diff --git a/arch/arm/mach-shmobile/pm-rmobile.c b/arch/arm/mach-shmobile/pm-rmobile.c
index e348bcfe389d..cb8b02a1abe2 100644
--- a/arch/arm/mach-shmobile/pm-rmobile.c
+++ b/arch/arm/mach-shmobile/pm-rmobile.c
@@ -330,6 +330,7 @@ static int __init rmobile_init_pm_domains(void)
 
 		pmd = of_get_child_by_name(np, "pm-domains");
 		if (!pmd) {
+			iounmap(base);
 			pr_warn("%pOF lacks pm-domains node\n", np);
 			continue;
 		}