blocking_notifier_call_chain(&wf_client_list, event, param);
}
-int wf_critical_overtemp(void)
+static int wf_critical_overtemp(void)
{
static char * critical_overtemp_path = "/sbin/critical_overtemp";
char *argv[] = { critical_overtemp_path, NULL };
return call_usermodehelper(critical_overtemp_path,
argv, envp, UMH_WAIT_EXEC);
}
-EXPORT_SYMBOL_GPL(wf_critical_overtemp);
static int wf_thread_func(void *data)
{
}
EXPORT_SYMBOL_GPL(wf_unregister_control);
-struct wf_control * wf_find_control(const char *name)
-{
- struct wf_control *ct;
-
- mutex_lock(&wf_lock);
- list_for_each_entry(ct, &wf_controls, link) {
- if (!strcmp(ct->name, name)) {
- if (wf_get_control(ct))
- ct = NULL;
- mutex_unlock(&wf_lock);
- return ct;
- }
- }
- mutex_unlock(&wf_lock);
- return NULL;
-}
-EXPORT_SYMBOL_GPL(wf_find_control);
-
int wf_get_control(struct wf_control *ct)
{
if (!try_module_get(ct->ops->owner))
}
EXPORT_SYMBOL_GPL(wf_unregister_sensor);
-struct wf_sensor * wf_find_sensor(const char *name)
-{
- struct wf_sensor *sr;
-
- mutex_lock(&wf_lock);
- list_for_each_entry(sr, &wf_sensors, link) {
- if (!strcmp(sr->name, name)) {
- if (wf_get_sensor(sr))
- sr = NULL;
- mutex_unlock(&wf_lock);
- return sr;
- }
- }
- mutex_unlock(&wf_lock);
- return NULL;
-}
-EXPORT_SYMBOL_GPL(wf_find_sensor);
-
int wf_get_sensor(struct wf_sensor *sr)
{
if (!try_module_get(sr->ops->owner))
{
mutex_lock(&wf_lock);
blocking_notifier_chain_unregister(&wf_client_list, nb);
- wf_client_count++;
+ wf_client_count--;
if (wf_client_count == 0)
wf_stop_thread();
mutex_unlock(&wf_lock);
}
EXPORT_SYMBOL_GPL(wf_clear_overtemp);
-int wf_is_overtemp(void)
-{
- return (wf_overtemp != 0);
-}
-EXPORT_SYMBOL_GPL(wf_is_overtemp);
-
static int __init windfarm_core_init(void)
{
DBG("wf: core loaded\n");