dm snapshot: remove redundant assignment in merge fn

Remove redundant bvm->bi_sector self-assignment in dm snapshot's
origin_merge().

Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 6f758870fc19..a228c20e40b3 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -2176,7 +2176,6 @@ static int origin_merge(struct dm_target *ti, struct bvec_merge_data *bvm,
                 return max_size;
 
         bvm->bi_bdev = dev->bdev;
-        bvm->bi_sector = bvm->bi_sector;
 
         return min(max_size, q->merge_bvec_fn(q, bvm, biovec));
 }