3 files changed, 7 insertions, 5 deletions

diff --git a/block/blk-merge.c b/block/blk-merge.c
index ba99351c0f58..b3ac40aef46b 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -99,16 +99,17 @@ void blk_recount_segments(struct request_queue *q, struct bio *bio)
 {
         bool no_sg_merge = !!test_bit(QUEUE_FLAG_NO_SG_MERGE,
                         &q->queue_flags);
+        bool merge_not_need = bio->bi_vcnt < queue_max_segments(q);
 
         if (no_sg_merge && !bio_flagged(bio, BIO_CLONED) &&
-                        bio->bi_vcnt < queue_max_segments(q))
+                        merge_not_need)
                 bio->bi_phys_segments = bio->bi_vcnt;
         else {
                 struct bio *nxt = bio->bi_next;
 
                 bio->bi_next = NULL;
                 bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio,
-                                no_sg_merge);
+                                no_sg_merge && merge_not_need);
                 bio->bi_next = nxt;
         }
 
diff --git a/block/elevator.c b/block/elevator.c
index 24c28b659bb3..afa3b037a17c 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -229,7 +229,9 @@ int elevator_init(struct request_queue *q, char *name)
         }
 
         err = e->ops.elevator_init_fn(q, e);
-        return 0;
+        if (err)
+                elevator_put(e);
+        return err;
 }
 EXPORT_SYMBOL(elevator_init);
 
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index abb2e65b24cc..1e053d911240 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -508,7 +508,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
 
         if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_WAIT)) {
                 err = DRIVER_ERROR << 24;
-                goto out;
+                goto error;
         }
 
         memset(sense, 0, sizeof(sense));
@@ -517,7 +517,6 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
 
         blk_execute_rq(q, disk, rq, 0);
 
-out:
         err = rq->errors & 0xff;        /* only 8 bit SCSI status */
         if (err) {
                 if (rq->sense_len && rq->sense) {