goto out;
rc = -ENODEV;
rtnl_lock();
+ rcu_read_lock();
if (sk->sk_bound_dev_if) {
- llc->dev = dev_get_by_index(&init_net, sk->sk_bound_dev_if);
+ llc->dev = dev_get_by_index_rcu(&init_net, sk->sk_bound_dev_if);
if (llc->dev) {
if (!addr->sllc_arphrd)
addr->sllc_arphrd = llc->dev->type;
!llc_mac_match(addr->sllc_mac,
llc->dev->dev_addr)) {
rc = -EINVAL;
- dev_put(llc->dev);
llc->dev = NULL;
}
}
} else
llc->dev = dev_getbyhwaddr(&init_net, addr->sllc_arphrd,
addr->sllc_mac);
+ rcu_read_unlock();
rtnl_unlock();
if (!llc->dev)
goto out;