hwmon: (nct6683) Add missing sysfs attribute initialization
authorGuenter Roeck <linux@roeck-us.net>
Thu, 28 May 2015 16:12:23 +0000 (09:12 -0700)
committerGuenter Roeck <linux@roeck-us.net>
Sat, 30 May 2015 00:47:42 +0000 (17:47 -0700)
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>
Cc: stable@vger.kernel.org # v3.18+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/nct6683.c

index f3830db02d4637675cebbe7b6b5e185492571a1e..37f01702d08195b1a9bab1f82fe88434302556b9 100644 (file)
@@ -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 =