diff --git a/bufferinfo/legacy/BufferInfoLibdrm.h b/bufferinfo/legacy/BufferInfoLibdrm.h
index 4d37d00..cad8add 100644
--- a/bufferinfo/legacy/BufferInfoLibdrm.h
+++ b/bufferinfo/legacy/BufferInfoLibdrm.h
@@ -27,6 +27,7 @@
  public:
   using LegacyBufferInfoGetter::LegacyBufferInfoGetter;
   int ConvertBoInfo(buffer_handle_t handle, hwc_drm_bo_t *bo) override;
+  int ValidateGralloc() override;
 
  private:
   bool GetYuvPlaneInfo(int num_fds, buffer_handle_t handle, hwc_drm_bo_t *bo);