1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index a368db2431a..a0b225eb4ac 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -624,7 +624,7 @@ int md_raid1_congested(struct mddev *mddev, int bits)
                 return 1;
 
         rcu_read_lock();
-        for (i = 0; i < conf->raid_disks; i++) {
+        for (i = 0; i < conf->raid_disks * 2; i++) {
                 struct md_rdev *rdev = rcu_dereference(conf->mirrors[i].rdev);
                 if (rdev && !test_bit(Faulty, &rdev->flags)) {
                         struct request_queue *q = bdev_get_queue(rdev->bdev);