diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c
index 3e1f86d0c6cc..77d8b3d483ca 100644
--- a/drivers/gpu/drm/i915/intel_csr.c
+++ b/drivers/gpu/drm/i915/intel_csr.c
@@ -198,6 +198,7 @@ intel_get_stepping_info(struct drm_i915_private *dev_priv)
 		si = bxt_stepping_info;
 	} else {
 		size = 0;
+		si = NULL;
 	}
 
 	if (INTEL_REVID(dev_priv) < size)