diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c
index cd4e8bba82aa..50704deb2ff0 100644
--- a/drivers/cxl/mem.c
+++ b/drivers/cxl/mem.c
@@ -88,6 +88,9 @@ __mock bool cxl_dvsec_decode_init(struct cxl_dev_state *cxlds)
 	void __iomem *crb;
 	u32 global_ctrl;
 
+	if (info->ranges < 0)
+		return false;
+
 	/* map hdm decoder */
 	crb = ioremap(cxlds->component_reg_phys, CXL_COMPONENT_REG_BLOCK_SIZE);
 	if (!crb) {