drm/i915: Reset vma->mm_list after unbinding

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In place of true activity counting, we walk the list of vma associated
with an object managing each on the vm's active/inactive list everytime
we call move-to-inactive. This depends upon the vma->mm_list being
cleared after unbinding, or else we run into difficulty when tracking
the object in multiple vm's - we see a use-after free and corruption of
the mm_list.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Chris Wilson 2014-02-25 14:23:28 +00:00 • committed by Daniel Vetter

parent 6fe7286530

commit 64bf930379

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/i915/i915_gem.c

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