3.5.7.8 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
commit 3e78080f81481aa8340374d5a37ae033c1cf4272 upstream.
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@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
drivers/hwmon/sht15.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c
index 8b011d0..eb01802 100644
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -926,7 +926,13 @@ static int __devinit 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
--
1.8.1.2
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