static struct pmcraid_cmd *pmcraid_abort_cmd(struct pmcraid_cmd *cmd)
{
	struct pmcraid_cmd *cancel_cmd;
	struct pmcraid_instance *pinstance;
	struct pmcraid_resource_entry *res;

	pinstance = (struct pmcraid_instance *)cmd->drv_inst;
	res = cmd->scsi_cmd->device->hostdata;

	cancel_cmd = pmcraid_get_free_cmd(pinstance);

	if (cancel_cmd == NULL) {
		pmcraid_err("%s: no cmd blocks are available\n", __func__);
		return NULL;
	}

	pmcraid_prepare_cancel_cmd(cancel_cmd, cmd);

	pmcraid_info("aborting command CDB[0]= %x with index = %d\n",
		cmd->ioa_cb->ioarcb.cdb[0],
		cmd->ioa_cb->ioarcb.response_handle >> 2);

	init_completion(&cancel_cmd->wait_for_completion);
	cancel_cmd->completion_req = 1;

	pmcraid_info("command (%d) CDB[0] = %x for %x\n",
		le32_to_cpu(cancel_cmd->ioa_cb->ioarcb.response_handle) >> 2,
		cancel_cmd->ioa_cb->ioarcb.cdb[0],
		le32_to_cpu(cancel_cmd->ioa_cb->ioarcb.resource_handle));

	pmcraid_send_cmd(cancel_cmd,
			 pmcraid_internal_done,
			 PMCRAID_INTERNAL_TIMEOUT,
			 pmcraid_timeout_handler);
	return cancel_cmd;
}

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