1 files changed, 12 insertions, 9 deletions

diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 40e715531aa6..c8dac7305244 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -894,13 +894,6 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
 
 	bio_list_init(&lo->lo_bio_list);
 
-	/*
-	 * set queue make_request_fn, and add limits based on lower level
-	 * device
-	 */
-	blk_queue_make_request(lo->lo_queue, loop_make_request);
-	lo->lo_queue->queuedata = lo;
-
 	if (!(lo_flags & LO_FLAGS_READ_ONLY) && file->f_op->fsync)
 		blk_queue_flush(lo->lo_queue, REQ_FLUSH);
 
@@ -1618,6 +1611,8 @@ static int loop_add(struct loop_device **l, int i)
 	if (!lo)
 		goto out;
 
+	lo->lo_state = Lo_unbound;
+
 	/* allocate id, if @id >= 0, we're requesting that specific id */
 	if (i >= 0) {
 		err = idr_alloc(&loop_index_idr, lo, i, i + 1, GFP_KERNEL);
@@ -1633,7 +1628,13 @@ static int loop_add(struct loop_device **l, int i)
 	err = -ENOMEM;
 	lo->lo_queue = blk_alloc_queue(GFP_KERNEL);
 	if (!lo->lo_queue)
-		goto out_free_dev;
+		goto out_free_idr;
+
+	/*
+	 * set queue make_request_fn
+	 */
+	blk_queue_make_request(lo->lo_queue, loop_make_request);
+	lo->lo_queue->queuedata = lo;
 
 	disk = lo->lo_disk = alloc_disk(1 << part_shift);
 	if (!disk)
@@ -1678,6 +1679,8 @@ static int loop_add(struct loop_device **l, int i)
 
 out_free_queue:
 	blk_cleanup_queue(lo->lo_queue);
+out_free_idr:
+	idr_remove(&loop_index_idr, i);
 out_free_dev:
 	kfree(lo);
 out:
@@ -1741,7 +1744,7 @@ static struct kobject *loop_probe(dev_t dev, int *part, void *data)
 	if (err < 0)
 		err = loop_add(&lo, MINOR(dev) >> part_shift);
 	if (err < 0)
-		kobj = ERR_PTR(err);
+		kobj = NULL;
 	else
 		kobj = get_disk(lo->lo_disk);
 	mutex_unlock(&loop_index_mutex);