[PATCH 13/18] ledtrig-blkdev: Add function to disassociate a device from all LEDs

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Called when block device is being removed

Called via __ledtrig_blkdev_disk_cleanup function pointer from
ledtrig_blkdev_disk_cleanup() in ledtrig-blkdev-core.c

Signed-off-by: Ian Pilcher <arequipeno@xxxxxxxxx>
---
 drivers/leds/trigger/ledtrig-blkdev.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/drivers/leds/trigger/ledtrig-blkdev.c b/drivers/leds/trigger/ledtrig-blkdev.c
index 7edbc48050a5..1be9de431c08 100644
--- a/drivers/leds/trigger/ledtrig-blkdev.c
+++ b/drivers/leds/trigger/ledtrig-blkdev.c
@@ -465,3 +465,20 @@ static void blkdev_disk_delete(struct ledtrig_blkdev_led *const led,
 exit_unlock:
 	mutex_unlock(&ledtrig_blkdev_mutex);
 }
+
+
+/*
+ *
+ *	Disassociate all LEDs from a block device (because it's going away)
+ *
+ */
+
+static void blkdev_disk_cleanup(struct gendisk *const gd)
+{
+	struct ledtrig_blkdev_link *link;
+	struct hlist_node *next;
+
+	hlist_for_each_entry_safe(link, next,
+				  &gd->ledtrig->leds, disk_leds_node)
+		blkdev_disk_del_locked(link->led, link, gd->ledtrig);
+}
-- 
2.31.1




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