diff options
Diffstat (limited to 'drivers/md/md-cluster.c')
| -rw-r--r-- | drivers/md/md-cluster.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 1f3c8f39ecb2..66700e244a40 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -196,6 +196,12 @@ static int join(struct mddev *mddev, int nodes) if (ret) goto err; wait_for_completion(&cinfo->completion); + if (nodes <= cinfo->slot_number) { + pr_err("md-cluster: Slot allotted(%d) greater than available slots(%d)", cinfo->slot_number - 1, + nodes); + ret = -ERANGE; + goto err; + } cinfo->sb_lock = lockres_init(mddev, "cmd-super", NULL, 0); if (!cinfo->sb_lock) { |