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Changes between Version 1 and Version 2 of Ticket #18668, comment 15

v1	v2
32	32	if (rc == VINF_SUCCESS)
33	33	{
34		*puVal = pThis->uRegRbr;
35
36	34	/* Reset the Break bit. */
37	35	UART_REG_CLR(pThis->uRegLsr, UART_REG_LSR_BI);
…	…
44	42	if (ASMAtomicReadU32(&pThis->cbAvailRdr) > 0)
45	43	{
	44	*puVal = pThis->uRegRbr;
46	45	Assert(pThis->cbAvailRdr);
47	46	uint32_t cbAvail = ASMAtomicDecU32(&pThis->cbAvailRdr);
…	…
58	57	}
59	58	}
	59	else
	60	{
	61	/*
	62	* This voids a rare situation where the RBR record is read
	63	* and new data arrives at the same time.
	64	*/
	65	*puVal = pThis->uRegRbr;
	66	}
60	67	}
61	68	}