diff options
| -rw-r--r-- | drivers/iio/frequency/admfm2000.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/iio/frequency/admfm2000.c b/drivers/iio/frequency/admfm2000.c index c34d79e55a7c..b2263b9afeda 100644 --- a/drivers/iio/frequency/admfm2000.c +++ b/drivers/iio/frequency/admfm2000.c @@ -160,26 +160,21 @@ static int admfm2000_channel_config(struct admfm2000_state *st, { struct platform_device *pdev = to_platform_device(indio_dev->dev.parent); struct device *dev = &pdev->dev; - struct fwnode_handle *child; struct gpio_desc **dsa; struct gpio_desc **sw; int ret, i; bool mode; u32 reg; - device_for_each_child_node(dev, child) { + device_for_each_child_node_scoped(dev, child) { ret = fwnode_property_read_u32(child, "reg", ®); - if (ret) { - fwnode_handle_put(child); + if (ret) return dev_err_probe(dev, ret, "Failed to get reg property\n"); - } - if (reg >= indio_dev->num_channels) { - fwnode_handle_put(child); + if (reg >= indio_dev->num_channels) return dev_err_probe(dev, -EINVAL, "reg bigger than: %d\n", indio_dev->num_channels); - } if (fwnode_property_present(child, "adi,mixer-mode")) mode = ADMFM2000_MIXER_MODE; @@ -196,36 +191,29 @@ static int admfm2000_channel_config(struct admfm2000_state *st, dsa = st->dsa2_gpios; break; default: - fwnode_handle_put(child); return -EINVAL; } for (i = 0; i < ADMFM2000_MODE_GPIOS; i++) { sw[i] = devm_fwnode_gpiod_get_index(dev, child, "switch", i, GPIOD_OUT_LOW, NULL); - if (IS_ERR(sw[i])) { - fwnode_handle_put(child); + if (IS_ERR(sw[i])) return dev_err_probe(dev, PTR_ERR(sw[i]), "Failed to get gpios\n"); - } } for (i = 0; i < ADMFM2000_DSA_GPIOS; i++) { dsa[i] = devm_fwnode_gpiod_get_index(dev, child, "attenuation", i, GPIOD_OUT_LOW, NULL); - if (IS_ERR(dsa[i])) { - fwnode_handle_put(child); + if (IS_ERR(dsa[i])) return dev_err_probe(dev, PTR_ERR(dsa[i]), "Failed to get gpios\n"); - } } ret = admfm2000_mode(indio_dev, reg, mode); - if (ret) { - fwnode_handle_put(child); + if (ret) return ret; - } } return 0; |