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Commit 3e78080f authored by Mark Brown's avatar Mark Brown Committed by Guenter Roeck
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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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org #3.8+; 3.0+ will need manual backport
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent ab302bb0
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+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