On Mon, Aug 08, 2016 at 06:14:40PM +0200, ggar...@abra.uab.cat wrote:
> +static int __vsock_deliver_tap_skb(struct sk_buff *skb,
> + struct net_device *dev)
> +{
> + int ret = 0;
> +
> + if (skb) {
> + dev_hold(dev);
> + /* Take skb ownership so it is not consumed in dev_queue_xmit.
> + * dev_queue_xmit will drop a reference so the reference count
> + * will reset.
> + */
> + skb_get(skb);Netlink clones the skb instead of adding a reference. I guess this is because the skb might be modified later on? Perhaps there are race conditions if the original skb is shared.
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