[v2] serial: 8250_mid: fix race condition between output flush and termios update

[PATCH v2 0/2] serial: 8250_mid: fix race condition between output flush and termios update

Tate Whiteberg posted 2 patches 4 weeks, 1 day ago

Diff against v3
Download series mbox

There is a newer version of this series

drivers/tty/serial/8250/8250.h      |  1 +
drivers/tty/serial/8250/8250_mid.c  |  7 +++++++
drivers/tty/serial/8250/8250_port.c | 13 +++++++------
3 files changed, 15 insertions(+), 6 deletions(-)

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[PATCH v2 0/2] serial: 8250_mid: fix race condition between output flush and termios update

Posted by Tate Whiteberg 4 weeks, 1 day ago

Fix a race condition in which setting termios while still transmitting
can corrupt transmission.

Changes in v2:
  Split original patch into two: a prerequisite to to expose
  wait_for_xmitr() and a successor to fix the bug. 

Tate Whiteberg (2):
  serial: 8250: export and rename wait_for_xmitr()
  serial: 8250_mid: wait for LSR tx empty before setting termios

 drivers/tty/serial/8250/8250.h      |  1 +
 drivers/tty/serial/8250/8250_mid.c  |  7 +++++++
 drivers/tty/serial/8250/8250_port.c | 13 +++++++------
 3 files changed, 15 insertions(+), 6 deletions(-)

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2.43.0