diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2024-08-14 17:04:07 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-08-14 18:21:44 +0100 |
| commit | ea13bd391d1b8f62ae2347bde7a174059d7f3f0d (patch) | |
| tree | 8eaa18e5ad3af5bfaa09b699366d9bed659e4852 /drivers/regulator | |
| parent | f372c262d4cfe31f0b67e8ae1a8ec9bf7c52d57b (diff) | |
regulator: max8997: Use scoped device node handling to simplify error paths
Obtain the device node reference with scoped/cleanup.h to reduce error
handling and make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240814-cleanup-h-of-node-put-regulator-v1-3-87151088b883@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
| -rw-r--r-- | drivers/regulator/max8997-regulator.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/drivers/regulator/max8997-regulator.c b/drivers/regulator/max8997-regulator.c index cdbfb4561dd8..e77621b6466c 100644 --- a/drivers/regulator/max8997-regulator.c +++ b/drivers/regulator/max8997-regulator.c @@ -8,6 +8,7 @@ // This driver is based on max8998.c #include <linux/bug.h> +#include <linux/cleanup.h> #include <linux/err.h> #include <linux/gpio/consumer.h> #include <linux/slab.h> @@ -876,7 +877,7 @@ static int max8997_pmic_dt_parse_pdata(struct platform_device *pdev, struct max8997_platform_data *pdata) { struct max8997_dev *iodev = dev_get_drvdata(pdev->dev.parent); - struct device_node *pmic_np, *regulators_np, *reg_np; + struct device_node *pmic_np, *reg_np; struct max8997_regulator_data *rdata; unsigned int i, dvs_voltage_nr = 1; @@ -886,7 +887,8 @@ static int max8997_pmic_dt_parse_pdata(struct platform_device *pdev, return -ENODEV; } - regulators_np = of_get_child_by_name(pmic_np, "regulators"); + struct device_node *regulators_np __free(device_node) = of_get_child_by_name(pmic_np, + "regulators"); if (!regulators_np) { dev_err(&pdev->dev, "could not find regulators sub-node\n"); return -EINVAL; @@ -898,10 +900,8 @@ static int max8997_pmic_dt_parse_pdata(struct platform_device *pdev, rdata = devm_kcalloc(&pdev->dev, pdata->num_regulators, sizeof(*rdata), GFP_KERNEL); - if (!rdata) { - of_node_put(regulators_np); + if (!rdata) return -ENOMEM; - } pdata->regulators = rdata; for_each_child_of_node(regulators_np, reg_np) { @@ -922,7 +922,6 @@ static int max8997_pmic_dt_parse_pdata(struct platform_device *pdev, rdata->reg_node = reg_np; rdata++; } - of_node_put(regulators_np); pdata->buck1_gpiodvs = of_property_read_bool(pmic_np, "max8997,pmic-buck1-uses-gpio-dvs"); pdata->buck2_gpiodvs = of_property_read_bool(pmic_np, "max8997,pmic-buck2-uses-gpio-dvs"); |