regulator: pfuze100: Fix refcount leak in pfuze_parse_regulators_dt

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@gmail.com>
Link: https://lore.kernel.org/r/20220511113506.45185-1-linmq006@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/regulator/pfuze100-regulator.c b/drivers/regulator/pfuze100-regulator.c
index d60d7d1..aa55cfc 100644 (file)
--- 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);