Commit 
f2dba9c6ff ("rhashtable: Introduce rhashtable_walk_*") forgot to
initialize the members of struct rhashtable_walker after allocating it, which
caused an undefined value for 'resize' which is used later on.
Fixes: f2dba9c6ff ("rhashtable: Introduce rhashtable_walk_*")
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
        if (!iter->walker)
                return -ENOMEM;
 
+       INIT_LIST_HEAD(&iter->walker->list);
+       iter->walker->resize = false;
+
        mutex_lock(&ht->mutex);
        list_add(&iter->walker->list, &ht->walkers);
        mutex_unlock(&ht->mutex);