diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 27a00ce2e101..288ff0735875 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -2640,7 +2640,7 @@ int rdma_set_ack_timeout(struct rdma_cm_id *id, u8 timeout)
 {
 	struct rdma_id_private *id_priv;
 
-	if (id->qp_type != IB_QPT_RC)
+	if (id->qp_type != IB_QPT_RC && id->qp_type != IB_QPT_XRC_INI)
 		return -EINVAL;
 
 	id_priv = container_of(id, struct rdma_id_private, id);