John Keeping 367a281315 serial: 8250_dma: terminate correct DMA in tx_dma_flush() ...

commit a26503092c upstream.

When flushing transmit side DMA, it is the transmit channel that should
be terminated, not the receive channel.

Fixes: 9e512eaaf8 ("serial: 8250: Fix fifo underflow on flush")
Cc: stable <stable@kernel.org>
Reported-by: Wentao Guan <guanwentao@uniontech.com>
Signed-off-by: John Keeping <jkeeping@inmusicbrands.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250224121831.1429323-1-jkeeping@inmusicbrands.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2025-04-07 10:06:37 +02:00

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hvc

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ipwireless

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serdev

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serial

serial: 8250_dma: terminate correct DMA in tx_dma_flush()

2025-04-07 10:06:37 +02:00

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amiserial.c

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ehv_bytechan.c

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goldfish.c

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Kconfig

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Makefile

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mips_ejtag_fdc.c

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moxa.c

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mxser.c

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n_gsm.c

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n_hdlc.c

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n_null.c

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n_tty.c

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nozomi.c

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pty.c

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rpmsg_tty.c

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synclink_gt.c

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sysrq.c

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tty_audit.c

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tty_baudrate.c

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tty_buffer.c

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tty_io.c

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tty_ioctl.c

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tty_jobctrl.c

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tty_ldisc.c

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tty_ldsem.c

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tty_mutex.c

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tty_port.c

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tty.h

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ttynull.c

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vcc.c

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