md: raid5 run(): Fix max_degraded for raid level 4.

raid4 allows only one failed disk.

Signed-off-by: Andre Noll <maan@systemlinux.org>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 1aebd3ef80b7..e1ee181b79bb 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4331,7 +4331,7 @@ static int run(mddev_t *mddev)
                  */
                 sector_t here_new, here_old;
                 int old_disks;
-                int max_degraded = (mddev->level == 5 ? 1 : 2);
+                int max_degraded = (mddev->level == 6 ? 2 : 1);
 
                 if (mddev->new_level != mddev->level ||
                     mddev->new_layout != mddev->layout ||