drm/i915: Propagate error from flushing the ring
... in order to avoid a BUG() and potential unbounded waits.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4552600..3e78314 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1086,10 +1086,10 @@
struct drm_file *file_priv);
void i915_gem_load(struct drm_device *dev);
int i915_gem_init_object(struct drm_gem_object *obj);
-void i915_gem_flush_ring(struct drm_device *dev,
- struct intel_ring_buffer *ring,
- uint32_t invalidate_domains,
- uint32_t flush_domains);
+int __must_check i915_gem_flush_ring(struct drm_device *dev,
+ struct intel_ring_buffer *ring,
+ uint32_t invalidate_domains,
+ uint32_t flush_domains);
struct drm_i915_gem_object *i915_gem_alloc_object(struct drm_device *dev,
size_t size);
void i915_gem_free_object(struct drm_gem_object *obj);