1 files changed, 1 insertions, 1 deletions

diff --git a/block/blk-merge.c b/block/blk-merge.c
index fc1ff3b1ea1f..fd3fee81c23c 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -592,7 +592,7 @@ bool blk_rq_merge_ok(struct request *rq, struct bio *bio)
         if (q->queue_flags & (1 << QUEUE_FLAG_SG_GAPS)) {
                 struct bio_vec *bprev;
 
-                bprev = &rq->biotail->bi_io_vec[bio->bi_vcnt - 1];
+                bprev = &rq->biotail->bi_io_vec[rq->biotail->bi_vcnt - 1];
                 if (bvec_gap_to_prev(bprev, bio->bi_io_vec[0].bv_offset))
                         return false;
         }