The patch titled
leds: make sure led->trigger is valid before calling trigger->activate
has been added to the -mm tree. Its filename is
leds-make-sure-led-trigger-is-valid-before-calling-trigger-activate.patch
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------------------------------------------------------
Subject: leds: make sure led->trigger is valid before calling trigger->activate
From: Dmitry Baryshkov <dbaryshkov@xxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dbaryshkov@xxxxxxxxx>
Cc: Richard Purdie <rpurdie@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/leds/led-triggers.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN drivers/leds/led-triggers.c~leds-make-sure-led-trigger-is-valid-before-calling-trigger-activate drivers/leds/led-triggers.c
--- a/drivers/leds/led-triggers.c~leds-make-sure-led-trigger-is-valid-before-calling-trigger-activate
+++ a/drivers/leds/led-triggers.c
@@ -111,16 +111,17 @@ void led_trigger_set(struct led_classdev
flags);
if (led_cdev->trigger->deactivate)
led_cdev->trigger->deactivate(led_cdev);
+ led_cdev->trigger = NULL;
led_set_brightness(led_cdev, LED_OFF);
}
if (trigger) {
write_lock_irqsave(&trigger->leddev_list_lock, flags);
list_add_tail(&led_cdev->trig_list, &trigger->led_cdevs);
write_unlock_irqrestore(&trigger->leddev_list_lock, flags);
+ led_cdev->trigger = trigger;
if (trigger->activate)
trigger->activate(led_cdev);
}
- led_cdev->trigger = trigger;
}
EXPORT_SYMBOL_GPL(led_trigger_set);
_
Patches currently in -mm which might be from dbaryshkov@xxxxxxxxx are
leds-make-sure-led-trigger-is-valid-before-calling-trigger-activate.patch
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