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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-03-02 15:33:30 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2013-03-03 21:45:48 -0800 |
| commit | 3e78080f81481aa8340374d5a37ae033c1cf4272 (patch) | |
| tree | 166d853cee3d86c5022c49ba1573f8da870de0c4 /drivers/hwmon/sht15.c | |
| parent | ab302bb0b87fe01f3110c1c5d5a6fca439d27c6b (diff) | |
| download | linux-3e78080f81481aa8340374d5a37ae033c1cf4272.tar.gz linux-3e78080f81481aa8340374d5a37ae033c1cf4272.tar.bz2 linux-3e78080f81481aa8340374d5a37ae033c1cf4272.zip | |
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>
Diffstat (limited to 'drivers/hwmon/sht15.c')
| -rw-r--r-- | drivers/hwmon/sht15.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c index bfe326e896df..2507f902fb7a 100644 --- a/drivers/hwmon/sht15.c +++ b/drivers/hwmon/sht15.c @@ -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 |