[PATCH] null_blk: remove an unused variable assignment in null_add_dev

[Christoph Hellwig]

Fix up the recent blk_alloc_disk conversion.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/block/null_blk/main.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index 3b320b005aa8..d734e9ee1546 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -1849,7 +1849,6 @@ static int null_add_dev(struct nullb_device *dev)
 		if (!null_setup_fault())
 			goto out_cleanup_tags;
 
-		rv = -ENOMEM;
 		nullb->tag_set->timeout = 5 * HZ;
 		nullb->disk = blk_mq_alloc_disk(nullb->tag_set, nullb);
 		if (IS_ERR(nullb->disk)) {
-- 
2.30.2