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[3.19.y-ckt,stable] Patch "hwmon: (nct6683) Add missing sysfs attribute initialization" has been added to staging queue

Message ID 1436227851-23991-1-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa July 7, 2015, 12:10 a.m. UTC 
This is a note to let you know that I have just added a patch titled

    hwmon: (nct6683) Add missing sysfs attribute initialization

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt3.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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From 8da1097c8c45d3c6d07cb69582e2dda1d76c57a1 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Thu, 28 May 2015 09:12:23 -0700
Subject: hwmon: (nct6683) Add missing sysfs attribute initialization

commit c7bd6dc320b85445b6b36a0aff41f929210027c7 upstream.

The following error message is seen when loading the nct6683 driver
with DEBUG_LOCK_ALLOC enabled.

BUG: key ffff88040b2f0030 not in .data!
------------[ cut here ]------------
WARNING: CPU: 0 PID: 186 at kernel/locking/lockdep.c:2988
				lockdep_init_map+0x469/0x630()
DEBUG_LOCKS_WARN_ON(1)

Caused by a missing call to sysfs_attr_init() when initializing
sysfs attributes.

Reported-by: Alexey Orishko <alexey.orishko@gmail.com>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/hwmon/nct6683.c | 2 ++
 1 file changed, 2 insertions(+)

--
1.9.1
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Patch

diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c
index f3830db..37f0170 100644
--- a/drivers/hwmon/nct6683.c
+++ b/drivers/hwmon/nct6683.c
@@ -439,6 +439,7 @@  nct6683_create_attr_group(struct device *dev, struct sensor_template_group *tg,
 				 (*t)->dev_attr.attr.name, tg->base + i);
 			if ((*t)->s2) {
 				a2 = &su->u.a2;
+				sysfs_attr_init(&a2->dev_attr.attr);
 				a2->dev_attr.attr.name = su->name;
 				a2->nr = (*t)->u.s.nr + i;
 				a2->index = (*t)->u.s.index;
@@ -449,6 +450,7 @@  nct6683_create_attr_group(struct device *dev, struct sensor_template_group *tg,
 				*attrs = &a2->dev_attr.attr;
 			} else {
 				a = &su->u.a1;
+				sysfs_attr_init(&a->dev_attr.attr);
 				a->dev_attr.attr.name = su->name;
 				a->index = (*t)->u.index + i;
 				a->dev_attr.attr.mode =