Re: [PATCH] Fix data loss in cdc-acm

[Peter Hurley]

On 10/21/2015 08:09 AM, Peter Hurley wrote:
> Be aware that while the N_TTY line discipline ensures that put_char()
> and write() usage will not be interleaved without flush_chars(), other
> line disciplines might not, so at least be sure that driver won't
> crash if that happens.

Sorry, I take that back: certain echoes are output via write() in
OPOST mode, specifically for O_ONLCR and XTABS.
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