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Commit 33fd2b84 authored by Guenter Roeck's avatar Guenter Roeck
Browse files

hwmon: (ads7871) Convert to use devm_ functions 



Convert to use devm_ functions to reduce code size and simplify the code.

Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 34e3f7f5

drivers/hwmon/ads7871.c

+7 −14
Original line number Diff line number Diff line
@@ -198,20 +198,17 @@ static int __devinit ads7871_probe(struct spi_device *spi) 
	 * because there is no other error checking on an SPI bus

	 * we need to make sure we really have a chip

	 */

	if (val != ret) {

		err = -ENODEV;

		goto exit;

	}

	if (val != ret)

		return -ENODEV;



	pdata = kzalloc(sizeof(struct ads7871_data), GFP_KERNEL);

	if (!pdata) {

		err = -ENOMEM;

		goto exit;

	}

	pdata = devm_kzalloc(&spi->dev, sizeof(struct ads7871_data),

			     GFP_KERNEL);

	if (!pdata)

		return -ENOMEM;



	err = sysfs_create_group(&spi->dev.kobj, &ads7871_group);

	if (err < 0)

		goto error_free;

		return err;



	spi_set_drvdata(spi, pdata);
@@ -225,9 +222,6 @@ static int __devinit ads7871_probe(struct spi_device *spi) 


error_remove:

	sysfs_remove_group(&spi->dev.kobj, &ads7871_group);

error_free:

	kfree(pdata);

exit:

	return err;

}
@@ -237,7 +231,6 @@ static int __devexit ads7871_remove(struct spi_device *spi) 


	hwmon_device_unregister(pdata->hwmon_dev);

	sysfs_remove_group(&spi->dev.kobj, &ads7871_group);

	kfree(pdata);

	return 0;

}