[PATCH 3.16.y-ckt 144/254] rbd: avoid format-security warning inside alloc_workqueue()

[Luis Henriques]

3.16.7-ckt2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ilya Dryomov <ilya.dryomov at inktank.com>

commit 58d1362b50dc87ebf18cd137e7a879fd99b7e721 upstream.

drivers/block/rbd.c: In function ‘rbd_dev_device_setup’:
drivers/block/rbd.c:5090:19: warning: format not a string literal and no format arguments [-Wformat-security]

Reported-by: kbuild test robot <fengguang.wu at intel.com>
Signed-off-by: Ilya Dryomov <ilya.dryomov at inktank.com>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/block/rbd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index a15500662f4c..453afd257530 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -5103,7 +5103,7 @@ static int rbd_dev_device_setup(struct rbd_device *rbd_dev)
 	set_capacity(rbd_dev->disk, rbd_dev->mapping.size / SECTOR_SIZE);
 	set_disk_ro(rbd_dev->disk, rbd_dev->mapping.read_only);
 
-	rbd_dev->rq_wq = alloc_workqueue(rbd_dev->disk->disk_name, 0, 0);
+	rbd_dev->rq_wq = alloc_workqueue("%s", 0, 0, rbd_dev->disk->disk_name);
 	if (!rbd_dev->rq_wq)
 		goto err_out_mapping;
 
-- 
2.1.0