Florian Westphal <f...@strlen.de> wrote:
> + mutex_lock(&ifalias_mutex);
> +
> + old = rcu_dereference_protected(dev->ifalias,
> + mutex_is_locked(&ifalias_mutex));
> + if (len) {
> + memcpy(new_alias->ifalias, alias, len);
> + new_alias->ifalias[len] = 0;
> + }This can be done outside of the lock, so this can be > + > + rcu_assign_pointer(dev->ifalias, new_alias); rcu_swap_protected(). I'll send a v3.
