drm/i915: Grab dev->struct_mutex in i915_gem_pageflip_info

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We could walk of a bad list otherwise when someone concurrently
unbinds stuff for fun.

I've suspected this as the root-cause behind seemingly inconsistent
state, but alas it's not.

Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Daniel Vetter 2014-06-17 22:34:37 +02:00

parent c9224faa59

commit 8a270ebf34

1 changed files with 7 additions and 0 deletions

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drivers/gpu/drm/i915/i915_debugfs.c

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