Commit 3e78080f authored Mar 02, 2013 by Mark Brown Committed by Guenter Roeck Mar 03, 2013

hwmon: (sht15) Check return value of regulator_enable()



Not having power is a pretty serious error so check that we are able to
enable the supply and error out if we can't.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org #3.8+; 3.0+ will need manual backport
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

parent ab302bb0

drivers/hwmon/sht15.c

+7 −1

Original line number	Diff line number	Diff line
		@@ -965,7 +965,13 @@ static int sht15_probe(struct platform_device *pdev)
		if (voltage)
		data->supply_uv = voltage;

		regulator_enable(data->reg);
		ret = regulator_enable(data->reg);
		if (ret != 0) {
		dev_err(&pdev->dev,
		"failed to enable regulator: %d\n", ret);
		return ret;
		}

		/*
		* Setup a notifier block to update this if another device
		* causes the voltage to change