[PATCH X 4/6] md/raid0: Fix an error message in raid0_make_request()

[Stefan Bader]

From: Dan Carpenter <dan.carpenter at oracle.com>

BugLink: https://bugs.launchpad.net/bugs/1850540

[ Upstream commit e3fc3f3d0943b126f76b8533960e4168412d9e5a ]

The first argument to WARN() is supposed to be a condition.  The
original code will just print the mdname() instead of the full warning
message.

Fixes: c84a1372df92 ("md/raid0: avoid RAID0 data corruption due to layout confusion.")
Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
Signed-off-by: Song Liu <songliubraving at fb.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>

Signed-off-by: dann frazier <dann.frazier at canonical.com>
(backported from bionic/18.04 submission into xenial/16.04)
[smb: minor contextual adjustments]
Signed-off-by: Stefan Bader <stefan.bader at canonical.com>
---
 drivers/md/raid0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 2e90390d4f2a..8636d9d2ef8e 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -513,7 +513,7 @@ static void raid0_make_request(struct mddev *mddev, struct bio *bio)
 			tmp_dev = map_sector(mddev, zone, sector, &sector);
 			break;
 		default:
-			WARN("md/raid0:%s: Invalid layout\n", mdname(mddev));
+			WARN(1, "md/raid0:%s: Invalid layout\n", mdname(mddev));
 			bio_io_error(bio);
 			return true;
 		}
-- 
2.17.1