6 files changed, 13 insertions, 10 deletions

diff --git a/block/blk-core.c b/block/blk-core.c
index af7301581172..fd4749391e17 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -626,14 +626,14 @@ blk_init_allocated_queue_node(struct request_queue *q, request_fn_proc *rfn,
 }
 EXPORT_SYMBOL(blk_init_allocated_queue_node);
 
-int blk_get_queue(struct request_queue *q)
+bool blk_get_queue(struct request_queue *q)
 {
         if (likely(!blk_queue_dead(q))) {
-                kobject_get(&q->kobj);
-                return 0;
+                __blk_get_queue(q);
+                return true;
         }
 
-        return 1;
+        return false;
 }
 EXPORT_SYMBOL(blk_get_queue);
 
diff --git a/block/blk.h b/block/blk.h
index fc3c41b2fd24..8d421156fefb 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -13,6 +13,11 @@ extern struct kmem_cache *blk_requestq_cachep;
 extern struct kobj_type blk_queue_ktype;
 extern struct ida blk_queue_ida;
 
+static inline void __blk_get_queue(struct request_queue *q)
+{
+        kobject_get(&q->kobj);
+}
+
 void init_request_from_bio(struct request *req, struct bio *bio);
 void blk_rq_bio_prep(struct request_queue *q, struct request *rq,
                         struct bio *bio);
diff --git a/block/bsg.c b/block/bsg.c
index 702f1316bb8f..167d586cece6 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -769,12 +769,10 @@ static struct bsg_device *bsg_add_device(struct inode *inode,
                                          struct file *file)
 {
         struct bsg_device *bd;
-        int ret;
 #ifdef BSG_DEBUG
         unsigned char buf[32];
 #endif
-        ret = blk_get_queue(rq);
-        if (ret)
+        if (!blk_get_queue(rq))
                 return ERR_PTR(-ENXIO);
 
         bd = bsg_alloc_device();
diff --git a/block/genhd.c b/block/genhd.c
index 02e9fca80825..c958169d24f0 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -615,7 +615,7 @@ void add_disk(struct gendisk *disk)
          * Take an extra ref on queue which will be put on disk_release()
          * so that it sticks around as long as @disk is there.
          */
-        WARN_ON_ONCE(blk_get_queue(disk->queue));
+        WARN_ON_ONCE(!blk_get_queue(disk->queue));
 
         retval = sysfs_create_link(&disk_to_dev(disk)->kobj, &bdi->dev->kobj,
                                    "bdi");
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index b3c6d957fbd8..89da43f73c00 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -297,7 +297,7 @@ static struct scsi_device *scsi_alloc_sdev(struct scsi_target *starget,
                 kfree(sdev);
                 goto out;
         }
-        blk_get_queue(sdev->request_queue);
+        WARN_ON_ONCE(!blk_get_queue(sdev->request_queue));
         sdev->request_queue->queuedata = sdev;
         scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 8c8dbc4738ea..d1b6f4ed1f96 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -865,7 +865,7 @@ extern int blk_rq_map_sg(struct request_queue *, struct request *, struct scatte
 extern void blk_dump_rq_flags(struct request *, char *);
 extern long nr_blockdev_pages(void);
 
-int blk_get_queue(struct request_queue *);
+bool __must_check blk_get_queue(struct request_queue *);
 struct request_queue *blk_alloc_queue(gfp_t);
 struct request_queue *blk_alloc_queue_node(gfp_t, int);
 extern void blk_put_queue(struct request_queue *);