diff --git a/[refs] b/[refs]
index 99058b841a8b..246c002f5737 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 23c15c21d34a4b4b4d7b9a95ce498991c5339c77
+refs/heads/master: 59b0ed121297b57abb2352bdc8313959e7cb5635
diff --git a/trunk/drivers/infiniband/hw/mlx4/qp.c b/trunk/drivers/infiniband/hw/mlx4/qp.c
index bd28af5753d1..5706f988e2ec 100644
--- a/trunk/drivers/infiniband/hw/mlx4/qp.c
+++ b/trunk/drivers/infiniband/hw/mlx4/qp.c
@@ -1238,7 +1238,7 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 		 */
 		wmb();
 
-		if (wr->opcode < 0 || wr->opcode > ARRAY_SIZE(mlx4_ib_opcode)) {
+		if (wr->opcode < 0 || wr->opcode >= ARRAY_SIZE(mlx4_ib_opcode)) {
 			err = -EINVAL;
 			goto out;
 		}