static void pmcraid_tasklet_function(unsigned long instance)
{
	struct pmcraid_isr_param *hrrq_vector;
	struct pmcraid_instance *pinstance;
	unsigned long hrrq_lock_flags;
	unsigned long pending_lock_flags;
	unsigned long host_lock_flags;
	spinlock_t *lockp; /* hrrq buffer lock */
	int id;
	__le32 resp;

	hrrq_vector = (struct pmcraid_isr_param *)instance;
	pinstance = hrrq_vector->drv_inst;
	id = hrrq_vector->hrrq_id;
	lockp = &(pinstance->hrrq_lock[id]);

	/* loop through each of the commands responded by IOA. Each HRRQ buf is
	 * protected by its own lock. Traversals must be done within this lock
	 * as there may be multiple tasklets running on multiple CPUs. Note
	 * that the lock is held just for picking up the response handle and
	 * manipulating hrrq_curr/toggle_bit values.
	 */
	spin_lock_irqsave(lockp, hrrq_lock_flags);

	resp = le32_to_cpu(*(pinstance->hrrq_curr[id]));

	while ((resp & HRRQ_TOGGLE_BIT) ==
		pinstance->host_toggle_bit[id]) {

		int cmd_index = resp >> 2;
		struct pmcraid_cmd *cmd = NULL;

		if (pinstance->hrrq_curr[id] < pinstance->hrrq_end[id]) {
			pinstance->hrrq_curr[id]++;
		} else {
			pinstance->hrrq_curr[id] = pinstance->hrrq_start[id];
			pinstance->host_toggle_bit[id] ^= 1u;
		}

		if (cmd_index >= PMCRAID_MAX_CMD) {
			/* In case of invalid response handle, log message */
			pmcraid_err("Invalid response handle %d\n", cmd_index);
			resp = le32_to_cpu(*(pinstance->hrrq_curr[id]));
			continue;
		}

		cmd = pinstance->cmd_list[cmd_index];
		spin_unlock_irqrestore(lockp, hrrq_lock_flags);

		spin_lock_irqsave(&pinstance->pending_pool_lock,
				   pending_lock_flags);
		list_del(&cmd->free_list);
		spin_unlock_irqrestore(&pinstance->pending_pool_lock,
					pending_lock_flags);
		del_timer(&cmd->timer);
		atomic_dec(&pinstance->outstanding_cmds);

		if (cmd->cmd_done == pmcraid_ioa_reset) {
			spin_lock_irqsave(pinstance->host->host_lock,
					  host_lock_flags);
			cmd->cmd_done(cmd);
			spin_unlock_irqrestore(pinstance->host->host_lock,
					       host_lock_flags);
		} else if (cmd->cmd_done != NULL) {
			cmd->cmd_done(cmd);
		}
		/* loop over until we are done with all responses */
		spin_lock_irqsave(lockp, hrrq_lock_flags);
		resp = le32_to_cpu(*(pinstance->hrrq_curr[id]));
	}

	spin_unlock_irqrestore(lockp, hrrq_lock_flags);
}

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