drm/nouveau/core: Allow asymmetric nouveau_event_get/_put

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Most nouveau event handlers have storage in 'static' containers
(structures with lifetimes nearly equivalent to the drm_device),
but are dangerously reused via nouveau_event_get/_put. For
example, if nouveau_event_get is called more than once for a
given handler, the event handler list will be corrupted.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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Peter Hurley 2013-08-27 16:12:57 -04:00 • committed by Ben Skeggs

parent 019255797d

commit ac51bb0983

3 changed files with 18 additions and 14 deletions

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20

drivers/gpu/drm/nouveau/core/core/event.c

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4

drivers/gpu/drm/nouveau/core/include/core/event.h

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8

drivers/gpu/drm/nouveau/nouveau_drm.c

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