[PATCH] dm: zero out bi_end_io on remapping failure

[Hannes Reinecke <hare@suse.de>]

To be symmetric we should be setting bi_end_io to NULL when failing
to remap.

Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 drivers/md/dm.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

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);
-- 
1.6.0.2