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author | Antony Pavlov <antonynpavlov@gmail.com> | 2014-07-30 21:34:34 +0400 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-31 08:03:01 +0200 |
commit | e66190f4f70c0f8e63b6499091e20038777a269a (patch) | |
tree | 1688e5e08f217fc14751a9a1ea42555b79e26bb2 /drivers/led | |
parent | 45efb46dbbee1f354fc672ba586197fb1c6b1316 (diff) | |
download | barebox-e66190f4f70c0f8e63b6499091e20038777a269a.tar.gz barebox-e66190f4f70c0f8e63b6499091e20038777a269a.tar.xz |
led: triggers: fix crash on disabling "default-on" trigger
Here is a sample crash log on Ritmix RZX-50:
barebox:/ trigger
0: panic
1: heartbeat
2: net rx
3: net tx
4: net
5: default on (led 0)
barebox:/ trigger -d 5
...
Ooops, TLB miss on store!
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/led')
-rw-r--r-- | drivers/led/led-triggers.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/led/led-triggers.c b/drivers/led/led-triggers.c index 5eaf732764..1a5a09fe00 100644 --- a/drivers/led/led-triggers.c +++ b/drivers/led/led-triggers.c @@ -124,7 +124,7 @@ int led_set_trigger(enum led_trigger trigger, struct led *led) triggers[trigger].led = led; - if (trigger == LED_TRIGGER_DEFAULT_ON) + if (led && trigger == LED_TRIGGER_DEFAULT_ON) led_set(triggers[trigger].led, triggers[trigger].led->max_value); return 0; |