Additionally use runtime check to catch invalid engine indices.
Signed-off-by: Michal Wajdeczko <michal.wajdec...@intel.com>
Cc: Jani Nikula <jani.nik...@intel.com>
---
drivers/gpu/drm/i915/intel_engine_cs.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c
b/drivers/gpu/drm/i915/intel_engine_cs.c
index a238304..8df53ae 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -89,6 +89,8 @@ intel_engine_setup(struct drm_i915_private *dev_priv,
const struct engine_info *info = &intel_engines[id];
struct intel_engine_cs *engine;
+ BUILD_BUG_ON(ARRAY_SIZE(intel_engines) != I915_NUM_ENGINES);
+ GEM_BUG_ON(id < 0 || id >= I915_NUM_ENGINES);
GEM_BUG_ON(dev_priv->engine[id]);
engine = kzalloc(sizeof(*engine), GFP_KERNEL);
if (!engine)
--
2.7.4
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