static void pmcraid_ioa_shutdown(struct pmcraid_cmd *cmd)
{
	pmcraid_info("response for Cancel CCN CDB[0] = %x ioasc = %x\n",
		     cmd->ioa_cb->ioarcb.cdb[0],
		     le32_to_cpu(cmd->ioa_cb->ioasa.ioasc));

	/* Note that commands sent during reset require next command to be sent
	 * to IOA. Hence reinit the done function as well as timeout function
	 */
	pmcraid_reinit_cmdblk(cmd);
	cmd->ioa_cb->ioarcb.request_type = REQ_TYPE_IOACMD;
	cmd->ioa_cb->ioarcb.resource_handle =
		cpu_to_le32(PMCRAID_IOA_RES_HANDLE);
	cmd->ioa_cb->ioarcb.cdb[0] = PMCRAID_IOA_SHUTDOWN;
	cmd->ioa_cb->ioarcb.cdb[1] = PMCRAID_SHUTDOWN_NORMAL;

	/* fire shutdown command to hardware. */
	pmcraid_info("firing normal shutdown command (%d) to IOA\n",
		     le32_to_cpu(cmd->ioa_cb->ioarcb.response_handle));

	pmcraid_notify_ioastate(cmd->drv_inst, PMC_DEVICE_EVENT_SHUTDOWN_START);

	pmcraid_send_cmd(cmd, pmcraid_ioa_shutdown_done,
			 PMCRAID_SHUTDOWN_TIMEOUT,
			 pmcraid_timeout_handler);
}

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.