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>

diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 6f75887..a228c20 100644 (file)
--- 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));
 }