On Mon, 29 May 2017 20:48:16 -0700
Sowmini Varadhan <sowmini.varad...@oracle.com> wrote:

> +     np = &nht->hash_buckets[hash_val];
> +     while ((n = rcu_dereference_protected(*np,
> +                             lockdep_is_held(&tbl->lock))) != NULL) {
> +             write_lock(&n->lock);
> +             if (n == ndel) {
> +                     bool retval = false;
> +
> +                     if  (atomic_read(&n->refcnt) == 1) {
> +                             rcu_assign_pointer(*np,
> +                                     rcu_dereference_protected(n->next,
> +                                     lockdep_is_held(&tbl->lock)));
> +                             n->dead = 1;
> +                             retval = true;
> +                     }
> +                     write_unlock(&n->lock);
> +                     if (retval)
> +                             neigh_cleanup_and_release(n);
> +                     write_unlock_bh(&tbl->lock);
> +                     return retval;
> +             }
> +             write_unlock(&n->lock);
> +             np = &n->next;
> +     }
> +

Please don't copy/paste chunks of code. Instead refactor and make this
into a helper function. 

Reply via email to