diff options
Diffstat (limited to 'drivers/regulator/mc13xxx-regulator-core.c')
| -rw-r--r-- | drivers/regulator/mc13xxx-regulator-core.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c index 2ecf1d8b6a94..23cf9f9c383b 100644 --- a/drivers/regulator/mc13xxx-regulator-core.c +++ b/drivers/regulator/mc13xxx-regulator-core.c @@ -164,17 +164,16 @@ EXPORT_SYMBOL_GPL(mc13xxx_fixed_regulator_ops); #ifdef CONFIG_OF int mc13xxx_get_num_regulators_dt(struct platform_device *pdev) { - struct device_node *parent, *child; - int num = 0; + struct device_node *parent; + int num; of_node_get(pdev->dev.parent->of_node); parent = of_find_node_by_name(pdev->dev.parent->of_node, "regulators"); if (!parent) return -ENODEV; - for_each_child_of_node(parent, child) - num++; - + num = of_get_child_count(parent); + of_node_put(parent); return num; } EXPORT_SYMBOL_GPL(mc13xxx_get_num_regulators_dt); @@ -197,8 +196,11 @@ struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( data = devm_kzalloc(&pdev->dev, sizeof(*data) * priv->num_regulators, GFP_KERNEL); - if (!data) + if (!data) { + of_node_put(parent); return NULL; + } + p = data; for_each_child_of_node(parent, child) { @@ -217,6 +219,7 @@ struct mc13xxx_regulator_init_data *mc13xxx_parse_regulators_dt( } } } + of_node_put(parent); *num_parsed = parsed; return data; |