serial: 8250: Fix lost rx state

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When max_count is reached, the rx loop exits. However, UART_LSR has
already been read so those char flags are lost, and subsequent rx
status will be for the wrong byte until the rx fifo drains.

Reported-by: George Spelvin <linux@horizon.com>
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Peter Hurley 2016-01-10 14:39:32 -08:00 • committed by Greg Kroah-Hartman

parent 3f6b3ce071

commit d22f8f1068

1 changed files with 4 additions and 3 deletions

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drivers/tty/serial/8250/8250_port.c

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