From abf95727ff58e731a75286af2cbb6b1bb79d64bf Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Tue, 26 Jul 2011 20:14:36 +1000 Subject: [PATCH] We'll soon need to reuse it. Signed-off-by: Jean Delvare Cc: Rene Herman Cc: Len Brown Acked-by: Guenter Roeck Signed-off-by: Andrew Morton --- drivers/thermal/thermal_sys.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c index 0b1c82ad6805..b6353d61fac5 100644 --- a/drivers/thermal/thermal_sys.c +++ b/drivers/thermal/thermal_sys.c @@ -469,22 +469,35 @@ temp_crit_show(struct device *dev, struct device_attribute *attr, } -static int -thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) +static struct thermal_hwmon_device * +thermal_hwmon_lookup_by_type(const struct thermal_zone_device *tz) { struct thermal_hwmon_device *hwmon; - int new_hwmon_device = 1; - int result; mutex_lock(&thermal_list_lock); list_for_each_entry(hwmon, &thermal_hwmon_list, node) if (!strcmp(hwmon->type, tz->type)) { - new_hwmon_device = 0; mutex_unlock(&thermal_list_lock); - goto register_sys_interface; + return hwmon; } mutex_unlock(&thermal_list_lock); + return NULL; +} + +static int +thermal_add_hwmon_sysfs(struct thermal_zone_device *tz) +{ + struct thermal_hwmon_device *hwmon; + int new_hwmon_device = 1; + int result; + + hwmon = thermal_hwmon_lookup_by_type(tz); + if (hwmon) { + new_hwmon_device = 0; + goto register_sys_interface; + } + hwmon = kzalloc(sizeof(struct thermal_hwmon_device), GFP_KERNEL); if (!hwmon) return -ENOMEM; -- 2.39.5