1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/s390/block/scm_blk_cluster.c b/drivers/s390/block/scm_blk_cluster.c
index 09db45296eed..7497ddde2dd6 100644
--- a/drivers/s390/block/scm_blk_cluster.c
+++ b/drivers/s390/block/scm_blk_cluster.c
@@ -92,7 +92,7 @@ bool scm_reserve_cluster(struct scm_request *scmrq)
                         add = 0;
                         continue;
                 }
-                for (pos = 0; pos <= iter->aob->request.msb_count; pos++) {
+                for (pos = 0; pos < iter->aob->request.msb_count; pos++) {
                         if (clusters_intersect(req, iter->request[pos]) &&
                             (rq_data_dir(req) == WRITE ||
                              rq_data_dir(iter->request[pos]) == WRITE)) {