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hwmon: (iio_hwmon) fix memory leak in name attribute

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The "name" variable's memory is now freed when the device is destructed
thanks to devm function.

Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Reported-by: Guenter Roeck <linux@roeck-us.net>
Fixes: e0f8a24e0e ("staging:iio::hwmon interface client driver.")
Fixes: 61bb53bcbd ("hwmon: (iio_hwmon) Add support for humidity sensors")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Quentin Schulz 2016-07-26 09:47:09 +02:00 committed by Guenter Roeck
parent 4c8702b3cd
commit 5d17d3b4bb
1 changed files with 12 additions and 12 deletions
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24
drivers/hwmon/iio_hwmon.c
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@ -110,24 +110,24 @@ static int iio_hwmon_probe(struct platform_device *pdev)
switch (type) {
case IIO_VOLTAGE:
a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
"in%d_input",
in_i++);
a->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL,
"in%d_input",
in_i++);
break;
case IIO_TEMP:
a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
"temp%d_input",
temp_i++);
a->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL,
"temp%d_input",
temp_i++);
break;
case IIO_CURRENT:
a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
"curr%d_input",
curr_i++);
a->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL,
"curr%d_input",
curr_i++);
break;
case IIO_HUMIDITYRELATIVE:
a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
"humidity%d_input",
humidity_i++);
a->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL,
"humidity%d_input",
humidity_i++);
break;
default:
ret = -EINVAL;