Re: [PATCH] new tty buffering access fix

From: Alan Cox
Date: Wed Jan 11 2006 - 19:33:00 EST


On Mer, 2006-01-11 at 16:08 -0800, Andrew Morton wrote:
> Paul Fulghum <paulkf@xxxxxxxxxxxxx> wrote:
> >
> > Fix typos in new tty buffering that incorrectly
> > access and update buffers in pending queue.
>
> Curious. How did this manage to sneak through without anyone noticing?
> Does tty_buffer_request_room() mostly work, or do only rarely-used drivers
> use it, or what?

Bit of both. It works unless you use request_room _and_ queue buffers
very fast. Most drivers do neither some do one only, but fortunately
Paul did both

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