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authorAntony Pavlov <antonynpavlov@gmail.com>2014-07-30 21:34:34 +0400
committerSascha Hauer <s.hauer@pengutronix.de>2014-07-31 08:03:01 +0200
commite66190f4f70c0f8e63b6499091e20038777a269a (patch)
tree1688e5e08f217fc14751a9a1ea42555b79e26bb2 /drivers/led
parent45efb46dbbee1f354fc672ba586197fb1c6b1316 (diff)
downloadbarebox-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.c2
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;