hwmon: (ads7871) Convert to use devm_ functions
Convert to use devm_ functions to reduce code size and simplify the code. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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@ -198,20 +198,17 @@ static int __devinit ads7871_probe(struct spi_device *spi)
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* because there is no other error checking on an SPI bus
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* we need to make sure we really have a chip
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*/
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if (val != ret) {
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err = -ENODEV;
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goto exit;
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}
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if (val != ret)
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return -ENODEV;
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pdata = kzalloc(sizeof(struct ads7871_data), GFP_KERNEL);
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if (!pdata) {
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err = -ENOMEM;
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goto exit;
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}
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pdata = devm_kzalloc(&spi->dev, sizeof(struct ads7871_data),
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GFP_KERNEL);
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if (!pdata)
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return -ENOMEM;
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err = sysfs_create_group(&spi->dev.kobj, &ads7871_group);
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if (err < 0)
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goto error_free;
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return err;
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spi_set_drvdata(spi, pdata);
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@ -225,9 +222,6 @@ static int __devinit ads7871_probe(struct spi_device *spi)
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error_remove:
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sysfs_remove_group(&spi->dev.kobj, &ads7871_group);
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error_free:
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kfree(pdata);
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exit:
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return err;
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}
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@ -237,7 +231,6 @@ static int __devexit ads7871_remove(struct spi_device *spi)
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hwmon_device_unregister(pdata->hwmon_dev);
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sysfs_remove_group(&spi->dev.kobj, &ads7871_group);
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kfree(pdata);
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return 0;
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}
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