Each iteration of for_each_child_of_node puts the previous node, but in
the case of a return from the middle of the loop, there is no put, thus
causing a memory leak. Hence add an of_node_put before the return in
three places.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@xxxxxxxxx>
---
drivers/pinctrl/pinctrl-rzn1.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-rzn1.c b/drivers/pinctrl/pinctrl-rzn1.c
index cc0e5aa9128a..0f6f8a10a53a 100644
--- a/drivers/pinctrl/pinctrl-rzn1.c
+++ b/drivers/pinctrl/pinctrl-rzn1.c
@@ -412,8 +412,10 @@ static int rzn1_dt_node_to_map(struct pinctrl_dev *pctldev,
for_each_child_of_node(np, child) {
ret = rzn1_dt_node_to_map_one(pctldev, child, map, num_maps);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(child);
return ret;
+ }
}
return 0;
@@ -792,8 +794,10 @@ static int rzn1_pinctrl_parse_functions(struct device_node *np,
grp = &ipctl->groups[ipctl->ngroups];
grp->func = func->name;
ret = rzn1_pinctrl_parse_groups(child, grp, ipctl);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(child);
return ret;
+ }
i++;
ipctl->ngroups++;
}
@@ -838,8 +842,10 @@ static int rzn1_pinctrl_probe_dt(struct platform_device *pdev,
for_each_child_of_node(np, child) {
ret = rzn1_pinctrl_parse_functions(child, ipctl, i++);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(child);
return ret;
+ }
}
return 0;
--
2.19.1
