*
*/
-#include <linux/module.h>
+#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/spinlock.h>
down_read(&led_cdev->trigger_lock);
if (!led_cdev->trigger)
- len += sprintf(buf+len, "[none] ");
+ len += scnprintf(buf+len, PAGE_SIZE - len, "[none] ");
else
- len += sprintf(buf+len, "none ");
+ len += scnprintf(buf+len, PAGE_SIZE - len, "none ");
list_for_each_entry(trig, &trigger_list, next_trig) {
if (led_cdev->trigger && !strcmp(led_cdev->trigger->name,
trig->name))
- len += sprintf(buf+len, "[%s] ", trig->name);
+ len += scnprintf(buf+len, PAGE_SIZE - len, "[%s] ",
+ trig->name);
else
- len += sprintf(buf+len, "%s ", trig->name);
+ len += scnprintf(buf+len, PAGE_SIZE - len, "%s ",
+ trig->name);
}
up_read(&led_cdev->trigger_lock);
up_read(&triggers_list_lock);
- len += sprintf(len+buf, "\n");
+ len += scnprintf(len+buf, PAGE_SIZE - len, "\n");
return len;
}
EXPORT_SYMBOL_GPL(led_trigger_show);
char *envp[2];
const char *name;
+ if (!led_cdev->trigger && !trig)
+ return;
+
name = trig ? trig->name : "none";
event = kasprintf(GFP_KERNEL, "TRIGGER=%s", name);
if (event) {
envp[0] = event;
envp[1] = NULL;
- kobject_uevent_env(&led_cdev->dev->kobj, KOBJ_CHANGE, envp);
+ if (kobject_uevent_env(&led_cdev->dev->kobj, KOBJ_CHANGE, envp))
+ dev_err(led_cdev->dev,
+ "%s: Error sending uevent\n", __func__);
kfree(event);
}
}
kfree(trig);
}
EXPORT_SYMBOL_GPL(led_trigger_unregister_simple);
-
-MODULE_AUTHOR("Richard Purdie");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("LED Triggers Core");