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SubjectRe: [PATCH 1/2] Bluetooth: notify userspace of security level change
On Sun, 13 May 2012 03:20:07 -0300, Gustavo Padovan said:

> It enables the userspace a security level change when the socket is
> already connected and create a way to notify the socket the result of the
> request. At the moment of the request the socket is made non writable, if
> the request fails the connections closes, otherwise the socket is made
> writable again, POLL_OUT is emmited.

What happens to in-flight data already written but not yet consumed? I'm
smelling a possible race condition with data sent under the old level but
read under the new level....
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