thermal: Fix for setting the thermal zone mode to enable/disable

Basically without this patch changing the mode of thermal zone
is not possible as wrong string size is passed to strncmp.

Signed-off-by: Amit Daniel Kachhap <amit.kachhap@linaro.org>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index fab970d9e3e1..022bacb71a7e 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -150,9 +150,9 @@ mode_store(struct device *dev, struct device_attribute *attr,
         if (!tz->ops->set_mode)
                 return -EPERM;
 
-        if (!strncmp(buf, "enabled", sizeof("enabled")))
+        if (!strncmp(buf, "enabled", sizeof("enabled") - 1))
                 result = tz->ops->set_mode(tz, THERMAL_DEVICE_ENABLED);
-        else if (!strncmp(buf, "disabled", sizeof("disabled")))
+        else if (!strncmp(buf, "disabled", sizeof("disabled") - 1))
                 result = tz->ops->set_mode(tz, THERMAL_DEVICE_DISABLED);
         else
                 result = -EINVAL;