This is a note to let you know that I've just added the patch titled
hwmon: (iio_hwmon) fix memory leak in name attribute
to the 4.4-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-iio_hwmon-fix-memory-leak-in-name-attribute.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5d17d3b4bbf3becb89fd48b74340a50a39736f6d Mon Sep 17 00:00:00 2001
From: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx>
Date: Tue, 26 Jul 2016 09:47:09 +0200
Subject: hwmon: (iio_hwmon) fix memory leak in name attribute
From: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx>
commit 5d17d3b4bbf3becb89fd48b74340a50a39736f6d upstream.
The "name" variable's memory is now freed when the device is destructed
thanks to devm function.
Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxx>
Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Fixes: e0f8a24e0edfd ("staging:iio::hwmon interface client driver.")
Fixes: 61bb53bcbdd86 ("hwmon: (iio_hwmon) Add support for humidity sensors")
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/iio_hwmon.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
--- a/drivers/hwmon/iio_hwmon.c
+++ b/drivers/hwmon/iio_hwmon.c
@@ -109,24 +109,24 @@ static int iio_hwmon_probe(struct platfo
switch (type) {
case IIO_VOLTAGE:
- a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
- "in%d_input",
- in_i++);
+ a->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL,
+ "in%d_input",
+ in_i++);
break;
case IIO_TEMP:
- a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
- "temp%d_input",
- temp_i++);
+ a->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL,
+ "temp%d_input",
+ temp_i++);
break;
case IIO_CURRENT:
- a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
- "curr%d_input",
- curr_i++);
+ a->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL,
+ "curr%d_input",
+ curr_i++);
break;
case IIO_HUMIDITYRELATIVE:
- a->dev_attr.attr.name = kasprintf(GFP_KERNEL,
- "humidity%d_input",
- humidity_i++);
+ a->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL,
+ "humidity%d_input",
+ humidity_i++);
break;
default:
ret = -EINVAL;
Patches currently in stable-queue which might be from quentin.schulz@xxxxxxxxxxxxxxxxxx are
queue-4.4/hwmon-iio_hwmon-fix-memory-leak-in-name-attribute.patch
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