drm/i915: Reset vma->mm_list after unbinding

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 <[email protected]>
Cc: Ben Widawsky <[email protected]>
Reviewed-by: Ben Widawsky <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>

0 files changed, 0 insertions, 0 deletions