drm/i915: Be defensive when cleaning up i915_gem_internal pages

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If we abort the i915_gem_internal get_pages, we mark the failing sg as
the last. However, that means we iterate upto and including the failing
sg element and results in us trying to free the unallocated sg_page().

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170131104630.3074-1-chris@chris-wilson.co.uk
Reviewed-by: Matthew Auld <matthew.auld@intel.com>

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Chris Wilson 2017-01-31 10:46:30 +00:00

parent 9b51b105f2

commit 4703b0472e

1 changed files with 5 additions and 2 deletions

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drivers/gpu/drm/i915/i915_gem_internal.c

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