diff --git a/block/blk-mq.c b/block/blk-mq.c
index 270cfd9fc6b0c1f197cd673e29179ac4ec040c3d..abdf44736e082cccb43d7fa506031164c7a8fa5b 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -3273,19 +3273,21 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
 		      int (*bio_ctr)(struct bio *, struct bio *, void *),
 		      void *data)
 {
-	struct bio *bio, *bio_src;
+	struct bio *bio_src;
 
 	if (!bs)
 		bs = &fs_bio_set;
 
 	__rq_for_each_bio(bio_src, rq_src) {
-		bio = bio_alloc_clone(rq->q->disk->part0, bio_src, gfp_mask,
-				      bs);
+		struct bio *bio	 = bio_alloc_clone(rq->q->disk->part0, bio_src,
+					gfp_mask, bs);
 		if (!bio)
 			goto free_and_out;
 
-		if (bio_ctr && bio_ctr(bio, bio_src, data))
+		if (bio_ctr && bio_ctr(bio, bio_src, data)) {
+			bio_put(bio);
 			goto free_and_out;
+		}
 
 		if (rq->bio) {
 			rq->biotail->bi_next = bio;
@@ -3293,7 +3295,6 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
 		} else {
 			rq->bio = rq->biotail = bio;
 		}
-		bio = NULL;
 	}
 
 	/* Copy attributes of the original request to the clone request. */
@@ -3311,8 +3312,6 @@ int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
 	return 0;
 
 free_and_out:
-	if (bio)
-		bio_put(bio);
 	blk_rq_unprep_clone(rq);
 
 	return -ENOMEM;