static u8 pmcraid_task_attributes(struct scsi_cmnd *scsi_cmd)
{
	char tag[2];
	u8 rc = 0;

	if (scsi_populate_tag_msg(scsi_cmd, tag)) {
		switch (tag[0]) {
		case MSG_SIMPLE_TAG:
			rc = TASK_TAG_SIMPLE;
			break;
		case MSG_HEAD_TAG:
			rc = TASK_TAG_QUEUE_HEAD;
			break;
		case MSG_ORDERED_TAG:
			rc = TASK_TAG_ORDERED;
			break;
		};
	}

	return rc;
}

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