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(parent: 8fe8a3f) | patch
drm/i915: Fix unsafe vma iteration in i915_drop_caches
authorChris Wilson <chris@chris-wilson.co.uk>
Wed, 3 Sep 2014 18:23:37 +0000 (19:23 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 4 Sep 2014 07:56:07 +0000 (09:56 +0200)
commit4ad72b7fadd285f849439cdbc408f8b847cef704
treeeabc1578fbc3ade244c77c19f90294991717b324tree | snapshot (tar.gz zip)
parent8fe8a3feeb5aedd17f7b09e51b60b38a6ba7005fcommit | diff
drm/i915: Fix unsafe vma iteration in i915_drop_caches

When unbinding, there is a possibility that we drop the active reference
on the object, thereby freeing it. If that happens, we may destroy the
vm link as well as the object and vma. So iterate carefully.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_debugfs.c diff | blob | blame | history