This is a note to let you know that I've just added the patch titled
hwmon: (sht15) Check return value of regulator_enable()
to the 3.0-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
hwmon-sht15-check-return-value-of-regulator_enable.patch
and it can be found in the queue-3.0 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 3e78080f81481aa8340374d5a37ae033c1cf4272 Mon Sep 17 00:00:00 2001
From: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 2 Mar 2013 15:33:30 +0800
Subject: hwmon: (sht15) Check return value of regulator_enable()
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>
---
drivers/hwmon/sht15.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
--- a/drivers/hwmon/sht15.c
+++ b/drivers/hwmon/sht15.c
@@ -926,7 +926,13 @@ static int __devinit sht15_probe(struct
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
Patches currently in stable-queue which might be from broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx are
queue-3.0/hwmon-sht15-check-return-value-of-regulator_enable.patch
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