A halted kernel should not show a heartbeat. Signed-off-by: Alexander Holler <holler@xxxxxxxxxxxxx> --- drivers/leds/ledtrig-heartbeat.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/drivers/leds/ledtrig-heartbeat.c b/drivers/leds/ledtrig-heartbeat.c index 759c0bb..76189b0 100644 --- a/drivers/leds/ledtrig-heartbeat.c +++ b/drivers/leds/ledtrig-heartbeat.c @@ -18,6 +18,7 @@ #include <linux/timer.h> #include <linux/sched.h> #include <linux/leds.h> +#include <linux/reboot.h> #include "leds.h" struct heartbeat_trig_data { @@ -101,13 +102,26 @@ static struct led_trigger heartbeat_led_trigger = { .deactivate = heartbeat_trig_deactivate, }; +static int heartbeat_reboot_notifier(struct notifier_block *nb, + unsigned long code, void *unused) +{ + led_trigger_unregister(&heartbeat_led_trigger); + return NOTIFY_DONE; +} + +static struct notifier_block heartbeat_reboot_nb = { + .notifier_call = heartbeat_reboot_notifier, +}; + static int __init heartbeat_trig_init(void) { + register_reboot_notifier(&heartbeat_reboot_nb); return led_trigger_register(&heartbeat_led_trigger); } static void __exit heartbeat_trig_exit(void) { + unregister_reboot_notifier(&heartbeat_reboot_nb); led_trigger_unregister(&heartbeat_led_trigger); } -- 1.7.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/