drm/i915/gem: Check for a closed context when looking up an engine

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Beware that the context may already be closed as we try to lookup an
engine.

Closes: https://gitlab.freedesktop.org/drm/intel/issues/1389
Fixes: 130a95e909 ("drm/i915/gem: Consolidate ctx->engines[] release")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200316161447.18410-1-chris@chris-wilson.co.uk

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Chris Wilson 2020-03-16 16:14:47 +00:00

parent 220a6704ff

commit a22f347834

1 changed files with 6 additions and 2 deletions

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8

drivers/gpu/drm/i915/gem/i915_gem_context.h

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