From: Josef Bacik <jbacik@fb.com>
Date: Wed, 15 Feb 2017 21:49:48 +0000 (-0500)
Subject: nbd: cleanup workqueue on error properly
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=6330a2d0b465527d621a9d95cad6b2fc0a959f13;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

nbd: cleanup workqueue on error properly

If we fail to register the blockdev we need to make sure to destroy the
recv workqueue.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index cdbeb309a105..0bf2b21a62cb 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -1121,8 +1121,10 @@ static int __init nbd_init(void)
 	if (!recv_workqueue)
 		return -ENOMEM;
 
-	if (register_blkdev(NBD_MAJOR, "nbd"))
+	if (register_blkdev(NBD_MAJOR, "nbd")) {
+		destroy_workqueue(recv_workqueue);
 		return -EIO;
+	}
 
 	nbd_dbg_init();