From 4d7b38b7d944a79da3793b6c92d38682f3905ac9 Mon Sep 17 00:00:00 2001
From: Hannes Reinecke <hare@suse.de>
Date: Wed, 28 Mar 2012 18:41:25 +0100
Subject: dm: clear bi_end_io on remapping failure

As a precaution, set bi_end_io to NULL when failing to remap.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---
 drivers/md/dm.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'drivers/md/dm.c')

diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index b89c548..e24143c 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1016,6 +1016,7 @@ static void __map_bio(struct dm_target *ti, struct bio *clone,
 		/*
 		 * Store bio_set for cleanup.
 		 */
+		clone->bi_end_io = NULL;
 		clone->bi_private = md->bs;
 		bio_put(clone);
 		free_tio(md, tio);
-- 
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