you will see a call > to skb_orphan_try which often calls the skb destructor. > So I suspect this is almost equivalent to your original patch, > and has the same correctness issue. I forgot to mention, in skb_orphan_try, I still kept the skb->sk reference to sk, I assign skb->sk to NULL when the DMA done. Thanks Shirley -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html