thread.c cqi_new never uses one of ITEMS_PER_ALLOC allocated CQ_ITEMs

        for (i = 2; i < ITEMS_PER_ALLOC; i++)

...

cqi_freelist = &cq_item[1];

        for (i = 1; i < ITEMS_PER_ALLOC; i++)

cqi_freelist = &cq_item[0];

        /* Allocate a bunch of items at once to reduce fragmentation */

        cq_item = malloc(sizeof(CQ_ITEM) * ITEMS_PER_ALLOC);

        if (NULL == cq_item)

            return NULL;

        /*

         * Link together all the new items except the first one

         * (which we'll return to the caller) for placement on

         * the freelist.

         */

        for (i = 2; i < ITEMS_PER_ALLOC; i++)

            cq_item[i - 1].next = &cq_item[i];

        cb_mutex_enter(&cqi_freelist_lock);

        cq_item[ITEMS_PER_ALLOC - 1].next = cqi_freelist;

        cqi_freelist = &cq_item[1];