diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c
index 49a99a84b6aa6..87da8c935185a 100644
--- a/drivers/cxl/core/pci.c
+++ b/drivers/cxl/core/pci.c
@@ -510,7 +510,7 @@ static int cxl_cdat_get_length(struct device *dev,
 		return rc;
 	}
 	wait_for_completion(&t.c);
-	if (t.task.rv < sizeof(__le32))
+	if (t.task.rv < 2 * sizeof(__le32))
 		return -EIO;
 
 	*length = le32_to_cpu(t.response_pl[1]);