n_tty: Fix throttle for canon lines > 3967 chars

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The tty driver will be mistakenly throttled if a line termination
has not been received, and the line exceeds 3967 chars. Thus, it is
possible for the driver to stop sending when it has not yet sent
the newline. This does not apply to the pty driver.

Don't throttle until at least one line termination has been
received.

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

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Peter Hurley 2015-01-16 15:05:35 -05:00 • committed by Greg Kroah-Hartman

parent 2c5dc4641c

commit a342846f9b

1 changed files with 5 additions and 0 deletions

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drivers/tty/n_tty.c

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