diff --git a/lib/devres.c b/lib/devres.c
index 6efddf5..7c0e953 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -79,9 +79,9 @@
  */
 void devm_iounmap(struct device *dev, void __iomem *addr)
 {
-	iounmap(addr);
 	WARN_ON(devres_destroy(dev, devm_ioremap_release, devm_ioremap_match,
 			       (void *)addr));
+	iounmap(addr);
 }
 EXPORT_SYMBOL(devm_iounmap);