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Thermal_Framework-Fix_crash_during_hwmon_unregister 

This patch fixes the following bug:
The thermal framework creates a temp*_crit interface, only when
the get_crit_temp pointer is defined. But during the _unregister_
path, without checking for the function definition, it is trying to
remove the temp*_crit interface.

Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Durgadoss R 2011-01-20 02:40:56 +05:30 committed by Len Brown
parent dd9c1549ed
commit 4fdfbe8506
1 changed files with 2 additions and 1 deletions
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3
drivers/thermal/thermal_sys.c
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@ -560,7 +560,8 @@ thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
tz->hwmon = NULL;
device_remove_file(hwmon->device, &tz->temp_input.attr);
device_remove_file(hwmon->device, &tz->temp_crit.attr);
if (tz->ops->get_crit_temp)
device_remove_file(hwmon->device, &tz->temp_crit.attr);
mutex_lock(&thermal_list_lock);
list_del(&tz->hwmon_node);