IXGBE_NETLIST_ID_BLK_SIZE
if (length < IXGBE_NETLIST_ID_BLK_SIZE) {
id_blk = (uint16_t *)mallocarray(IXGBE_NETLIST_ID_BLK_SIZE,
IXGBE_NETLIST_ID_BLK_SIZE * sizeof(uint16_t));
for (i = 0; i < IXGBE_NETLIST_ID_BLK_SIZE; i++)
free(id_blk, M_TEMP, IXGBE_NETLIST_ID_BLK_SIZE * sizeof(*id_blk));