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leds: triggers: return error if invalid trigger name is provided via sysfs
[deliverable/linux.git]
/
drivers
/
leds
/
led-triggers.c
diff --git
a/drivers/leds/led-triggers.c
b/drivers/leds/led-triggers.c
index 55fa65e1ae030dc2840d7d53e74975f4c6eaf311..c92702a684cedeaad3d2932772e62cf971c98037 100644
(file)
--- a/
drivers/leds/led-triggers.c
+++ b/
drivers/leds/led-triggers.c
@@
-60,6
+60,8
@@
ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
goto unlock;
}
}
+ /* we come here only if buf matches no trigger */
+ ret = -EINVAL;
up_read(&triggers_list_lock);
unlock:
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