On 08/05/2015 02:57 AM, Punit Agrawal wrote:
thermal_zone_of_sensor_register is documented as returning a pointer
to either a valid thermal_zone_device on success, or a corresponding
ERR_PTR() value.

In contrast, the function returns NULL when THERMAL_OF is configured
off. Fix this.

Signed-off-by: Punit Agrawal <punit.agra...@arm.com>
Cc: Guenter Roeck <li...@roeck-us.net>
Cc: Eduardo Valentin <edubez...@gmail.com>
Cc: Zhang Rui <rui.zh...@intel.com>

Acked-by: Guenter Roeck <li...@roeck-us.net>

---
Hi Guenter,

It was pointed out that ENOSYS is frowned upon for anything other than
indicating lack of support for a syscall. The rest of the functions in
the file use ENODEV. Updating thermal_zone_of_sensor_register to do
the same.

Could you please re-ack if you're ok with this change?

Thanks,
Punit

  include/linux/thermal.h | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 037e9df..f344e51 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -364,7 +364,7 @@ static inline struct thermal_zone_device *
  thermal_zone_of_sensor_register(struct device *dev, int id, void *data,
                                const struct thermal_zone_of_device_ops *ops)
  {
-       return NULL;
+       return ERR_PTR(-ENODEV);
  }

  static inline


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