diff options
| -rw-r--r-- | drivers/md/linear.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/md/linear.c b/drivers/md/linear.c index fa211d80fc0a..92c64d162a92 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -244,7 +244,9 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev) if (!newconf) return -ENOMEM; - oldconf = rcu_dereference(mddev->private); + oldconf = rcu_dereference_protected(mddev->private, + lockdep_is_held( + &mddev->reconfig_mutex)); mddev->raid_disks++; rcu_assign_pointer(mddev->private, newconf); md_set_array_sectors(mddev, linear_size(mddev, 0, 0)); @@ -256,7 +258,10 @@ static int linear_add(struct mddev *mddev, struct md_rdev *rdev) static int linear_stop (struct mddev *mddev) { - struct linear_conf *conf = mddev->private; + struct linear_conf *conf = + rcu_dereference_protected(mddev->private, + lockdep_is_held( + &mddev->reconfig_mutex)); /* * We do not require rcu protection here since |