md-cluster: correct the num for comparison

Since the node num of md-cluster is from zero, and
cinfo->slot_number represents the slot num of dlm,
no need to check for equality.

Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: NeilBrown <neilb@suse.de>

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index ae8bb54..10c44a3 100644 (file)
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -612,9 +612,9 @@ 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);
+       if (nodes < cinfo->slot_number) {
+               pr_err("md-cluster: Slot allotted(%d) is greater than available slots(%d).",
+                       cinfo->slot_number, nodes);
                ret = -ERANGE;
                goto err;
        }