Remove all device associations with this LED
Remove /sys/class/leds/<led>/block_devices directory
Free per-LED data structure
Signed-off-by: Ian Pilcher <arequip...@gmail.com>
---
drivers/leds/trigger/ledtrig-blkdev.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/drivers/leds/trigger/ledtrig-blkdev.c
b/drivers/leds/trigger/ledtrig-blkdev.c
index b331e3f24b04..01573c1ad855 100644
--- a/drivers/leds/trigger/ledtrig-blkdev.c
+++ b/drivers/leds/trigger/ledtrig-blkdev.c
@@ -704,3 +704,28 @@ static int blkdev_activate(struct led_classdev *const
led_dev)
exit_return:
return ret;
}
+
+
+/*
+ *
+ * Disassociate an LED from the trigger
+ *
+ */
+
+static void blkdev_deactivate(struct led_classdev *const led_dev)
+{
+ struct ledtrig_blkdev_led *const led = led_get_trigger_data(led_dev);
+ struct ledtrig_blkdev_link *link;
+ struct hlist_node *next;
+
+ mutex_lock(&ledtrig_blkdev_mutex);
+
+ hlist_for_each_entry_safe(link, next, &led->disks, led_disks_node)
+ blkdev_disk_del_locked(led, link, link->disk);
+
+ hlist_del(&led->leds_node);
+ kobject_put(led->dir);
+ kfree(led);
+
+ mutex_unlock(&ledtrig_blkdev_mutex);
+}
--
2.31.1
_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@kernelnewbies.org
https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
