This code needs to call iounmap() on one error path.
Fixes: 2173fc7cb681 ("ARM: shmobile: R-Mobile: Add DT support for PM domains")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: The v1 patch potentially led to a use after free.
drivers/soc/renesas/rmobile-sysc.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/soc/renesas/rmobile-sysc.c b/drivers/soc/renesas/rmobile-sysc.c
index 54b616ad4a62..beb1c7211c3d 100644
--- a/drivers/soc/renesas/rmobile-sysc.c
+++ b/drivers/soc/renesas/rmobile-sysc.c
@@ -327,6 +327,7 @@ 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;
}
--
2.28.0
