[PATCH 5.18 420/879] regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt

From: Greg Kroah-Hartman
Date: Tue Jun 07 2022 - 20:17:53 EST


From: Miaoqian Lin <linmq006@xxxxxxxxx>

[ Upstream commit afaa7b933ef00a2d3262f4d1252087613fb5c06d ]

of_node_get() returns a node with refcount incremented.
Calling of_node_put() to drop the reference when not needed anymore.

Fixes: 3784b6d64dc5 ("regulator: pfuze100: add pfuze100 regulator driver")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
Link: https://lore.kernel.org/r/20220511113506.45185-1-linmq006@xxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/regulator/pfuze100-regulator.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index d60d7d1b7fa2..aa55cfca9e40 100644
--- a/drivers/regulator/pfuze100-regulator.c
+++ b/drivers/regulator/pfuze100-regulator.c
@@ -521,6 +521,7 @@ static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
parent = of_get_child_by_name(np, "regulators");
if (!parent) {
dev_err(dev, "regulators node not found\n");
+ of_node_put(np);
return -EINVAL;
}

@@ -550,6 +551,7 @@ static int pfuze_parse_regulators_dt(struct pfuze_chip *chip)
}

of_node_put(parent);
+ of_node_put(np);
if (ret < 0) {
dev_err(dev, "Error parsing regulator init data: %d\n",
ret);
--
2.35.1