Paul Kocialkowski authored Sep 29, 2022 and Marius Vlad committed Nov 21, 2022

This adds a destroy listener on the SHM buffer provided by our client.
It will unregister the frame notify listener in case our buffer is
destroyed before the frame signal is emitted and thus avoid a memcpy
to invalid memory.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
(cherry picked from commit 0afd3428)