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path: root/drivers/leds/trigger/ledtrig-panic.c
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Diffstat (limited to 'drivers/leds/trigger/ledtrig-panic.c')
-rw-r--r--drivers/leds/trigger/ledtrig-panic.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/leds/trigger/ledtrig-panic.c b/drivers/leds/trigger/ledtrig-panic.c
index 64abf2e91..5a6b21bfe 100644
--- a/drivers/leds/trigger/ledtrig-panic.c
+++ b/drivers/leds/trigger/ledtrig-panic.c
@@ -64,10 +64,13 @@ static long led_panic_blink(int state)
static int __init ledtrig_panic_init(void)
{
+ led_trigger_register_simple("panic", &trigger);
+ if (!trigger)
+ return -ENOMEM;
+
atomic_notifier_chain_register(&panic_notifier_list,
&led_trigger_panic_nb);
- led_trigger_register_simple("panic", &trigger);
panic_blink = led_panic_blink;
return 0;
}