size_t elem_size; \
elems = slab_list->elements_per_slab * (1 + slab_list->num_children); \
elem_size = slab_list->elements_per_slab * (sizeof(fr_ ## _name ## _slab_element_t) + slab_list->child_pool_size); \
- slab = talloc_zero_pooled_object(slab_list, fr_ ## _name ## _slab_t, elems, elem_size); \
+ MEM(slab = talloc_zero_pooled_object(slab_list, fr_ ## _name ## _slab_t, elems, elem_size)); \
fr_ ## _name ## _slab_element_init(&slab->avail); \
fr_ ## _name ## _slab_element_init(&slab->reserved); \
fr_ ## _name ## _slab_insert_head(&slab_list->avail, slab); \