hwmon: (nct6775) Add missing sysfs attibute initialization
Guenter Roeck
maintainerPATCH 1/2 hwmon: (nct6775) Add missing sysfs attibute initialization
The following error message is seen when loading the nct6775 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.
--- drivers/hwmon/nct6775.c | 2 ++ 1 file changed, 2 insertions(+)
drivers/hwmon/nct6775.c +2 -0
@@ -995,6 +995,7 @@ nct6775_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;
@@ -1005,6 +1006,7 @@ nct6775_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 --
2.1.0
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Quoted 31 lines · Guenter Roeck
The following error message is seen when loading the nct6775 driver with
DEBUG_LOCK_ALLOCenabled.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 <[email protected]>Signed-off-by Guenter Roeck <[email protected]>--- drivers/hwmon/nct6775.c | 2 ++ 1 file changed, 2 insertions(+)drivers/hwmon/nct6775.c +1
-0@@ -995,6 +995,7 @@ nct6775_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;
drivers/hwmon/nct6775.c nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, · line 1012
Quoted 7 lines
drivers/hwmon/nct6775.c +1
-0@@ -1005,6 +1006,7 @@ nct6775_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
Signature · 7 lines
Jean Delvare SUSE L3 Support _______________________________________________ lm-sensors mailing list [email protected] http://lists.lm-sensors.org/mailman/listinfo/lm-sensors
Quoted 32 lines · Jean Delvare
Quoted 31 lines · Guenter Roeck
The following error message is seen when loading the nct6775 driver with
DEBUG_LOCK_ALLOCenabled.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 <[email protected]>Signed-off-by Guenter Roeck <[email protected]>--- drivers/hwmon/nct6775.c | 2 ++ 1 file changed, 2 insertions(+)drivers/hwmon/nct6775.c +1
-0@@ -995,6 +995,7 @@ nct6775_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;@@ -1005,6 +1006,7 @@ nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg,
Quoted 8 lines
drivers/hwmon/nct6775.c nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg,
Quoted 7 lines
drivers/hwmon/nct6775.c +1
-0*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 >Reviewed-by Jean Delvare <[email protected]>
Tested on ASRock E3C222D4U motherboard with kernel 4.0.3; reported problem is fixed.
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Guenter Roeck
maintainerQuoted 16 lines · Alexey Orishko
Quoted 15 lines · Jean Delvare
Quoted 14 lines · Guenter Roeck
The following error message is seen when loading the nct6775 driver with
DEBUG_LOCK_ALLOCenabled.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 <[email protected]>Signed-off-by Guenter Roeck <[email protected]>
[ ... ]
Quoted 7 lines
Quoted 2 lines
Reviewed-by Jean Delvare <[email protected]>Tested on ASRock E3C222D4U motherboard with kernel 4.0.3; reported problem is fixed.
Tested-by Alexey Orishko <[email protected]>
Hi Alexey,
Great, thanks a lot for testing!
The fix is already available in mainline, and should eventually find its way into 4.0.x.
Guenter
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