The patch below does not apply to the 3.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From ad774702f1705c04e5fa492b793d8d477a504fa6 Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Date: Thu, 12 Mar 2015 08:43:59 +0100
Subject: [PATCH] compal-laptop: Fix leaking hwmon device
The commit c2be45f09bb0 ("compal-laptop: Use
devm_hwmon_device_register_with_groups") wanted to change the
registering of hwmon device to resource-managed version. It mostly did
it except the main thing - it forgot to use devm-like function so the
hwmon device leaked after device removal or probe failure.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Fixes: c2be45f09bb0 ("compal-laptop: Use devm_hwmon_device_register_with_groups")
Cc: <stable@xxxxxxxxxxxxxxx>
Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Acked-by: Darren Hart <dvhart@xxxxxxxxxxxxxxx>
Signed-off-by: Sebastian Reichel <sre@xxxxxxxxxx>
diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index 15c0fab2bfa1..eb9885e7fb0e 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -1026,9 +1026,9 @@ static int compal_probe(struct platform_device *pdev)
if (err)
return err;
- hwmon_dev = hwmon_device_register_with_groups(&pdev->dev,
- "compal", data,
- compal_hwmon_groups);
+ hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev,
+ "compal", data,
+ compal_hwmon_groups);
if (IS_ERR(hwmon_dev)) {
err = PTR_ERR(hwmon_dev);
goto remove;
--
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