On Fri, 7 Jun 2019 20:31:43 +0300, Ilya Maximets wrote:
> +static int xsk_notifier(struct notifier_block *this,
> + unsigned long msg, void *ptr)
> +{
> + struct sock *sk;
> + struct net_device *dev = netdev_notifier_info_to_dev(ptr);
> + struct net *net = dev_net(dev);
> + int i, unregister_count = 0;
Please order the var declaration lines longest to shortest.
(reverse christmas tree)
> + mutex_lock(&net->xdp.lock);
> + sk_for_each(sk, &net->xdp.list) {
> + struct xdp_sock *xs = xdp_sk(sk);
> +
> + mutex_lock(&xs->mutex);
> + switch (msg) {
> + case NETDEV_UNREGISTER:
You should probably check the msg type earlier and not take all the
locks and iterate for other types..
